En Route to Depression: Self‐Esteem Discrepancies and Habitual Rumination

Dual‐process models of cognitive vulnerability to depression suggest that some individuals possess discrepant implicit and explicit self‐views, such as high explicit and low implicit self‐esteem (fragile self‐esteem) or low explicit and high implicit self‐esteem (damaged self‐esteem). This study investigated whether individuals with discrepant self‐esteem may employ depressive rumination in an effort to reduce discrepancy‐related dissonance, and whether the relationship between self‐esteem discrepancy and future depressive symptoms varies as a function of rumination tendencies. Hierarchical regressions examined whether self‐esteem discrepancy was associated with rumination in an Australian undergraduate sample at Time 1 (N = 306; M_age = 29.9), and whether rumination tendencies moderated the relationship between self‐esteem discrepancy and depressive symptoms assessed 3 months later (n = 160). Damaged self‐esteem was associated with rumination at Time 1. As hypothesized, rumination moderated the relationship between self‐esteem discrepancy and depressive symptoms at Time 2, where fragile self‐esteem and high rumination tendencies at Time 1 predicted the highest levels of subsequent dysphoria. Results are consistent with dual‐process propositions that (a) explicit self‐regulation strategies may be triggered when explicit and implicit self‐beliefs are incongruent, and (b) rumination may increase the likelihood of depression by expending cognitive resources and/or amplifying negative implicit biases.