Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41239-021-00314-6/MediaObjects/41239_2021_314_Fig3_HTML.png)
Gamification’s effect (compared to no gamification) over time, based on effect sizes estimated from differences in behavioral outcomes. Error bars represent the 95% confidence intervals estimated from effect sizes
Gamification’s effect (compared to no gamification) over time, based on effect sizes estimated from differences in behavioral outcomes. Error bars represent the 95% confidence intervals estimated from effect sizes