Abstract
In a quasi-experimental research we aimed at highlighting differences regarding psychophysiological reactivity in polygraph examinations, dependent on the GENDER variable. Two paired-samples have been used, with a volume of 31 participants, diagnosed as deceptive in real cause examinations. Women have a higher mean value for: Electrodermal Amplitude (AEDA)(t(30)=3.72, p=001, dCohen= 0.50); Electrodermal Line Length (LLEDA)(t(30)=-2.34, p=.026, d= 0.14); Scoring of the Electrodermal Amplitude (SCORING AEDA) (t(30)= -3.64, p=.001, d= 0.30); Scoring of the Electrodermal Line Length (SCORING LLEDA)(t(30)= -2.29, p=.029, d= 0.58).Men have a higher mean value for: Respiration Line Length(RLL) (t(30)=85.32, p=.006, d= 0.60); Mean Amplitude of Brachial Pulse (ACA) (t(30)= 4.31, p<.001, d=0.23). The results of the present study can provide useful information in the interpretation of psychophysiological data in order to increase the safety and precision level in diagnostic formulation in polygraph testing.
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