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Directional Asymmetry Without Timescale Dependence: Longitudinal Associations Between Procrastination and Depressive
Rong Zhang1, Huaxian Tan2, Lin Wang2
1School of Mental Health and Psychological Sciences, Anhui Medical University, Hefei, China, ahmu.edu.cn.
Procrastination consistently predicts increases in depressive symptoms across various timescales, with no evidence of distinct mechanisms at different time intervals. This suggests a modest, unidirectional link rather than a reciprocal feedback loop.
Area of Science:
- Psychology
- Behavioral Science
- Longitudinal Studies
Background:
- Longitudinal research on procrastination and emotion dynamics exists across various timescales.
- It is unclear if findings at different timescales reflect distinct underlying mechanisms.
- An emotion-regulation account guided the study's hypotheses.
Purpose of the Study:
- To test if the coupling between procrastination and depressive symptoms varies across temporal scales.
- To investigate if negative emotions predict procrastination more strongly at shorter intervals.
- To determine if procrastination predicts increases in depressive symptoms over longer intervals.
Main Methods:
- Integrated three longitudinal datasets (daily, 1-month, half-yearly).
- Compared timescale-variant versus timescale-invariant models for within-person lagged effects.
- Reported directional paths based on the better-fitting model.
Main Results:
- The timescale-invariant model was favored over the timescale-variant model.
- Depressive symptoms showed negligible effects on subsequent procrastination across timescales.
- Procrastination consistently predicted increases in depressive symptoms across timescales.
Conclusions:
- No evidence for temporally distinct mechanisms in procrastination-emotion dynamics was found.
- A modest, directional asymmetry exists, with procrastination impacting depressive symptoms.
- Findings suggest procrastination has consistent, small effects on depressive symptoms, not a reciprocal loop.
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