Key result
Direct measures of interpretation bias correlated more strongly with depressive symptoms than indirect measures, with only the Scrambled Sentences Task explaining unique variance.
Why the study?
Measures of interpretation bias are often used interchangeably, but little is known about the relationship between these measures and their associations with depressive symptom severity.
Do different interpretation bias tasks measure the same cognitive process and correlate similarly with depression severity in undergraduate students?
Cross-Sectional (n=82)
Do different interpretation bias tasks measure the same cognitive process and correlate similarly with depression severity in undergraduate students?
Interpretation bias tasks may not measure the same cognitive process, and direct measures like the Scrambled Sentences Task are more reliably associated with depression severity.
Interpretation bias tasks should not be treated as interchangeable in depression research; challenges consensus on equivalence and leaves optimal task selection open.
This study aimed to examine the convergence among interpretation bias measures and their associations with depressive symptom severity. Research into interpretation biases employs measures of interpretation bias interchangeably, however, little is known about the relationship between these measures. Participants (N = 82 unselected undergraduate students; 59 female) completed four computer-based interpretation bias tasks in a cross-sectional design study. Indirect measures, based on participants' reaction times, were not correlated with each other and had poor split-half reliability. Direct measures were more strongly correlated with depressive symptoms than indirect measures, but only the Scrambled Sentences Task explained a reliable unique portion of the variance in depressive symptoms. Interpretation bias tasks may not measure the same cognitive process and may differ in the extent to which they are a cognitive marker of depression-linked interpretation bias. These findings help to improve the measurement of and theory underlying interpretation bias and depressive symptoms.
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O’Connor et al. (2021) conducted a cross-sectional in Depressive symptoms (n=82). Interpretation bias measures (direct and indirect tasks) was evaluated on Convergence among interpretation bias measures and associations with depressive symptom severity. Direct measures of interpretation bias correlated more strongly with depressive symptoms than indirect measures, with only the Scrambled Sentences Task explaining unique variance.
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