The top-performing exercise intervention offered microrewards for returning to the gym after a missed workout¶

Claim · All claims
Evidence · 1 study · causal r? · q3
Currency · newest study 2021 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? Among the 54 interventions compared in the megastudy, the top-performing intervention offered microrewards for returning to the gym after a missed workout. → Kautz 2021

Evidence¶

Kautz 2021¶

Kautz, T., Milkman, K. L., Gromet, D., et al. as printed in full author line. (2021). Megastudies Improve the Impact of Applied Behavioural Science. Nature, vol. 600. https://www.mathematica.org/publications/megastudies-improve-the-impact-of-applied-behavioural-science doi:10.1038/s41586-021-04128-4

q3 · i? · causal · r?

Within the same 61,293-member fitness-chain megastudy comparing 54 interventions, the article identifies the winning programme: "the top-performing intervention offered microrewards for returning to the gym after a missed workout." No separate effect size for this specific intervention is printed in the available text.

"We show that 45% of these interventions significantly increased weekly gym visits by 9% to 27%; the top-performing intervention offered microrewards for returning to the gym after a missed workout."

Discussion¶

Related Claims¶

• Forecasts by impartial judges failed to predict which interventions would be most effective — related
• 45% of the 54 exercise interventions significantly increased weekly gym visits by 9% to 27% during the four-week intervention — related
• Only 8% of the exercise interventions induced behaviour change that was significant and measurable after the four-week intervention — related
• Among interventions that increased exercise during the intervention, carry-over effects were proportionally similar to previous research — related