Background and objectives Using multiple emotion regulation strategies in response to a single stressor—known as polyregulation—is an understudied but common event. The role of polyregulation in psychological disorders characterized by repetitive negative thinking (RNT) is unexplored, despite well-documented difficulties in emotion regulation and strong urges to avoid and escape one's intrusive thoughts in RNT. Methods Participants (N = 60) either had clinical levels of RNT (n = 15 with worries, n = 14 with ruminations, n = 16 with obsessions) or non-clinical levels of RNT (n = 15) and were exposed to their most personally distressing intrusive thought during an in-lab task. Proportional odds logistic regressions were used to test if RNT group and situation-level factors predicted greater polyregulation following the thought exposure. Multilevel regressions were used to test the short-term effectiveness of polyregulation on subjective distress and psychophysiological responding (heart rate, skin conductance). Results Ninety percent of participants reported using two or more strategies following intrusive thought exposure. Extent of polyregulation was not significantly predicted by RNT group, most situation-level factors, or short-term regulatory effectiveness. Endorsing a greater need to control one's intrusive thought did, however, predict use of more strategies. Limitations This is a secondary analysis in a small sample. Conclusion Given treatments for psychological disorders characterized by RNT attempt to disrupt the connection between a person's urge to control their distressing thoughts and efforts to escape or avoid those thoughts, continued investigation into the role of polyregulation in intrusive thinking may guide clinical intervention.
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