10
votes
0answers
177 views

Longitudinal mobile mood tracking app with random reminders

The goal is to take simple measurements of mood using Likert scale over an extended period of time (e.g. two months). I know there is a large number of mobile apps for tracking mood on every ...
11
votes
1answer
246 views

What is a validated single-item measure of mood?

Has anyone validated, proposed or tested a single-item state-based positive affect or happiness measure? I am particularly interested in something for tracking mood every day.