Let’s go with A ..that must be the answer
They would be used for your abbs
D- hip pedometer need to be attached on the waist
only do something dangerous and health risking on your days off
3 Positive reinforcement is most effective when it occurs immediately after the behavior. Reinforcement should be presented enthusiastically and should occur frequently. Deliver reinforcement quickly: A shorter time between a behavior and positive reinforcement makes a stronger connection between the two