On-page surveys explain ~30% of variance in checkout abandonment; behavioral event data explains ~70%.

On-page surveys explain ~30% of variance in checkout abandonment; behavioral event data explains ~70%.
From a regression on one mid-market retail funnel, R² decomposition.
Surveys tell you stated intent ("shipping was too high"); events tell you revealed behavior (where they actually dropped). Stated and revealed disagree often.
— Survey ▮▮▮ explanatory power
— Behavioral ▮▮▮▮▮▮▮ explanatory power
Use surveys to generate hypotheses, events to confirm them. Never ship a fix on stated-intent alone.
Read the number, not the story. [n=1 funnel · R² split]