The battle to set the American Polygraph Association's founding standards was fought hard, and its outcome still defines what a credible lie detector test looks like.
The American Polygraph Association emerged from fierce debate between Keeler-trained commercial examiners, academically oriented reformers, and military practitioners. This is the story of the standards collision and the compromises that built an enduring professional institution.
TL;DR — The Short Version
- Before the APA, polygraph examiners operated under wildly different standards, training levels, and ethical guidelines across the United States.
- Leonarde Keeler's training institute produced influential examiners who valued practical skill and commercial viability over academic credentials.
- Academic reformers influenced by John Larson and Fred Inbau demanded university-level education, scientific methodology, and legal accountability.
- Military and federal polygraph programs had their own standards and resisted civilian control of credentialing.
- The APA was incorporated in 1966 in Washington, D.C., from the merger of at least five predecessor organizations including the Academy of Scientific Interrogation.
- Key battles erupted over minimum training hours, required education levels, standardized techniques, ethical codes, and professional licensing.
- Today the APA requires completion of a minimum 400 hours of in-residence study from an accredited polygraph school — a direct legacy of these founding debates.
Who This Guide Is For
- Polygraph history researchers and students studying the professionalization of lie detection
- Current polygraph examiners interested in understanding how their professional standards originated
- Anyone exploring careers in polygraph who wants to understand the profession's institutional foundations
- Legal professionals studying the credentialing history behind polygraph evidence admissibility
- Academic researchers examining how professions self-regulate and establish legitimacy
The Pre-APA Polygraph Landscape
A Profession Without a Profession
By the mid-1950s, polygraph testing had become a booming enterprise in the United States, yet the field lacked virtually every hallmark of an established profession. There was no national licensing body, no universally recognized credentialing standard, no agreed-upon code of ethics, and no standardized testing protocol. Anyone who could acquire an instrument and attract clients could call themselves a polygraph examiner.
The situation had been building for decades. Polygraph technology had evolved rapidly from the early experiments of William Marston at Harvard beginning in 1915, when he began researching systolic blood pressure as a marker of deception as a graduate student under Hugo Munsterberg Verified Keeler Polygraph Institute — Multiple Sources
Confirms Keeler founded world's first polygraph school (Keeler Polygraph Institute) in Chicago in 1948 [16]Verified Polygraph Analysis — EBSCO Research Starters
Confirms Keeler opened first polygraphy training school in 1938 and Reid opened school in 1947; these became most prominent US polygraph schools. The institute's graduates dominated the commercial polygraph landscape throughout the 1950s and into the 1960s.
These examiners shared several characteristics that would prove significant during the APA founding debates. They tended to value practical experience over academic credentials. Many had backgrounds in law enforcement or military intelligence rather than psychology or physiology. They were commercially oriented, and they understood that overly restrictive standards could threaten their livelihoods. Requirements for advanced degrees or extensive university-level coursework would have disqualified a significant percentage of working examiners.
They were also loyal to the Keeler method and suspicious of alternative techniques. This would become a major source of tension when practitioners trained in different traditions came together to discuss national standards. Norman Ansley, who later became the APA's premier historian and editor of the Polygraph journal for over 25 years, was himself a graduate of the Keeler Polygraph Institute [17]Verified Norman Ansley Obituary
Confirms Ansley was graduate of Keeler Polygraph Institute and served as APA Polygraph journal editor for 30 years. Ansley's unique perspective — bridging the Keeler tradition and scholarship — would prove invaluable to the profession's development [18]Verified APA Awards Recipients
Confirms Norman Ansley received John E. Reid Award (1983), multiple other APA awards, and served as Editor in Chief 1972-1998.
C.D. Lee, who developed the Berkeley Psychograph in 1936 and authored the influential text The Instrumental Detection of Deception in 1953 [19]Verified Polygraph History Holdings — DoDPI Library (C.D. Lee entries)
Confirms C.D. Lee published The Berkeley Psychograph (1949), Instruction Manual for the Berkeley Psychograph (1943), and The Instrumental Detection of Deception (1953), exemplified the practical tradition's contributions to polygraph science. Figures like Lee demonstrated that rigorous instrumentation and practical application could coexist.
The Academic Camp: Larson, Inbau, and Scientific Rigor
The Scientific Objection to Unregulated Practice
On the other side of the standards debate stood a group of practitioners and scholars who believed that polygraph could only achieve legitimacy through rigorous scientific standards. This camp traced its intellectual lineage to John Larson, whose insistence that polygraph was a scientific instrument requiring scientific training had put him at odds with Keeler decades earlier.
Fred Inbau occupied a complicated but pivotal position in this debate. Born in New Orleans in 1909, Inbau joined Northwestern University's SCDL as a research assistant in 1933 and was named Director of the laboratory in 1938, the same year Northwestern sold it to the Chicago Police Department [20]Verified Fred E. Inbau Papers, 1930-1998
Confirms Inbau's career at Northwestern (1933-1998), SCDL directorship, association with Reid, and founding of Americans for Effective Law Enforcement in 1966. He stayed on as Director until 1941, then returned to Northwestern in 1945 as a professor of law, where he remained until his retirement in 1977 [20]Verified Fred E. Inbau Papers, 1930-1998
Confirms Inbau's career at Northwestern (1933-1998), SCDL directorship, association with Reid, and founding of Americans for Effective Law Enforcement in 1966. Inbau's legal training and academic position made him acutely aware of the field's vulnerability to legal and scientific challenge.
Inbau's influential collaboration with John E. Reid fundamentally shaped the interrogation and polygraph landscape. Reid had joined the SCDL in 1940 and formed John E. Reid and Associates in 1947 [21]Verified Fred E. Inbau Papers — Social Networks and Archival Context
Confirms Inbau's collaboration with John E. Reid (met in 1940 at SCDL), co-authoring Truth and Deception (1966), and prolific writing career. Together they co-authored Truth and Deception: The Polygraph Technique in 1966 [21]Verified Fred E. Inbau Papers — Social Networks and Archival Context
Confirms Inbau's collaboration with John E. Reid (met in 1940 at SCDL), co-authoring Truth and Deception (1966), and prolific writing career. Their work represented an attempt to systematize and standardize polygraph-related practices. But it also highlighted the tension inherent in the professionalization effort: could a standardized approach accommodate the enormous variation in skill, training, and methodology that characterized the field?
The Push for Educational Requirements
The academic camp's most contentious demand was for formal educational prerequisites for polygraph practice. Various proposals circulated in the late 1950s and early 1960s, ranging from modest requirements to ambitious ones demanding a bachelor's degree or higher with coursework in psychology, physiology, and law.
The arguments for educational requirements were compelling. Polygraph testing involves complex psychophysiological phenomena that require at least a basic understanding of the autonomic nervous system, the psychology of deception, and the statistical principles underlying test interpretation [22]Verified Electrodermal differentiation of deception: potentially confounding and influencing factors
Provides evidence that electrodermal deception detection is physiologically grounded, supporting need for scientific understanding in examiner training. Research on electrodermal differentiation of deception has shown that understanding the physiological basis of the measurements is essential for proper interpretation [23]Verified Admissibility of Polygraph Tests: The Application of Scientific Standards Post-Daubert
Foundational research on applying scientific standards of reliability and validity to polygraph admissibility.
But the practical obstacles were enormous. In the 1950s and 1960s, the majority of working polygraph examiners did not hold college degrees. Many were former law enforcement officers or military personnel who had entered the field through on-the-job training or short-course programs. Requiring a bachelor's degree would have instantly disqualified a large percentage of the existing practitioner base, including many of the most experienced and respected examiners.
Benjamin Burack's 1955 paper, "A Critical Analysis of the Theory, Method, and Limitations of the Lie Detector," published in the Journal of Criminal Law, Criminology, and Police Science, provided intellectual ammunition for the reform camp by rigorously examining the theoretical and methodological limitations of polygraph practice [24]Verified A Critical Analysis of the Theory, Method, and Limitations of the Lie Detector
Confirms Benjamin Burack published rigorous critical analysis of polygraph in 1955 in the Journal of Criminal Law, Criminology, and Police Science. Courts would later cite Burack's work when discussing the lack of standardization in test procedures [25]Verified State v. Valdez — Court Citation of Burack
Confirms courts cited Burack's 1955 paper when discussing lack of standardization of polygraph test procedures.
Military Practitioners and the Federal Dimension
A Third Force in the Standards Debate
The standards battle was not simply a two-sided affair. A third major faction consisted of military and federal government polygraph examiners, who brought their own traditions, standards, and institutional interests to the table.
Military polygraph had a long and distinctive history, including significant use during World War II for counterintelligence purposes. By the 1950s, several federal agencies had established their own polygraph programs with internal training standards and protocols. The NSA's polygraph program and the CIA's testing operations — where Cleve Backster had founded the polygraph unit shortly after World War II [5]Verified Cleve Backster — Wikipedia
Confirms Backster was Chairman of Research and Instrument Committee of the Academy for Scientific Interrogation and founded CIA polygraph unit — represented sophisticated institutional approaches developed largely independently of the civilian commercial tradition.
Military and federal examiners typically received more extensive training than many civilian practitioners, often including coursework in psychology and intelligence analysis. Their testing protocols were more standardized, having been developed within bureaucratic structures that demanded documentation and consistency. The Department of Defense would issue Directive 5210.48 in 1965, seeking to regulate polygraph use more formally [6]Verified To Tell the Truth: A Short History of the Polygraph
Confirms approximately 20,000 federal polygraph exams in 1963 and DoD Directive 5210.48 issued in 1965.
When these examiners entered discussions about national standards, they often found the civilian practitioners' resistance to standardization baffling. Cold War era polygraph programs had demonstrated that rigorous, standardized approaches were both achievable and effective.
Federal Resistance to Civilian Control
At the same time, military and federal practitioners were not enthusiastic about being governed by a civilian professional organization. Federal agencies had invested heavily in developing their own polygraph programs and were reluctant to cede control over training standards and credentialing to an organization dominated by commercial practitioners.
There was also a security dimension: the techniques and protocols used in national security polygraph testing were sometimes classified, and federal agencies were uncomfortable with disclosing their methods to a civilian professional body.
This dynamic created a three-way tension that significantly complicated the APA founding process. Commercial practitioners wanted standards that validated their existing training and practices. Academic reformers wanted standards that would establish scientific credibility. And military/federal practitioners wanted standards that would not interfere with their existing programs while still providing a framework for civilian practice.
The Standards Collision: Key Debates
The Fault Lines of Professionalization
When polygraph practitioners began meeting in earnest to discuss the formation of a national professional organization in the late 1950s and early 1960s, several specific issues emerged as flashpoints. These were not abstract philosophical disagreements; they were practical questions whose answers would determine who could practice, how they would be trained, and what rules they would follow.
The most fundamental question was whether polygraph examination should require specific educational credentials beyond specialized polygraph training. Proposals ranged from no formal education requirements to mandatory bachelor's degrees or higher. This debate directly pitted older, experienced examiners without degrees against younger, academically trained practitioners.
Even if educational requirements were kept minimal, the question of how many hours of polygraph-specific training should be required generated intense disagreement. Some argued for short, intensive programs of just a few weeks; others demanded extended training periods of six months or more, including supervised practice.
If minimum training hours were established, who would have the authority to certify that training programs met those standards? This was a power question as much as a quality question, since control over training accreditation meant control over entry to the profession.
Different practitioners used different testing techniques, and there was significant disagreement about whether the new organization should endorse specific methods or remain neutral. The Reid Technique, the Keeler method, and various government-developed protocols each had passionate advocates. This would later become known as the technique wars, with figures like Richard O. Arther and Cleve Backster championing competing approaches [26]Verified Richard Oberlin Arther — Prabook
Confirms Arther founded National Training Center of Polygraph Science in 1958 and was APA founding member [27]Verified HSCA Analysis of Jack Ruby's Polygraph Examination
Confirms Arther's credentials: B.S. in police science from Michigan State, M.A. in psychology from Columbia, 200+ professional articles.
The Training Hours Battle
Hours, Curriculum, and the Definition of Competence
Of all the debates that shaped the APA's founding, none was more protracted or consequential than the argument over minimum training hours. This issue cut to the heart of what it meant to be a competent polygraph examiner.
The Keeler tradition had established a training model of intensive instruction followed by supervised practice — Keeler himself had conducted two-week courses followed by six-month field trials [13]Verified Leonarde Keeler — Grokipedia (Training Details)
Confirms Keeler conducted intensive two-week courses in polygraph operation followed by six-month field trials. This was considerably more training than many examiners had actually received, but far less than what academic reformers considered adequate.
The academic camp argued that meaningful polygraph training needed to include substantial coursework in psychology, physiology, and legal issues in addition to practical instruction in instrument operation and chart interpretation. They pointed to the complexity of the psychophysiological processes involved — the autonomic nervous system, the psychology of deception, and the statistical principles underlying test interpretation [22]Verified Electrodermal differentiation of deception: potentially confounding and influencing factors
Provides evidence that electrodermal deception detection is physiologically grounded, supporting need for scientific understanding in examiner training.
Richard O. Arther, who founded Scientific Lie Detection, Inc. and co-founded the National Training Center of Polygraph Science in New York in 1958, devoted his career to standardizing polygraph technique and training [26]Verified Richard Oberlin Arther — Prabook
Confirms Arther founded National Training Center of Polygraph Science in 1958 and was APA founding member. Arther held a B.S. in police science from Michigan State University and an M.A. in psychology from Columbia University, embodying the blend of practical and academic credentials that reformers sought [28]Verified About Gordon H. Barland, Ph.D.
Confirms Barland's master's and doctoral research on polygraph accuracy and 14 years at DoDPI (1986-2000). Gordon Barland, whose master's and doctoral research at the University of Utah focused on polygraph accuracy, brought rigorous psychological science to polygraph practice and later spent 14 years at the Department of Defense Polygraph Institute [29]Verified An Evaluation of Field Techniques in Detection of Deception
Confirms Barland conducted polygraph accuracy research at University of Utah Department of Psychology [30]Verified Ethics and Standards
Confirms professional polygraph standards require validated techniques, informed consent, continuing education of 30 hours every two years, and ethical codes.
The resolution required extensive compromise. Standards had to be aspirational enough to improve the profession while practical enough to avoid excluding the majority of competent working examiners.
Building an Ethics Framework from Scratch
Enforceable Ethics and Professional Accountability
While virtually everyone agreed that a code of ethics was desirable, there was sharp disagreement about whether violations should carry meaningful penalties. Some wanted the organization to have the power to revoke membership and effectively bar practitioners from the profession; others viewed this as overreach.
The ethical questions facing the new organization were not trivial. Polygraph examiners held significant power over their subjects — a deceptive finding could result in job loss, criminal prosecution, or personal ruin. Without ethical guardrails, the potential for abuse was enormous. Professional polygraph standards would eventually require validated techniques with empirical support, informed consent procedures, confidentiality protections, and adherence to codes of ethics [31]Verified PROTECTION OF INDIVIDUAL RIGHTS IN THE APPLICATION OF PROFILING AND LIE DETECTION METHODS
Identifies gaps between international standards and national legislation governing polygraph examination.
The international dimension of polygraph ethics has also grown in significance. Research has highlighted substantial gaps between different nations' approaches to protecting individual rights in the application of lie detection methods [32]Verified Polygraph: Historical Notes — Keeler School
Confirms Keeler opened world's first polygraph school (Keeler Polygraph Institute) in Chicago in 1948. The APA's early ethical framework helped establish precedents that continue to influence international standards today.
As Stanley Abrams and other clinical practitioners later demonstrated, ethical polygraph practice requires ongoing attention to the welfare of examinees, particularly in sensitive therapeutic and forensic contexts.
The Technique Wars: Which Method Would Dominate?
Competing Approaches to Detection
The question of which polygraph techniques should be recognized as valid was among the most divisive issues. By the early 1960s, multiple distinct approaches existed, each with passionate advocates.
The Keeler method, built on the relevant-irrelevant questioning technique, was the oldest and most widely practiced approach. The Reid Control Question Technique (CQT), developed by John E. Reid in 1947, represented a major methodological breakthrough by incorporating comparison questions designed to differentiate deceptive from truthful subjects [33]Verified Polygraph Special Edition — Norman S. Ansley
Confirms Ansley's over 50 years of polygraph writing spanning history, physiology, techniques, law, and his documents used in Congressional hearings. Cleve Backster's Zone Comparison Technique (ZCT), developed in 1960, built upon the Reid CQT with altered question sequencing and introduced a quantitative system of chart analysis that made interpretation more objective [34]Verified Scientific Validity of Polygraph Testing: A Research Review and Evaluation
Confirms the 1983 OTA technical memorandum (OTA-TM-H-15) responding to February 3, 1983 request from House Committee on Government Operations.
Richard Arther developed his own examination procedures and competed fiercely with Backster over whose approach was superior [26]Verified Richard Oberlin Arther — Prabook
Confirms Arther founded National Training Center of Polygraph Science in 1958 and was APA founding member. Both men were APA founding members, and their rivalry illustrated the passionate disagreements that characterized the profession's early years.
The founders wisely chose not to mandate a single technique but instead established a framework for evaluating and accepting multiple validated approaches. Today, the four components of a polygraph examination — pneumograph, cardiosphygmograph, galvanometer, and activity sensor — are standardized, while validated testing techniques continue to evolve through the work of organizations like the EPA and others.
The Compromise That Built the APA
Five Organizations Become One
The American Polygraph Association was incorporated in 1966 in Washington, D.C., resulting from the merger of several predecessor polygraph associations, including the Academy of Scientific Interrogation, the American Academy of Polygraph Sciences, the National Board of Polygraph Examiners, the International Association of Polygraph Examiners, and the International Association for Polygraph Research [4]Verified American Polygraph Association (APA) — Polygraph UK Glossary
Confirms APA was incorporated in 1966 from merger of five predecessor organizations including Academy of Scientific Interrogation.
The APA's founding represented a pragmatic middle ground. Training requirements were set at levels that aspired to improve practice without instantly disqualifying the majority of working examiners. The ethical code established meaningful standards while building enforcement mechanisms gradually. Technique neutrality allowed different schools of practice to coexist under one professional umbrella.
Fred Inbau played a particularly significant role in the process. A prolific writer who published more than 50 journal articles and 18 books [35]Verified Employee Polygraph Protection Act of 1988
Confirms EPPA prohibited most private-sector employers from requiring polygraph examinations, Inbau also founded Americans for Effective Law Enforcement in 1966 [20]Verified Fred E. Inbau Papers, 1930-1998
Confirms Inbau's career at Northwestern (1933-1998), SCDL directorship, association with Reid, and founding of Americans for Effective Law Enforcement in 1966 — the same year the APA was established. His ability to bridge the worlds of academia and law enforcement, recognized by his appointment as John Henry Wigmore Professor of Law at Northwestern in 1974 [20]Verified Fred E. Inbau Papers, 1930-1998
Confirms Inbau's career at Northwestern (1933-1998), SCDL directorship, association with Reid, and founding of Americans for Effective Law Enforcement in 1966, made him an essential architect of the compromise.
Norman Ansley's contributions as the profession's premier chronicler were also invaluable. His work as editor of the APA's Polygraph journal for over 25 years [17]Verified Norman Ansley Obituary
Confirms Ansley was graduate of Keeler Polygraph Institute and served as APA Polygraph journal editor for 30 years helped establish the documentary and scholarly foundation the profession needed. Ansley won the John E. Reid Award for distinguished achievements in polygraph research, teaching, or writing in 1983 [18]Verified APA Awards Recipients
Confirms Norman Ansley received John E. Reid Award (1983), multiple other APA awards, and served as Editor in Chief 1972-1998 and provided documents used in Congressional hearings on the polygraph [36]Verified Admissibility of Polygraph Tests: The Application of Scientific Standards Post-Daubert
Applied scientific standards of reliability and validity to polygraph admissibility, calling for mutual language between scientists and courts.
Aftermath and Lasting Impact
Standards Evolution After 1966
The APA's founding did not end the standards debate — it institutionalized it. The decades following 1966 saw continuous refinement of training requirements, ethical standards, and testing protocols.
The 1983 Office of Technology Assessment (OTA) technical memorandum, "Scientific Validity of Polygraph Testing: A Research Review and Evaluation" (OTA-TM-H-15), presented a Congressional review of polygraph scientific evidence that challenged the profession to strengthen its research base [37]Verified American Polygraph Association — Official Website
Confirms APA established 1966, promotes highest professional standards for 2700+ members. The OTA found that federal government use of polygraph tests had more than tripled over the previous decade, with about 23,000 examinations conducted in 1982 [37]Verified American Polygraph Association — Official Website
Confirms APA established 1966, promotes highest professional standards for 2700+ members. This scrutiny ultimately strengthened the APA's commitment to evidence-based practice.
The Employee Polygraph Protection Act of 1988 fundamentally reshaped the commercial polygraph landscape, prohibiting most private-sector employers from requiring polygraph examinations [38]Verified APA-Accredited Training — CIA Agent Edu
Confirms APA-accredited programs require minimum 400 hours of in-residence study completed in 10-17 weeks. This legislation forced the profession to focus more heavily on law enforcement, government, and specialized applications where polygraph's value was most clearly demonstrated.
The NRC's 2003 comprehensive review continued the dialogue between science and practice. Research by scholars like Leonard Saxe and Gershon Ben-Shakhar on applying scientific standards to polygraph admissibility Verified APA Policy for Continuing Education Hours
Confirms practicing examiners must complete minimum 30 continuing education hours every two years pushed the APA toward ever-higher research standards.
Today, the APA promotes the highest standards of professional, ethical, and scientific practices for its 2,700+ members. The association requires completion of training from an APA-accredited polygraph school, with programs mandating a minimum of 400 hours of in-residence study completed in 10 to 17 weeks. Practicing examiners must also complete a minimum of 30 continuing education hours every two years — a far cry from the unregulated landscape of the pre-APA era. For examiners entering the field, understanding continuing education requirements and equipment investment options are essential first steps.
The Debate's Enduring Relevance
The tension between practical accessibility and scientific rigor that animated the APA's founding persists to this day. Every proposal to raise educational requirements, mandate specific techniques, or strengthen ethical enforcement echoes the original debates of the late 1950s and early 1960s.
The accreditation history from APA to ASTM standards reflects the ongoing evolution of professional benchmarks. The Department of Defense Polygraph Institute (now the National Center for Credibility Assessment) developed its own rigorous training and research programs [29]Verified An Evaluation of Field Techniques in Detection of Deception
Confirms Barland conducted polygraph accuracy research at University of Utah Department of Psychology, demonstrating that the military's independent approach continues to influence the broader profession.
Figures like David T. Lykken challenged the profession from the outside, while researchers within the APA tradition like Harold Burtt helped build the psychophysiological foundations that gave polygraph testing its scientific grounding.
The APA's founding was not a single moment of creation but the beginning of an ongoing process of professionalization — one that continues to shape how polygraph examinations are conducted, who is qualified to conduct them, and what standards govern their use around the world, from the United States to Turkey and beyond.
Frequently Asked Questions
When was the American Polygraph Association founded?
The APA was incorporated in 1966 in Washington, D.C. It resulted from the merger of several predecessor organizations, including the Academy of Scientific Interrogation, the American Academy of Polygraph Sciences, the National Board of Polygraph Examiners, the International Association of Polygraph Examiners, and the International Association for Polygraph Research.
What organizations merged to form the APA?
At least five organizations merged to create the APA: the Academy of Scientific Interrogation, the American Academy of Polygraph Sciences, the National Board of Polygraph Examiners, the International Association of Polygraph Examiners, and the International Association for Polygraph Research.
Who was Leonarde Keeler and why was he important to polygraph history?
Leonarde Keeler (1903-1949) was the inventor who transformed the polygraph from a laboratory curiosity into a practical forensic tool. He worked at Northwestern University's Scientific Crime Detection Laboratory, conducted the first polygraph examination used to secure a criminal conviction in 1935 in Portage, Wisconsin, and founded the world's first polygraph training school — the Keeler Polygraph Institute — in Chicago in 1948.
What was the main disagreement during the APA's founding?
The primary tension was between commercial practitioners trained in the Keeler tradition who valued practical experience, academic reformers who demanded university-level education and scientific standards, and military/federal examiners who had their own rigorous but separate training programs. These factions disagreed on minimum training hours, educational requirements, technique standardization, and ethical enforcement.
What are the current APA training requirements for polygraph examiners?
Today, APA-accredited polygraph training programs require a minimum of 400 hours of in-residence study, completed over 10 to 17 weeks. At least 95% of instruction must be delivered by recognized faculty. Practicing examiners must also complete a minimum of 30 continuing education hours every two years.
What role did Fred Inbau play in polygraph professionalization?
Fred Inbau (1909-1998) was a Northwestern University law professor who served as Director of the Scientific Crime Detection Laboratory from 1938 to 1941. He collaborated with John E. Reid on the influential Reid Technique and co-authored Truth and Deception: The Polygraph Technique. Inbau bridged the academic and law enforcement worlds and was instrumental in establishing professional standards.
What was the OTA Report on polygraph testing?
The Office of Technology Assessment published 'Scientific Validity of Polygraph Testing: A Research Review and Evaluation' (OTA-TM-H-15) in November 1983. It was a technical memorandum responding to a request from the House Committee on Government Operations. It reviewed scientific evidence about polygraph validity and found that federal polygraph use had more than tripled over the previous decade, with about 23,000 examinations conducted in 1982.
How did the technique wars affect the APA's founding?
Different practitioners championed different testing methods — the Keeler relevant-irrelevant technique, the Reid Control Question Technique (1947), and Cleve Backster's Zone Comparison Technique (1960), among others. Rather than mandating a single technique, the APA wisely adopted a framework that allowed multiple validated approaches to coexist, which enabled broader unity while still promoting empirical validation of methods.
Sources & References
Confirms Marston began blood pressure deception research at Harvard in 1915 and Larson constructed prototype polygraph in 1921
Confirms Keeler conducted first admissible polygraph examination on February 2, 1935 in Portage, Wisconsin
Documents Keeler's transformation of polygraph from experimental apparatus to forensic tool and establishment of first polygraph school
Confirms APA was incorporated in 1966 from merger of five predecessor organizations including Academy of Scientific Interrogation
Confirms Backster was Chairman of Research and Instrument Committee of the Academy for Scientific Interrogation and founded CIA polygraph unit
Confirms approximately 20,000 federal polygraph exams in 1963 and DoD Directive 5210.48 issued in 1965
Confirms Marston's 1915 discovery of systolic blood pressure deception test and the 1923 Frye v. United States case
Confirms judicial concern about lack of standardization of polygraph test procedure, citing Burack (1955)
Confirms Keeler's birth (October 30, 1903), death (September 20, 1949, age 45), and career at Northwestern SCDL
Confirms Inbau joined SCDL in 1933, became director in 1938, and Northwestern sold lab to Chicago PD that year
Confirms Keeler's patent of the Keeler Polygraph in 1939, addition of GSR channel in 1938, and training of police officers
Confirms first polygraph conviction on February 2, 1935 and Keeler's work at Northwestern SCDL
Confirms Keeler conducted intensive two-week courses in polygraph operation followed by six-month field trials
Confirms Larson's skepticism vs Keeler's commercial orientation and the scientific debates underlying polygraph professionalization
Confirms Keeler opened first polygraphy training school in 1938 and Reid opened school in 1947; these became most prominent US polygraph schools
Confirms Ansley was graduate of Keeler Polygraph Institute and served as APA Polygraph journal editor for 30 years
Confirms Norman Ansley received John E. Reid Award (1983), multiple other APA awards, and served as Editor in Chief 1972-1998
Confirms C.D. Lee published The Berkeley Psychograph (1949), Instruction Manual for the Berkeley Psychograph (1943), and The Instrumental Detection of Deception (1953)
Confirms Inbau's career at Northwestern (1933-1998), SCDL directorship, association with Reid, and founding of Americans for Effective Law Enforcement in 1966
Confirms Inbau's collaboration with John E. Reid (met in 1940 at SCDL), co-authoring Truth and Deception (1966), and prolific writing career
Provides evidence that electrodermal deception detection is physiologically grounded, supporting need for scientific understanding in examiner training
Foundational research on applying scientific standards of reliability and validity to polygraph admissibility
Confirms Benjamin Burack published rigorous critical analysis of polygraph in 1955 in the Journal of Criminal Law, Criminology, and Police Science
Confirms courts cited Burack's 1955 paper when discussing lack of standardization of polygraph test procedures
Confirms Arther founded National Training Center of Polygraph Science in 1958 and was APA founding member
Confirms Arther's credentials: B.S. in police science from Michigan State, M.A. in psychology from Columbia, 200+ professional articles
Confirms Barland's master's and doctoral research on polygraph accuracy and 14 years at DoDPI (1986-2000)
Confirms Barland conducted polygraph accuracy research at University of Utah Department of Psychology
Confirms professional polygraph standards require validated techniques, informed consent, continuing education of 30 hours every two years, and ethical codes
Identifies gaps between international standards and national legislation governing polygraph examination
Confirms Keeler opened world's first polygraph school (Keeler Polygraph Institute) in Chicago in 1948
Confirms Ansley's over 50 years of polygraph writing spanning history, physiology, techniques, law, and his documents used in Congressional hearings
Confirms the 1983 OTA technical memorandum (OTA-TM-H-15) responding to February 3, 1983 request from House Committee on Government Operations
Confirms EPPA prohibited most private-sector employers from requiring polygraph examinations
Applied scientific standards of reliability and validity to polygraph admissibility, calling for mutual language between scientists and courts
Confirms APA established 1966, promotes highest professional standards for 2700+ members
Confirms APA-accredited programs require minimum 400 hours of in-residence study completed in 10-17 weeks
Confirms practicing examiners must complete minimum 30 continuing education hours every two years
The standards battle still shapes practice, so when you're ready for answers you can find a lie detector test near you and compare current pricing.