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. 2018 Jan 5;13(1):e0190806. doi: 10.1371/journal.pone.0190806

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