Table 1.
Item loadings of a three-factor solution in the total sample as shown via an exploratory factor analysis with promax rotation along with cronbach’s alphas of the three factors
| Item | GD | CU | INS |
|---|---|---|---|
| 5 - Lies often to avoid problems | .96 | −.03 | −.06 |
| 7 - Seems to see himself/herself as superior compared to others | .71 | .13 | .10 |
| 9 - Often lies to get what he/she wants | .93 | .03 | −.03 |
| 15 - Seems to lie more than other children of the same age | .90 | .07 | −.02 |
| 18 - Is often superior and arrogant toward others | .67 | .26 | .02 |
| 21 - To get people to do what he/she wants, he/she often finds it efficient to con them | .84 | −.02 | .09 |
| 24 - Thinks that he/she is better than everyone at almost everything | .68 | .13 | .11 |
| 26 - To frequently lie seems to be completely normal for him/her | .88 | .11 | −.02 |
| 2 - Seldom expresses sympathy for others | −.01 | .91 | −.08 |
| 4 - Usually does not seem to share others’ joy and sorrow | −.02 | .96 | −.11 |
| 8 - Never seems to have bad conscience for things that he/she has done | .24 | .64 | .09 |
| 11 - Often seems to be completely indifferent when other children are upset | .08 | .78 | −.01 |
| 13 - Does not become upset when others are being hurt | .04 | .90 | −.04 |
| 17 - Seldom remorseful when he/she has done something not allowed | .21 | .70 | .10 |
| 20 - Often does not seem to care about what other people feel and think | .14 | .85 | −.01 |
| 22 - Sometimes seems to completely lack the capability to feel guilt and remorse | .21 | .75 | .07 |
| 25 - Never expresses feelings of guilt when he/she has done something not allowed | .21 | .76 | .02 |
| 27 - Does not express guilt and remorse to the same extent as other children of the same age | .17 | .81 | −.01 |
| 1 - Likes change and that things happen all the time | .03 | −.32 | .87 |
| 3 - Often has difficulties with awaiting his/her turn | −.13 | .15 | .85 |
| 6 - Seems to do certain things just for the thrill of it | .36 | .01 | .53 |
| 10 - Provides himself/herself with different things very fast and eagerly | .16 | −.03 | .74 |
| 12 - Often does things without thinking ahead | .11 | .21 | .62 |
| 14 - Often consumes things immediately rather than saving them | .13 | .09 | .57 |
| 16 - Seems to have a great need for change and excitement | .20 | −.13 | .83 |
| 19 - Does not like waiting | −.09 | .09 | .89 |
| 23 - Seems to get bored quickly | −.03 | .10 | .82 |
| 28 - Quickly gets tired of things and wants new things to happen all the time | −.13 | .00 | .97 |
| Cronbach’s alpha (α) | |||
| Total sample | .91 | .95 | .92 |
| Boys | .92 | .95 | .93 |
| Girls | .90 | .94 | .91 |
| 3-year-olds | .89 | .95 | .93 |
| 4-year-olds | .91 | .95 | .92 |
| 5-year-olds | .92 | .95 | .92 |
Factor loadings larger than .40 are in boldface. GD grandiose-deceitful factor; CU callous-unemotional factor; INS impulsivity-need for stimulation factor. The number preceding the item indicates the order in which it is administered in the CPTI