Which behavioral assumption has the LEAST amount of research to support it?

Does anyone have an answer to this question? if so me.

Wheeled coach ambulance uses an interactive computer program to develop and document its products. what is it called?

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction