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Table 1 Content criteria for statement analysis (from Steller & Köhnken, 1989)

From: A comparison of the effectiveness of two types of deceit detection training methods in older adults

Category Criterion Description for present research
General characteristics 1. Logical structure True accounts have an inner coherence and consistency (Undeutsch, 1984)
2. Quantity of details Abundant detail is impossible to fake (e.g., detailed description of the place). Do not count repetitions of the same details
Specific contents 3. Contextual embedding Real incidents occur within the everyday relationships and happenings of life
4. Descriptions of interactions Describing interactions is a sign of credibility
5. Reproduction of conversation Dialogue of speakers is reported
6. Unexpected complications during the incident Surprising problems happen in real life
Peculiarities of content 7. Unusual details Odd details are a sign of credibility
8. Superfluous details When someone lies they don’t think of inventing irrelevant details, but these are often told in true accounts
9. Accounts of subjective mental state Reports of feelings or cognitions during the event indicate credibility
10. Attribution of perpetrator’s mental state Reporting the affective reactions and thoughts of others is a sign of credibility
Motivation-related contents 11. Spontaneous corrections Liars do not correct their statements
12. Admitting lack of memory Liars do not admit to lack of memory
13. Raising doubts about one’s own testimony Liars do not raise doubts about their own testimony
14. Self-deprecation Liars are confident