ABSTRACT: Over the past several decades, scholars have sought to better understand and refine the process of detecting deception (see Vrij, 2015). However, considerably less research has focused on identifying the characteristics and abilities of effective liars. The purpose of the present project was to begin to examine individual differences in lying ability and identify skills and traits of more successful liars. Participants in this study lied or told the truth under various conditions and then naïve observers judged the veracity of those statements. Overall, participants did not demonstrate good calibration between confidence in their ability and performance on the task. Additionally, some individual difference measures (e.g., working memory capacity, task switching ability, and Machiavellianism) were found to be related to the ability to lie well while others (e.g., inhibitory control, narcissism, and psychopathy) were not. Additionally, good liars were not affected by new strategic interview approaches (e.g., reverse order recall) as performance during control phases of interviews was related to performance during strategic phases. The relationships between confidence, ability, personality traits, cognitive abilities, and strategic interviewing approaches was examined.
Keywords: interview, lying, deception, individual differences
APPENDIX B: MACHIAVELLIANISM PERSONALITY SCALE
Responses are on a 5 point Likert scale from 1 (Strongly Disagree) to 5 (Strongly Agree).
1. I believe that lying is necessary to maintain a competitive advantage over others (A)
2. The only good reason to talk to others is to get information that I can use to my own benefit (A)
3. I am willing to be unethical if I believe it will help me succeed (A)
4. I am willing to sabotage the efforts of other people if they threaten my own goals (A)
5. I would cheat if there was a low chance of getting caught (A)
6. I like to give the orders in interpersonal situations (DC)
7. I enjoy having control over other people (DC)
8. I enjoy being able to control the situation (DC)
9. Status is a good sign of success in life (DS)
10. Accumulating wealth is an important goal for me (DS)
11. I want to be rich and powerful someday (DS)
12. People are only motivated by personal gain (DO)
13. I dislike committing to groups because I don’t trust others (DO)
14. Team members backstab each other all the time to get ahead (DO)
15. If I show any weakness at work, other people will take advantage of it (DO)
16. Other people are always planning ways to take advantage of the situation at my expense (D)
Subscales: A: Amorality, DC: Desire for Control, DS: Desire for Status, DO: Distrust of Others.
APPENDIX C: NARCISSISTIC GRANDIOSITY SCALE Narcissistic Grandiosity Scale (Crowe et al. 2016) Rate yourself on the following adjectives on a scale of 1 (not at all) to 9 (extremely)
1. Perfect
2. Extraordinary
3. Superior
4. Heroic
5. Omnipotent
6. Unrivalled
7. Authoritative
8. Glorious
9. Prestigious
10. Acclaimed
11. Prominent
12. High-Status
13. Brilliant
14. Dominant
15. Envied
16. Powerful
APPENDIX D: TRIARCHIC PSYCHOPATHY MEASURE (Patrick, Fowles, & Krueger, 2009)
This questionnaire contains statements that different people might use to describe themselves. For each statement, select the choice that describes you best. There are no right or wrong answers; just choose the answer that best describes you (Items are responded to on a 4-point Likert scale).
1. I’m optimistic more often than not.
2. How other people feel is important to me.
3. I often act on immediate needs.
4. I have no strong desire to parachute out of an airplane.
5. I’ve often missed things I promised to attend.
6. I would enjoy being in a high-speed chase.
7. I am well equipped to deal with stress.
8. I don’t mind if someone I dislike gets hurt.
9. My impulsive decisions have caused problems with loved ones.
10. I get scared easily.
11. I sympathize with others’ problems.
12. I have missed work without bothering to call in.
13. I’m a born leader.
14. I enjoy of good physical fight.
15. I jump into things without thinking.
16. I have a hard time making things turn out the way that I want.
17. I return insults.
18. I’ve gotten in trouble because I missed too much school.
19. I have a knack for influencing people.
20. It doesn’t bother me to see someone else in pain.
21. I have good control over myself.
22. I function well in new situations, even when unprepared.
23. I enjoy pushing people around sometimes.
24. I have taken money from someone’s purse or wallet without asking.
25. I don’t’ think of myself as talented.
26. I taunt people just to stir things up.
27. People often abuse my trust.
28. I’m afraid of far fewer things than most people.
29. I don’t any point in worrying if what I do hurts someone else.
30. I keep appointments that I make.
31. I often get bored quickly and lose interest.
32. I can get over things that would traumatize others.
33. I am sensitive to the feelings of others.
34. I have conned people to get money from them.
35. It worries me to go into an unfamiliar situation without knowing all the details.
36. I don’t have much sympathy for people.
37. I get in trouble for not considering the consequences of my actions.
38. I can convince people to do what I want.
39. For me, honesty really is the best policy.
40. I’ve injured people to see them in pain.
41. I don’t like to take the lead in groups.
42. I sometimes insult people on purpose to get a reaction from them.
43. I have taken items from a store without paying for them.
44. It’s easy to embarrass me.
45. Things are more fun if a little danger is involved.
46. I have a hard time waiting patiently for things I want.
47. I stay away from physical danger as much as I can.
48. I don’t care much if what I do hurts others.
49. I have lost a friend because of irresponsible things I’ve done.
50. I don’t stack up well against most others.
51. Others have told me they are concerned about my lack of self-control.
52. It’s easy for me to relate to other people’s emotions.
53. I have robbed someone.
54. I never worry about making a fool of myself with others.
55. It doesn’t bother me when people around me are hurting.
56. I have had problems at work because I was irresponsible.
57. I’m not very good at influencing people.
58. I have stolen something out of a vehicle.
APPENDIX G: LIST OF OPINIONS FOR OPINION TASK (from Deeb et al. 2018)
In this next task you will be asked to argue both for an against an opinion that you hold. First, please take a moment to rate how much you agree with the following statements:
1. Women should have the right to have an abortion.
2. Capital punishment (i.e., the death penalty) should be a legal option in judicial systems for serious crimes.
3. CCTV cameras in streets and public areas is a good thing.
4. The US immigration laws should be much tougher for anyone wanting to live in the US.
5. I am firmly atheist (don’t believe in God).
6. Banning smoking in public places is a good thing.
7. Euthanasia should be a lawful option in the terminally ill.
8. Obese people should pay for their own healthcare.
9. It is right that animals are used for experimentation in medical research.
10. Governments should allow polygamy (marriage to more than one spouse).
11. Sex before marriage is morally wrong.
12. Couple should not live together before being married.
13. I support the Democratic Party.
14. Arranged marriages should not be allowed.
15. Telling your children that Santa Claus exists is wrong.
16. I generally agree with Donald Trump’s remarks.
17. I would not mind if the President of my country was female.
18. If is okay for the minimum age for purchasing alcohol to be 18 years.
19. The inclusion policy at schools, wherein children with behavioral problems are kept in mainstream school classrooms, is a good thing.
20. I support the Republican Party.
21. Governments should allow the use of marijuana for personal use.
22. The refugees’ crisis will have an increased negative influence on the United States.
Note: Ratings will be on a 1-7 Likert Scale ranging from strongly disagree to strongly agree.
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