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The purpose of this meta-analysis was to examine the Köhler motivation effect in partnered dyads (conjunctive task structure) during exercise. This preregistered meta-analysis followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and included 19 (total sample size N = 1,912) primary, peer-reviewed research articles that have reported the effectiveness of the Köhler effect paradigm (with a no-partner control condition) in exercise tasks on the outcome variable of intensity or persistence of effort. The overall motivation gain effect was statistically significant, (SE = 0.12), suggesting a significantly higher performance gain in conjunctive partnered exercise groups compared with individual exercise. The large effect was moderated by the performance-dependent variable (persistence and intensity), mean participant age, and exercise partner type (human and software generated). There appears to be strong support for the Köhler motivation gain paradigm as a potential to help individuals improve their effort in exercise settings.
Hill https://orcid.org/0000-0003-3121-7723
Ahn https://orcid.org/0000-0003-2581-306X
Feltz https://orcid.org/0000-0003-1191-4863
Samendinger (sfs62@drexel.edu) is corresponding author, https://orcid.org/0000-0003-0890-4322