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Journal file
European Polygraph
185 peer-reviewed polygraph studies · 2007–2025
Authors in European Polygraph [131]
Research topics
All studies [185]
Every peer-reviewed study from European Polygraph in our database, ordered newest first.
Lithuanian govt in favor of polygraph tests for risky aliens, company business reps
Lithuania's Defence Ministry proposed allowing polygraph testing for three new categories: private company employees with classified access, candidates for intelligence…
'Soviet Polygraph': Metamorphoses and Historical Facts
Soviet polygraph development was driven by political pragmatism rather than scientific openness, with the secret KGB Laboratory No. 30 serving…
Recognition of emotions by analysing facial expressions with FaceReader (Noldus) vs detection of deception by polygraph examination: A pilot study
The study explored the integration of facial expression analysis technology with traditional polygraph examination to identify emotions accompanying deceptive responses…
You really don't recognise him? The eye-tracker as a forensic tool for concealed knowledge detection
The study explored whether eye-tracking combined with deep learning can objectively determine recognition of individuals even when examinees deny familiarity,…
'Believe your chart but don't ignore your nose'
The study concludes that examiners should engage their intuition as accumulated subconscious information gained through experience to supplement numerical scoring,…
The Legal Status of the Polygraph in Germany
German courts have maintained a seven-decade legal barrier against polygraph use in criminal proceedings, with reasoning evolving from constitutional objections…
Investigative Interviewing: Priming the Interview Context
The paper identifies a significant gap in empirical evidence supporting priming effectiveness in real-world forensic contexts, despite its intuitive appeal…
Memory Distortions, Confabulation, and Their Impact on Polygraph Examinations
Confabulated memories can produce autonomic responses similar to genuine memories, creating false-positive polygraph results because traditional methods cannot distinguish between…
Law on Using Polygraph in Lithuania – Latest Developments and its Impact
Lithuania's Defense Ministry proposed expanding polygraph use beyond traditional law enforcement to include private sector security screening and foreign national…
Scientific Interrogation: The Strategic Use of Evidence (SUE) Technique
The SUE technique represents a paradigm shift toward information-gathering approaches that optimize accuracy in credibility assessment and investigative efficiency compared…
Behind the Scenes of a Protocoled Polygraph Test
The paper identifies critical gaps in protocoled polygraph practice where rigid adherence to standardized procedures may compromise examination effectiveness and…
Polygraph Examination in Lithuania: History, Legal Framework, and Practice
Lithuania represents a unique case in continental Europe by establishing comprehensive legal frameworks for polygraph use since 1992, primarily employing…
From Ancient Oracles to Modern Techniques: The Evolution of Deception Detection and the Benefits of Investigative Interviewing
The research documents how early deception detection methods, though rooted in myth and coercion, established theoretical foundations for modern techniques,…
A Handful of Remarks on the Terminology Reference for the Science of Psychophysiological Detection of Deception
The polygraph field has struggled with inconsistent terminology since its inception, with devices operating under various names including 'cardio-pneumo psychogram,'…
A Letter to the Editor Regarding the APA's Terminology Reference for the Science of Psychophysiological Detection of Deception
The letter presents specific critiques of terminology standards proposed by the APA for polygraph practice and research.
A Summary of the American Polygraph Association’s 57 th Annual Seminar
The seminar drew over 850 participants from more than 30 countries and received overwhelmingly positive feedback for its diverse training…
The Numerical Scoring Analysis Predecessors
Numerical scoring analysis was more evolutionary than revolutionary, with Backster likely adapting Richard Arther's check-mark system by replacing check-marks with…
Investigating Feminicide in Mexico: The Conversation Management Approach proposal
The paper provides a detailed case-study framework demonstrating how the Conversation Management technique can be applied to feminicide investigations through…
The Offender Recognizes the Victim – About the Advantages of Using the Visual Version of Polygraph Test in Serious Criminal Case
The visual CIT successfully proved the suspect knew the victim despite denials, with the physiological arousal to the victim's photograph…
Terminology Reference for the Science of Psychophysiological Detection
The reference standardizes terminology across the polygraph profession, providing authoritative definitions grounded in peer-reviewed literature with 94 scientific references, facilitating…
The Primacy Position of the Comparison Question
The study provides analysis of how primacy positioning influences comparison question effectiveness in polygraph examinations.
Report from the 56 th Seminar of the American Polygraph Association (Orlando, Florida, 28 August – 3 September 2022)
The report provides a comprehensive summary of multiple research presentations, technical workshops, policy discussions, and professional updates from the premier…
Polygraph Testing and Social Intolerance: A Warning to Examiners Outside of the United States
Testing applicants for social intolerance represents a dangerous expansion from behavioral screening to thought-screening that could encourage efforts to prohibit…
Should Blind Evaluation of Polygraph Charts Be a Mandatory Procedure in Evidentiary Examinations?
Empirical research demonstrates that prior information about examinees influences polygraph chart interpretation through confirmation bias. The paper advocates for mandatory…
A Survey of the Views of Catholic Safeguarding Coordinators about the Inclusion of the Polygraph in Psychological Risk Assessments of Clerics
Safeguarding coordinators' views on polygraph utility were mixed, with those having direct experience demonstrating clearer perspectives. Coordinators identified need for…
Leading Interview and Interrogation Techniques: Focus on Cognitive Interview
The cognitive interview is scientifically validated as one of the best tools to obtain court-admissible information and can be applied…
What Do Polygraphers–Practitioners Expect from Science?
Polygraph practitioners demonstrated a strong preference for familiar techniques over scientific innovations, with minimal interest expressed in neurophysiological detection methods…
Thoughts on the Inconclusive Zone in Comparison Question Test (CQT)
Inconclusive results indicate CQT method failure to identify the subject's state of mind rather than reflecting actual truthfulness, requiring fundamental…
The Effect of Training on the Effectiveness of Deception Detection
The study examined whether training improves deception detection effectiveness beyond the typical 10% improvement found in previous research, focusing specifically…
Attempt at Detection of Deception Based on Records of Physiological Reactions Remotely Captured with FaceReader Software: Part 1
The study represents a pioneering attempt to validate automated facial expression analysis for deception detection, though specific diagnostic performance results…
History of Polygraph Examination by Jan Widacki, Polskie Towarzystwo Kryminalistyczne, Warszawa 2021
The book is recognized as one of the most complete, scholarly, and well-sourced works on polygraph history, providing richer documentation…
Aleksandr Motlyach: Poligrafologia (Polygraphy) , Izdatelstvo Osvita Ukrainy, Kyiv 2021, pp. 568 (in Russian)
The textbook provides comprehensive Russian-language coverage of polygraph theory and practice tailored to Ukrainian legal and professional contexts, supporting the…
Evidence Based Practice Integration into Polygraph Practice: A Suggested Paradigm
The paper argues that the polygraph field's movement toward rigid standardization may have overcorrected, potentially sacrificing necessary clinical flexibility for…
Directed Lie – The Correct or the Easy Way?
The study found that 28.6% of directed lie questions failed to provoke physiological reactions during stimulation tests, and three examinees…
The Use of Narcoanalysis by Polish Counterintelligence in the 1930s
Polish military intelligence routinely used narcoanalysis for counterintelligence interrogations in the 1930s, making it among the first systematic governmental applications…
From a Rigid Cover to an Elastic One Via a Blanket too Short: An Adaptive Polygraph Approach
The paper advocates for adaptive polygraph approaches that tailor protocols to specific case circumstances and examinee characteristics, similar to personalized…
On the Influence of Sleep Deprivation on the Results of Polygraph Testing
Sleep deprivation of 24 hours did not significantly reduce polygraph detection accuracy in a concealed information test, and energy drink…
John Augustus Larson (1892–1965)
Larson became likely the first American policeman with a doctoral degree and created the foundational technology that launched a new…
The Centennial Introspection Project: 100 Years of Polygraph Practice
The polygraph profession has undergone a significant shift from intuitive-based practice toward evidence-based practice over its first century of development.
A Hundred Years of Polygraphy: Some Primary Changes and Related Issues
Horvath identified several primary transformations that fundamentally altered the trajectory of the polygraph profession from its origins in early 20th…
Five Milestones in the History of the Polygraph
Five specific transformative events are identified as having the most profound and lasting impact on polygraph professional practice, representing critical…
Foremost Changes in Polygraph in Last 100 Years
Matte identified key transformations including the evolution from basic lie detection methods to validated testing techniques with computerized scoring systems…
Critical Changes Over the 100 Year Evolution of Polygraph Practices
The most important changes originated from the 1930 Northwestern crime laboratory and subsequent field research by John Reid and Fred…
A Half-Century of Experiences with the Polygraph
The essay chronicles the ideological shift from polygraph rejection to scientific acceptance in Eastern Europe, documents persistent challenges including inadequate…
Electrodermal Response Ratios: Scoring Against the Stronger of Two Comparison Questions in Search of an Optimal Minimum Threshold
The optimal minimum difference for scoring electrodermal responses against the stronger of two comparison questions was 30%, with a point-biserial…
Case Studies Using the Polygraph to Assist in Assessing Sexual Risk in Three Clerics
One priest failed polygraph testing and subsequently disclosed downloading hundreds of images of minors and engaging in sexual contact with…
Trying an Accused Serial Sexual Harasser for Libel in a US Civil Court
The paper provides a blueprint for collaboration between victims, polygraph experts, statisticians, and attorneys to litigate libel suits using hypothesis-testing…
Important Aspects of Polygraph Examinations of Islamic Faith People
Full text not accessible for analysis.
Polygraph: The Use of Polygraphy in the Assessment and Treatment of Sex Offenders in the UK
Polygraph testing increased disclosure rates by approximately 14-fold compared to standard supervision, with 76.5% of polygraphed offenders making disclosures versus…
Chicago: Where Polygraph Becomes a Science
Chicago became the epicenter for polygraph innovation through the convergence of academic institutions, progressive criminal justice reforms, and pioneering practitioners,…
Verbal and Non-verbal Symptoms of Deception in the Eyes of Policemen and Psychologists
The study reveals differences between police officers' and psychologists' beliefs about behavioral deception indicators, highlighting discrepancies between professional confidence and…
Chicago: Birthplace of Modern Polygraphy
Chicago served as the birthplace of modern polygraphy through the development of standardized examination techniques and professional practices. The city's…
A Polygraph-Assisted Psychological Assessment of Risk of Sexual Harm Posed by a Priest
The study demonstrates the potential utility of polygraph as an adjunct tool in comprehensive psychological risk assessments for clergy, particularly…
An urban legend called: The 7/38/55 Ratio Rule
The 7/38/55 ratio applies only to judgments of emotional attitude based on single inconsistent words, not to complex communication, factual…
Attempts at Lie Detection Based on Scientific Premises on the End of 19th Century and in the First Half of the 20th Century
Early researchers achieved notable results including Benussi's reported 97.5% accuracy using respiratory I/E ratios, Jung's successful forensic application of word…
Planting the Seeds of Polygraph's Practice: A Brief Historical Review
Modern polygraphy evolved through adaptation and refinement of existing physiological measurement devices rather than being invented from whole cloth. The…
Essentials of the Relevant Issue Gravity (RIG) Strength: A Theoretical Framework for Understanding the Comparison Question Test (CQT)
The RIG framework reframes CQT theory by emphasizing differential attention binding rather than simple threat perception, with the critical task…
First Attempts at Practical Use of Instrumental Lie Detection
Instrumental lie detection moved from first operational use in 1917 investigations to routine deployment in 15 federal agencies by the…
The Polygraph Examiner Resource Guide (Validated Polygraph Techniques and Scoring Systems)
The guide establishes that validated evidentiary techniques must demonstrate minimum 90% accuracy with inconclusive rates not exceeding 20%, while providing…
James Q. Murdoch: How to Pass a Polygraph, San Bernardino 2018, 23 pp.
The review documents a commercially available countermeasure manual that provides step-by-step instructions on controlling physiological responses, managing anxiety, and employing…
Differences in the Quality of the Photoplethysmograph Signal in Subjects with and without Nail Polish
The study found that nail polish affected the quality of photoplethysmograph signals in polygraph examinations, providing empirical evidence for standardizing…
The Effectiveness of fMRI Data when Combined with Polygraph Data
Combining fMRI data with all three polygraph parameters showed the greatest accuracy increase compared to fMRI alone or partial combinations,…
Does the Law Circumvent Justice from Being Served?
The study likely identifies specific ways in which legal procedures may circumvent or obstruct the proper administration of justice.
Idiosyncrasies in Chart Evaluation
The study found that individual physiological response patterns vary significantly, with EDA contributing 55% of reactions, cardio 26%, and pneumo…
Experiments in Using Face Temperature Changes as an Indicator in Instrumental Detection of Deception
Areas near the nose showed full consistency with GSR recordings, with smaller, anatomically focused regions producing clearer thermal signatures than…
Setting the Record Concerning the Differences Between the Matte Quadri-Track and the Backster Zone Comparison Techniques
The MQTZCT introduced substantive innovations distinguishing it from Backster's technique, including lower truth cut-off scores (+4 vs. ±5), Fear/Hope of…
A History Note: A Peep at the Peak Of Tension (POT) Test and other Recognition Tests
The study reveals that while Leonarde Keeler was the first to report and describe recognition testing at length, the theoretical…
Polygraph Examination in Poland: History, Law, Experimental Research, and Practice
Poland developed one of Europe's most established polygraph traditions with systematic criminal justice use since 1963 and explicit legal authorization…
Is what we wear, is who we are?
The study suggests connections between clothing choices and psychological states, though specific findings cannot be determined without access to the…
Nelson R., Handler M., Smitley B., (2017), “Practical Polygraph: FAQ on Electrodermal Activity and the Electrodermal Sensor”, APA Magazine 2017, 50(3), 60–76.
Electrodermal activity demonstrates stronger correlation with ground truth than other physiological channels in polygraph testing. The FAQ format successfully bridges…
Examinee Assessment of Distress Caused by Polygraph Examination
The study provides empirical data on examinee-reported distress levels during polygraph examinations, addressing legal and ethical concerns about the arduousness…
Polygraph Examinations of Civil Servants in Poland
The paper reviews Polish legislation authorizing polygraph use in security agencies including the Internal Security Agency, Central Anticorruption Bureau, and…
The Role of an Interpreter in Polygraph Checking
Interpreted polygraph examinations require specially trained interpreters who provide literal word-for-word translation, have no personal relationship with examinees, and understand…
Considering National, Cultural, and other Features of Kazakh-Speaking Subjects of Polygraph Examinations
The paper identifies critical cultural considerations including the importance of tribal genealogy (Zhuz system) for establishing trust, significant regional variations…
Main Features of Polygraph Examiners Training
The study identifies core elements essential for effective polygraph examiner training programs.
Polygraph Examinations in the Department of Special Psychology of the Ministry of the Interior of the Slovak Republic – a Retrospective View
The study documents the historical application and development of polygraph examinations within Slovak law enforcement agencies.
Redefining the Road for the Industry
The polygraph industry had almost entirely overlooked psychological issues in its training and publishing, creating a critical disconnect between the…
The Distribution of Useful Frequencies in Polygraph Sensor Channels
Full text unavailable for analysis.
Polygraph Examinations in the Secret Services of the People's Republic of Poland
Polish Military Internal Service experts conducted 4,626 polygraph examinations in 943 cases between 1969-1989, primarily for internal security matters including…
Report from the 10th Interdepartamental Polygraph Seminar Waplewo 2017
The seminar focused on pre-employment screening examinations and forensic polygraph applications in criminal proceedings, with presentations including case studies from…
Tuvya Amsel, Practicing Polygraph, best practice guide, CreateSpace Independent Publishing Platform, North Charleston, 2017
The handbook provides practitioner-focused guidance on polygraph best practices, emphasizing individualized approaches, ethical examination procedures, and solutions to common field…
A.Y. Molchanov, N.A. Molchanova: Atlas Poligramm (in Russian; literally: “Atlas of Polygraph Records”), IPK, Jaroslav, Russia 2007, pp. 384
The atlas provides extensive visual training materials organized by physiological channel, with over 300 real-world chart examples from Russian polygraph…
Examiner Approach and its Impact on Polygraph Results
Interrogative examiner approaches aimed at extracting confessions rather than diagnostic truth assessment significantly compromise polygraph validity and can lead to…
History of Polygraph in the Republic of Belarus
Belarus's polygraph development reflects broader patterns of Central and Eastern European polygraph evolution, with significant scientific work and practical experience…
Preparation to Experimental Testing of the Potential from Using Facial Temperature Changes Registered with an Infrared Camera in Lie Detection
The study successfully established the theoretical framework for using infrared cameras to measure facial temperature fluctuations during deception detection, identifying…
Earliest History of Kazakhstan Polygraph
Kazakhstan developed a systematic polygraph infrastructure following independence, with the first Kazakhstani completing FSB training in 2001, the nation's first…
Anticlimax Dampening Concept: It Does Exist
The examinee displayed strong reactions only to the knife threat question (R8) despite being deceptive about both the knife incident…
The Amount of Information Remembered by the Perpetrator in the Context of the Application of the Guilty Knowledge Technique in Criminal Investigation – a Pilot Study
The pilot study examined perpetrator memory for crime details, contributing to understanding of how information retention patterns affect GKT applicability.…
A Field Polygraph Examination: Science or Art?
Field polygraph examination integrates both scientific methodology through validated techniques and scoring systems, and professional artistry in areas like question…
The First Polygraph?
The term 'polygraph' was used by Napoleon Cybulski in 1895 and Leon Zbyszewski in 1914 to describe multi-channel physiological recording…
Polygraph Examinations Contaminating Factors
Multiple psychological contaminating factors can cause innocent examinees to produce inconclusive or false positive results even when standard protocols are…
Laboratory and Field Research on the Ocular-motor Deception Test
Cross-validation accuracy averaged 83.1% under standard laboratory conditions and 86.1% in field studies, with accuracy rates ranging from 78% to…
Report from the 2nd International Conference Polygraph in Kazakhstan: Contemporary Problems and Perspectives
The conference facilitated exchange between European and Eurasian polygraph communities, documented Kazakhstan's rapid adoption of polygraph technology with at least…
Report from the National Conference on the Instrumental and Non-Instrumental Methods of Detection of Deception – Current Legal Framework and the State of the Science – Rzeszów, 10–11 June 2016
The conference brought together Polish and international experts to discuss legal admissibility, scientific validation, and professional standards for both traditional…
Synopsis of articles from Polygraph 2015 (vol. 45) & 2016 (vol. 46)
The synopsis curated and summarized the most significant contributions to polygraph practice from a two-year period, covering evidence-based technique validation,…
International Society of Polygraph Examiners (ISOPE) 1st International Seminar Guatemala City Guatemala
The seminar represented a significant milestone in expanding international polygraph training opportunities to the Central American region, with participation from…
Thermal Vision as a Method of Detection of Deception: A Review of Experiences
The periorbital and nasal regions showed the highest temperature fluctuations associated with deception, with studies reporting 73.3% accuracy for thermal…
Observations from the Analysis of Searching Peak of Tension Test (SPOT) Charts
The study demonstrates practical applications of SPOT testing in locating evidence and eliciting confessions in serious criminal cases, with analysis…
Selecting the Most Optimal Conditions for the Polygraph Examination
The authors developed a stress-response model showing that examinees stressed between certain threshold points may become apathetic to external factors…
A Theoretical Analysis of the Directed Lie Question (DLC)
The analysis questions whether the DLC's adoption represents genuine scientific advancement or a problematic simplification driven by political correctness and…
Using the Polygraph Validation Test (PVT) in Solving Conflicted Polygraph Results and Confirming Deliberate Distortions by Examinees
The PVT successfully resolved all 51 cases of conflicted polygraph results and confirmed suspected deliberate distortions, with classic physiological patterns…
Charts of the 'Innocent' Subjects in the Searching Peak of Tension Tests
The study identified four major methodological limitations: extremely small sample size of innocent subjects, inability to repeat non-reactive SPOT tests,…
Decision Accuracy for the Relevant-Irrelevant Screening Test: Influence of an Algorithm on Human Decision-Making
The study addressed the poor interrater reliability problem that has plagued RI screening tests, investigating whether algorithmic support could resolve…
Discoverers of the Galvanic Skin Response
Féré and Tarchanoff independently discovered that skin electrical properties change with emotional and psychological states, using exosomatic and endosomatic methods…
fMRI as a Method of Detection of Deception: A Review of Experiences
The review provided a critical assessment of fMRI's capabilities for deception detection, highlighting methodological challenges and the gap between laboratory…
British Experiences of Polygraph Testing Sexual Offenders: an Update
Mandatory pilot data from 635 offenders showed significantly more clinically relevant disclosures compared to non-polygraphed controls. The UK implemented testing…
Value of Content-Based Deception Detection Methods
The review identified that accuracy rates can vary significantly based on calculation methods and that subjective weighting of criteria by…
Results of Polygraph Examinations: Direct or Circumstantial Evidence?
Polygraph results are classified as circumstantial evidence requiring logical inference rather than direct evidence, which helps explain judicial resistance to…
Polygraph Examination of Pregnant Women: Dilemmas and Recommendations
The study demonstrated that polygraph examination of pregnant women is feasible with appropriate accommodations, including modified break schedules and sensor…
Field Examination: Certain Phenomena Related to Electrodermal Activity
The research documented specific EDA curve shapes and formations that deviated significantly from standard response patterns in real-world testing conditions.
Polygraph examination in analysis of evidence
The paper provides a systematic framework for understanding polygraph results in relation to fundamental concepts in evidence law and forensic…
Content analysis algorithms: an innovative and accurate approach to statement veracity assessment
MASAM with decision algorithms achieved 96.87% accuracy for truthful statements and 69.23% for false statements, dramatically outperforming traditional SVA, RM,…
Detection of concealed information with the P300 potential amplitude analysis
P300 potential recording does not attain significantly higher efficiency than polygraph examinations, though results are promising. Field studies are scarce,…
Letter to the Editor: Calculating Polygraph Decision Accuracy
Specific findings cannot be determined without access to the full text of this brief editorial communication.
The Connection between Score Threshold, Rate of Inconclusives and Minimum Number of Charts Required for Decision of Truth or Deception
Higher scoring thresholds increase accuracy while maintaining manageable inconclusive rates, with +3 and +1 score thresholds demonstrating equivalent 0.0 error…
Use of Polygraph in Ukraine
Specific findings unavailable due to inability to access the full article text. The article likely documented regulatory frameworks and practical…
Comparative Review of Polygraph and Other Diagnostic Tools and Methods
Polygraph diagnostic accuracy (.88) was comparable to established medical imaging technologies including MRI, CT scan, and ultrasound. Inter-rater reliability among…
Testing a Deaf Mute Examinee in Costa Rica
The paper documents practical approaches for adapting polygraph examination procedures to accommodate examinees with hearing and speech disabilities.
Polygraph in Austria
The article provides a comprehensive survey of Austrian polygraph practices, legal regulations, and admissibility standards as of 2013, contributing important…
The Integrated Zone Comparison Technique: a Field Utility Study in a Deceptive Population
The IZCT achieved 95% overall accuracy including inconclusives and 98% accuracy excluding inconclusives, with zero false negatives, six inconclusive results…
A Realistic Perspective of the Art and Science of Forensic Psychophysiology
The paper provides professional perspective on the balance between evidence-based polygraph methodology and the role of examiner skill and experience…
Examination of Sexual Abuse Crimes
The study provides insights into polygraph examination protocols and outcomes specifically related to sexual abuse cases.
History of Polygraph Examinations in Poland
The study reveals that the term 'polygraph' was already in use in Polish physiological literature in the 19th century, and…
fMRI Lie Detection Validity and Admissibility as Evidence in Court and Applicability of the Court's Ruling to Polygraph Testing
The Sixth Circuit's rejection of fMRI lie detection in Semrau established the first appellate precedent against brain-based deception detection, emphasizing…
Effectiveness of the Integrated Zone Comparison Technique (IZCT) with Various Scoring Systems in a Mock Crime Experiment by Students
The study systematically compared three scoring approaches for the IZCT in a controlled environment where ground truth was known, addressing…
Critique of Meta-Analytic Survey of Criterion Accuracy of Validated Polygraph Techniques
The critique identified significant methodological flaws and biases in the APA meta-analysis, particularly in the evaluation and exclusion of certain…
Tests with Numbers
Mental arithmetic tasks produced observable EDA responses that increased systematically with problem difficulty, demonstrating that cognitive processing alone can generate…
The Use of the Polygraph with Sex Offenders in the UK
The study documented professional perspectives on polygraph technology at a pivotal moment when the UK was considering mandatory implementation following…
Minimum Number of Polygraph Charts Required to Reach a Conclusion of Truth or Deception in Psychophysiological Veracity Examinations
The study provided a mathematical framework for determining chart collection requirements based on reliability coefficients, questioning whether the standard two-chart…
Complementary Use of Profiling and Polygraph Method in Slovenia During the Period 1997-2004
The research documented successful integration of behavioral profiling and polygraph methods in Slovenian criminal investigations, demonstrating how profiling could inform…
The European Roots of Instrumental Lie Detection
European researchers including Mosso, Lombroso, and Benussi developed the fundamental physiological measurement instruments and theoretical understanding of emotion-related physiological changes…
Conditions and Requirements of Polygraph Examination
Identifies key procedural and environmental conditions essential for valid polygraph examination administration.
Review of Research on Detecting Deception Through Functional Magnetic Resonance Imaging (fMRI)
Laboratory studies demonstrated 76-90% accuracy in distinguishing lies from truth under controlled conditions, with consistent activation of prefrontal and anterior…
Effect of the Stimulation Test Administered Before and After the First Relevant Chart of the Control Question Test
The research examined how stimulation test timing influences examinee psychological set and physiological response patterns to relevant and comparison questions…
Validated Techniques and Scoring Models for PDD Test Data Analysis – Conclusions from the 2011 APA Report
The 2011 APA meta-analysis established new mandatory standards requiring only scientifically validated techniques, effectively ending the era when tradition or…
Search for New Tests
The study identifies potential new testing methodologies that could enhance polygraph examination effectiveness beyond conventional approaches.
Polygraph Examination in Criminal Cases. Current Polish Practice. A Critical Study
Polygraph examinations were performed in just one in over 6,000 Polish criminal cases during 2002–2012, with no professional quality control…
A Little About Memory Traces
The study discusses theoretical aspects of how memory traces are formed and maintained, with implications for polygraph practice.
Psychological Aspects of the Quadri-Track Zone Comparison Technique and Attendant Benefits of its Inside Track
The Inside Track mechanism theoretically addresses the major cause of false positives and inconclusives by quantifying innocent examinees' fear of…
Polygraph Verification Test
The PVT provides examiners with a validated tool for confirming suspicions about test interference when original polygraph results are questionable…
Effect of Habituation to Least Threatening Zone Questions on the Most Threatening Zone Comparison Questions in Psychophysiological Veracity Examinations
62.9% of confirmed deceptive cases showed higher scores in subsequent charts, supporting differential habituation theory where deceptive examinees maintain or…
Analysis of Facial Skin Temperature Changes in Acquaintance Comparison Question Test
The study demonstrated the feasibility of using high-sensitivity thermal cameras to detect facial temperature changes during polygraph testing with precision…
Efficiency Formula for Polygraph Examination
A mathematical formula was developed to calculate polygraph examination efficiency based on quantitative parameters.
Legal Admissibility of Employee Polygraph Examinations in Poland
Employee polygraph examinations in Poland's private sector face significant legal obstacles absent explicit statutory authorization or genuine voluntary consent. While…
Confirmed Mental Countermeasure Case in Costa Rica
Mental countermeasures were successfully identified and confirmed through examination procedures, demonstrating the detectability of covert attempts to defeat polygraph testing.
Understanding False Confessions
Confessions were judged as honest more frequently than denials, and observers systematically failed to identify false confessions due to the…
Forensic Examination of Memory Traces (Part 2)
The framework challenges prevailing American and European deception detection approaches by positioning memory traces as the true object of polygraph…
A Field Study of the Backster Zone Comparison Technique's Either-Or Rule and Scoring System Versus Two Other Scoring Systems When Relevant Question Elicits Strong Response
The study analyzed the comparative effectiveness of the Backster Either-Or Rule versus the federal scoring system and Matte Quadri-Track system…
The Integrated Zone Comparison Technique and ASIT PolySuite Algorithm: A Field Validity Study
IZCT with ASIT PolySuite achieved 98.73% accuracy excluding inconclusives (92.9% including them), while manual 3-point scoring achieved 98.71% accuracy excluding…
Polygraph Examination as Scientific Evidence
The work provides a legal and scientific framework for evaluating polygraph evidence admissibility, particularly examining polygraph methodology against Daubert criteria…
The Attempts at Detecting Deception Through Evaluation of Non-verbal Symptoms
Ancient practitioners across multiple cultures independently recognized that deception produces observable physiological changes, particularly in pulse rate, establishing foundational principles…
A Field Study on the Validity of the Quadri-Track Zone Comparison Technique
The study provided real-world validation data for the Quadri-Track ZCT technique, representing the third published field research validation of this…
Probability Assessment of the Value of Psychophysiological Stimuli
The paper proposes a probability assessment framework for understanding stimulus value in polygraph testing, formalizing the relationship between stimulus psychological…
A Renaissance in Voice Analysers as Tools for Detection of Deception?
Research revealed that voice stress analyzers were disqualified by US regulatory bodies and military research found no validity exceeding chance…
Problems of Questions in Event Knowledge Tests
The study identified critical problems in EKT question construction and emphasized that EKT tests cannot be used in a template-based…
When should the Polygraph Stimulation Number Test be Performed?
In 63% of deceptive subjects, reactions to critical questions were greater in the control question test administered after the stimulation…
Development of Technologies and Test Formats for Credibility Assessment
The paper likely presented validation data for novel technological approaches including thermal imaging systems and computerized scoring methods that could…
Influence of case facts on blind scorers of polygraph tests
The study assessed whether contextual information, particularly incriminating evidence like fingerprint matches, biases blind scoring of polygraph quality control reviews.
The History of Polygraph Use in Bulgaria
By 2009, polygraph testing had become one of the most widespread credibility assessment tools in Bulgaria, with 99% of examiners…
The Problems of Truth Perception during Psychophysiological Examination
Specific findings unavailable due to inaccessibility of full text.
Forensic examination of memory traces (Part 1)
The paper proposes reconceptualizing polygraph testing as forensic examination of memory traces, arguing this framework provides stronger scientific grounding than…
Is the Lie Detector an American Obsession?
The work addresses American exceptionalism in lie detection technology and provides counterpoints to Alder's historical interpretations of polygraph development and…
The Event Knowledge Test Alibi Testing Potential in Polygraphic Examination
The EKT successfully bridges the gap between scientifically-supported knowledge testing and practical field application constraints in European criminal investigations.
The Validity of Polygraph Examination of an Innocent Person and a Perpetrator Administered Several Years after a Murder
The study assessed polygraph validity in a real murder case with examinations conducted years after the crime occurred, comparing results…
Interrogations using polygraph in Russia: 15 years of legal application
The study reveals a paradoxical situation in 1990s Russia where polygraph use increased annually across government departments despite the lack…
Test Structure and Administration
The Utah-CQT approach provides some of the highest rates of criterion accuracy and interrater reliability of any polygraph examination protocol…
The Behavioral Analysis Interview: Clarifying the Practice, Theory and Understanding of its Use and Effectiveness
The landmark 1994 field study demonstrated 91% accuracy on truthful suspects and 80% accuracy on deceptive suspects when trained evaluators…
Individual Differences in Comparison Question Anxiety
Individual psychological differences significantly affect comparison question anxiety levels, potentially impacting test validity and interpretation.
Ways of Revealing Resistance Against Polygraph Testing
The study identifies specific techniques and indicators that can be used to detect when subjects are employing resistance strategies during…
You Can't Run, But You Can Hide: A Critical Look at the Fight or Flight Response in Psychophysiological Detection of Deception
The authors demonstrated that the fight-or-flight paradigm was inadequate as the primary explanatory mechanism for polygraph responses, showing that multiple…
The Event Knowledge Test (EKT) in Polygraph Examination (common notice of tactics)
The EKT has been successfully implemented in Lithuanian law enforcement to reveal crime-specific knowledge and help investigate important circumstances of…
The Event Knowledge Test
P3 responses were obtained only to counted and chosen objects in 7 of 10 valid subjects, demonstrating that recognition memory…
The Event Knowledge Test (EKT) In Polygraph Examination
The EKT examination successfully detected specific knowledge about crime circumstances unknown to investigators at the time of testing, revealing details…
An attempt to falsify the results of a polygraph test through the implementation of false memory: a case study
The study explored the relationship between false memory techniques and polygraph test validity, though specific results are not accessible without…
Polygraph examination of a serial killer with sexual motives
Unable to determine specific findings without access to the full text of the article.
The actual use of investigative physiopsychological examinations in Germany
The study revealed how polygraph examinations were actually being employed in German investigative contexts outside of courtroom settings, despite the…
Legal and practical aspects of using the polygraph in the Republic of Lithuania
Lithuania developed comprehensive legal regulations governing polygraph use, primarily utilizing the Event Knowledge Test (a modification of the Concealed Information…
The development of polygraph examinations in Singapore
Singapore successfully developed a comprehensive polygraph program serving multiple government agencies including police, anti-corruption, and defense organizations, with 20-30 full-time…
Selected aspects of uncertainty in polygraph examination
The study identifies multiple sources of uncertainty in polygraph examinations that can impact test reliability and accuracy.
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