| Summary: | 碩士 === 國立臺灣大學 === 心理學研究所 === 100 === Both impaired emotion regulation and difficulties inhibiting negative material have been found to be associated with depression (Joormann & Goltib, 2010). Therefore, the aim of the current research was to investigate how the interplay of emotion regulation strategy and dysphoric mood would influence individual’s performance on the affective negative priming task under negative mood induction. Ninety-three subjects were induced negative mood by mood induction task, and then they were randomly assigned to one of the two emotion regulation conditions (analytic/experiential rumination group). Subsequently, all the subjects undertook the affective negative priming task. Forty-six participants qualified for formal data analysis were those whose total score of Beck Depression Inventory (BDI) ≧ 14 (to be dysphoric group) and BDI ≦ 5 (to be nondysphoric group).The data analysis was divided into two parts. Firstly, a 2 (dysphoric/nondysphoric group) × 2 (analytic/experiential rumination) × 2 (emotion regulation: before/after) three way ANCOVA was conducted with pre-test scores as covariate and with positive/negative mood scores at time point 3 as the dependent measures. In addition, with negative priming effect as a dependent measure, a 2 (dysphoric/nondysphoric group) × 2 (analytic/experiential rumination) × 2 (valence of words: positive/negative) mixed design was performed. The results showed that a significant effect on mood recovery was found, regardless of the participants’ dysphoric mood or the emotion regulation strategy they used. Furthermore, there was no significant difference for the high dysphoric experiential rumination group in processing positive vs. negative material under negative mood induction. In addition, compared to the high dysphoric experiential rumination group, when processing positive material, the high dysphoric analytic rumination group revealed a significant negative priming effect. The above results indicated that using analytic rumination as emotion regulation strategy could make it difficult for the high dysphorics to retrieve positive memories, which were consistent with prior research. Taken together, these findings suggested that both emotion regulation strategy and dysphoric mood should be taken into account when investigating the differences regarding how individuals dealing with positive vs. negative material. Furthermore, our research revealed that even the high dysphorics considered that they already recovered from the depressive mood, they still inhibited positive material during their cognitive processing. The implications of the present findings and future research possibilities are discussed.
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