Deception manipulation check A t-test was conducted in order to find out whether the suspects reported complying with the instructions to lie or tell the truth. Truth tellers rated their truthfulness as significantly higher than did liars (M=9.12,SD=1.40;M=4.90,SD=2.15, respectively, t(80)=10.44, p<.001 consider the manipulation check analysis on page authors used a t-test to determine whether suspects reported complying with instructions lie or tell truth. why was this more appropriate run than chi square at-test can test nominal data which is scale of measure for dependent variable ordinal interval made mistake here. they should have analyze deception table effects training three variables by deceptive and truthful indicates degree statement-evidence inconsistency higher value inconsistent standard deviations in parentheses. b interviewers tendency disclose evidence after suspect had given free recall followed specific questions expressed mean number c level cognitive demand as values indicate according condition did report highest hint: make sure read note when interviewer trained involved truth untrained>