Sources of selection bias
{"Image DocumentName": "Sources of selection bias", "Image ImageDescription": "Selection on observables. Data. Linearity in controls? Selection on unobservables. Participants have latent attributes that yield higher/lower outcomes. Cannot judge if exogeneity is plausible without knowing whether one has dealt adequately with observable heterogeity. That depends on program, setting and data.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}