| Field | Before | After |
|---|---|---|
| Field Trial Title | Before Using an Artificially Intelligent, Mobile-Based App to Improve the English Skills and Labor Market Outcomes of Rural Youth in China | After Using an Artificially Intelligent, Mobile-Based App to Improve the English Skills and Labor Market Outcomes of Youth in China |
| Field Last Published | Before October 19, 2021 01:58 PM | After October 19, 2021 06:25 PM |