In the experiment people installed an app that would send them push notifications asking them how they felt throughout the day. Compliance was measure of how ma

In the experiment people installed an app that would send them push notifications asking them how they felt throughout the day. Compliance was measure of how many alerts were sent vs. how many got a reply. Median compliance was 72%. I wonder how you control for people not replying because they’re having a bad day. Edit: some reviews of the app used for the experiment hint at this bias [1] [1] https://itunes.apple.com/us/app/track-your-happiness/id867266105?ls=1&mt=8 https://itunes.apple.com/us/app/track-your-happiness/id86726...