Juan has been part of a postoperative cardiac exercise program since suffering a major heart attack six months ago. Although he no longer needs to attend, he continues to participate in the program because he enjoys the friendships he developed with other program participants. Juan's participation reflects which psychological benefit of physical activity

Nita is the office manager at a service station. two applicants, max and tim, arrive to interview for the open mechanic's position. max's clothes are dirty, his hair is unwashed, and he doesn't make eye contact when he gives nita his name. tim dresses in clean jeans and a nice shirt, is shaved, and shakes nita's hand when he introduces himself. after the interview, keith the head mechanic, asks nita what she thought. both men have the skill set needed for the position. nita recommends tim. she is responding to her perception of