It is currently unknown how lie detection accuracy is affected when someone is speaking in his or her second language. We examined whether language proficiency had an impact on lie detection. We hypothesized that when ...

I examined whether observers’ own language proficiencies would affect their lie detection judgments. In a previous study, native- and second-language English speakers were videotaped as they either lied or told the truth ...

I examined the impact of targets’ language proficiency on observers’ lie detection accuracy, discrimination, bias, and confidence. Observers (N = 132) were randomly assigned to make deception judgments about targets (N = ...

I examined whether the length of thin slices (i.e., observations of behavior less than five minutes) affected deception detection. Participants (N = 262) were randomly assigned to one of seven exposure length conditions ...