Table 4. Internal consistency and correlations between the IPS and other measures of procrastination, personality traits and satisfaction with life.
| Measure | Cronbach’s alpha | Uncorrected rxy |
Corrected for unreliability rx’y’ |
|---|---|---|---|
| DPQ | .90 | .69 | .62 |
| BFI-Extraversion | .84 | −.24 | −.21 |
| BFI-Agreeableness | .68 | −.22 | −.17 |
| BFI-Conscientiousness | .82 | −.72 | −.62 |
| BFI-Neuroticism | .85 | .24 | .21 |
| BFI-Openness | .81 | −.06 | −.05 |
| SWLS | .86 | −.36 | −.32 |
DPQ: Decisional Procrastination Questionnaire; BFI: Big Five Inventory; SWLS: Satisfaction With Life Scale