Polygraph Glossary Scoring

Lykken scoring

Definition

Lykken scoring is a system for scoring electrodermal responses in the Concealed Information Test. It compares critical item responses against neutral items using a rank-order method. One variant uses averaged ranks. It established the threshold framework for CIT decision-making.

What Is Lykken Scoring?

Lykken scoring is a system for scoring electrodermal responses in the Concealed Information Test. It compares critical item responses against neutral items using a rank-order method. One variant uses averaged ranks. It established the threshold framework for CIT decision-making.

Cross-references

More scoring terms in this glossary

ESS-MEmpirical Scoring System – Modified A computer-automated version of the manual Empirical Scoring System (ESS), implemented in Limestone Technologies poly... Hit Rate The overall percentage of correct classifications (both true positives and true negatives) produced by a polygraph te... Effect Size A statistical measure of the magnitude of difference between physiological responses to relevant versus comparison qu... analysis spot An analysis spot is the specific location on a polygraph chart where the spot analysis concept is applied. Each analy... Monte Carlo Analysis A statistical technique used in polygraph research to estimate accuracy rates and confidence intervals by generating ... Feature Extraction The process of identifying and measuring specific physiological response characteristics from raw polygraph data for ...

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