Effects of Previous Fruit Intake, Descriptive Majority Norms, and Message Framing on Fruit Intake Intentions and Behaviors in Dutch Adults Across a 1-Week Period.

Objective: To test the effects of descriptive norm and message framing on fruit intake (intentions) in Dutch adults.

Design: Randomized pretest-posttest study using a 2 × 2 design.

Setting: Internet-based.