Table 1.
Pattern Matrix and Communalities for PCA of 21-item OCYC.
| Factors | |||||
|---|---|---|---|---|---|
| Item | I | II | III | r | Communalities |
| Factor I: Inflexibility/Frustration (Eigenvalue=6.19, 29.46% variance explained) | |||||
| 4. Gets upset or has trouble when plans change at short notice | .727 | −.082 | .084 | .601 | .486 |
| 20. Is easy-going and flexible (R) | .663 | −.062 | .068 | .563 | .409 |
| 2. Finds schedule changes more difficult than peers (e.g., difficulty adjusting to school transition, changes at home or in the family) | .635 | −.014 | .201 | .563 | .444 |
| 16. Becomes upset if things don’t go how s/he thinks they should | .616 | .019 | −.044 | .567 | .393 |
| 19. Becomes very upset if criticized or given suggestions on how to do things differently | .564 | .271 | −.086 | .682 | .558 |
| 3. Gets frustrated when s/he can’t seem to get it right the first time (e.g., when solving a puzzle, when completing a math problem) | .550 | .052 | −.189 | .528 | .365 |
| 23. Is rigid in his/her way of doing things | .539 | .196 | .049 | .587 | .441 |
| 14. Wants things done his/her own way (i.e., wants to play his/her way, wants to make the rules) | .531 | .162 | −.191 | .577 | .430 |
| 8. Has difficulty taking suggestions or receiving help from parents or peers | .487 | .174 | −.103 | .559 | .365 |
| Factor II: Social concern/Perfectionism (Eigenvalue=1.97, 9.37% variance explained) | |||||
| 6. Frequently compares his/her abilities with that of peers and siblings | −.20 | .713 | −.03 | .482 | .403 |
| 17. Pays a lot of attention to how s/he does things compared with others | −.131 | .701 | −.029 | .551 | .425 |
| 21. Gets mad at him/herself when s/he makes a mistake, especially in front of others | .153 | .620 | .083 | .598 | .507 |
| 18. Becomes upset when s/he thinks s/he has done poorly on something | .099 | .467 | −.009 | .504 | .227 |
| 25. Often feels not good enough compared with peers or siblings | .167 | .458 | .034 | .474 | .317 |
| 15. Looks for reassurance that s/he has done well or done the right thing more than siblings or other kids his/her age | .087 | .440 | .077 | .423 | .244 |
| 10. Is concerned with doing things just right (e.g., hair parted the right way, food on plate certain way) | .170 | .407 | .037 | .482 | .266 |
| 7. Often thinks there is only one right way to do things | .283 | .388 | −.009 | .478 | .345 |
| 24. Becomes upset when others don’t follow the rules | .146 | .316 | .036 | .375 | .169 |
| Factor IIII: Behavioral inhibition (Eigenvalue=1.68, 8.01% variance explained) | |||||
| 13. Is quiet and uncertain in new situations | .123 | .060 | .678 | .489 | .487 |
| 1. Is shy/hesitant when meeting new children | .021 | .026 | .671 | .560 | .450 |
| 22. Likes being the center of attention (R) | −.142 | −.007 | .510 | .365 | .277 |
Note: Items 5, 9, 11, and 12 were deleted prior to final analysis; major loadings for each item are bolded; r= Corrected correlation between the item and its’ subscale.