Differential Effects of Word-Repetition Rate on Cognitive Defusion of Believability and Discomfort of Negative Self-Referential Thoughts Postintervention and at One-Month Follow-Up
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Objective: The word repetition technique is used in acceptance and commitment therapy as a method of facilitating cognitive defusion from distressing thoughts. The present study conducted a randomised trial to manipulate the rate of word repetition and evaluate its impact on the efficacy of cognitive defusion. Method: Thirty-two participants repeated a self-chosen negative self-evaluative word for 30 seconds at the rates of one word per 0.5-, 1-, or 2-seconds. Visual analogue scales were used to measure the associated levels of believability and discomfort at pre- and immediately postrepetition, and 1 month later. Results: Both believability and discomfort were significantly reduced immediately after word repetition in the 0.5-seconds and 1-second conditions. There was a significantly greater reduction in Discomfort in the 1-second condition in comparison to the 2-second condition. The 1-second condition alone maintained significant reductions in both believability and discomfort at 1-month follow up. Conclusion: Differences in the cognitive defusion of distressing thoughts appear to be influenced by word repetition rate with repetition rates of one word per 0.5 and 1 seconds somewhat more effective for treating distressing private experiences associated with problem words.
KeywordsAcceptance and commitment therapy Cognitive defusion Word-repetition technique Psychological flexibility
Compliance with Ethical Standards
This research did not receive any grant funding.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants in the study.
Conflict of Interest
On behalf of all authors, the corresponding author states there is no conflict of interest.
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