Which is NOT a barrier that prevents teens from being physically active? Lacks parent support or peer approval.

Has access to all fitness and sports equipment.

Feels exercise is boring or has excuses why they can't.

Is self-conscious about exercising in front of others.

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.