| Field | Before | After |
|---|---|---|
| Field Trial Status | Before in_development | After completed |
| Field Last Published | Before December 14, 2016 05:31 AM | After April 07, 2025 10:01 AM |
| Field Study Withdrawn | Before | After No |
| Field Intervention Completion Date | Before | After April 10, 2017 |
| Field Data Collection Complete | Before | After Yes |
| Field Final Sample Size: Number of Clusters (Unit of Randomization) | Before | After 2 clusters (control and treatment group) |
| Field Was attrition correlated with treatment status? | Before | After No |
| Field Final Sample Size: Total Number of Observations | Before | After 2463 individuals |
| Field Final Sample Size (or Number of Clusters) by Treatment Arms | Before | After 1232 individuals control group, 1231 individuals treatment group |
| Field Is there a restricted access data set available on request? | Before | After Yes |
| Field Restricted Data Contact | Before | After [email protected] |
| Field Program Files | Before | After No |
| Field Data Collection Completion Date | Before | After July 01, 2017 |
| Field Is data available for public use? | Before | After No |
| Field Keyword(s) | Before Health | After Health |
| Field Building on Existing Work | Before | After No |
| Field | Before | After |
|---|---|---|
| Field Paper Abstract | Before | After In a randomized field experiment, we show that a low-cost intervention, weekly email reminders, increases the weekly exercising frequency of gym members by 13%, with the effect being larger for class training (19%) than for free training (11%). We find that nearly all types of individuals benefit from the reminders (e.g., students, nonstudents, women, men, new members, recurring members), and this effect persists in a three-month posttreatment period. Furthermore, the increase in class visits is partly driven by an increase in the number of bookings of gym classes and a slight decrease in the share of bookings that are canceled. Limited attention and habit formation can best explain these results. In contrast to the increase in gym attendance, we do not find any effect on the duration and renewal of membership contracts. |
| Field Paper Citation | Before | After Habla, W., Muller, P. Experimental evidence of limited attention at the gym. Exp Econ 24, 1156–1184 (2021). |
| Field Paper URL | Before | After https://doi.org/10.1007/s10683-020-09693-5 |