Table 3.
Phenotypic Correlations
| Measure | GPS | VCI | ACS | SCS | UPPS | PMQ | CFQ |
|---|---|---|---|---|---|---|---|
| General Procrastination Scale (GPS) | .89 | ||||||
| Volitional Components Inventory (VCI) | .66 | .92 | |||||
| Action Control Scale (ACS) | .61 | .59 | .77 | ||||
| Self Control Scale (SCS) | .51 | .48 | .39 | .88 | |||
| UPPS Impulsive Behavioral Scale (UPPS) | .44 | .40 | .30 | .69 | .88 | ||
| Prospective Memory Questionnaire (PMQ) | .54 | .46 | .44 | .49 | .44 | .91 | |
| Cognitive Failures Questionnaire (CFQ) | .52 | .47 | .48 | .46 | .41 | .67 | .90 |
Note: N = 633. All correlations are significant (p < .05). Reliabilities (Cronbach’s alpha) are shown on the diagonal in boldface type