| Participant age now (years) | |
| Participant sex | |
| Participant race | |
| Extent to which participant agrees with the following statement: “I think that I have felt that there are odd or unusual things going on that I can’t explain.” | |
| Extent to which participant agrees with the following statement: “I have had the experience of doing something differently because of my superstitions.” | |
| Extent to which participant agrees with the following statement: “I think that I may get confused at times whether something I experience or perceive may be real or may be just part of my imagination or dreams.” | |
| Extent to which participant agrees with the following statement: “I think I might feel like my mind is ‘playing tricks’ on me.” | |
| Extent to which participant agrees with the following statement: “I think that I may hear my own thoughts being said out loud.” | |