Here are the answers to your questions:
Question 1: What is TRUE about group exercise?
Answer: It gained popularity in the 1980s with the aerobics craze.
Question 2: Bruno loves CrossFit. He especially enjoys the WOD. What does this MOST likely mean for Bruno?
Answer: He likes to do the workout of the day.
Question 3: When Mariah giggles, her parents clap and smile. This makes Mariah giggle again to win their attention. What does the clapping and smiling of Mariah's parents BEST demonstrate?
Answer: reinforcement
Question 4: When Ian hits a home run, all of his teammates greet him to give him high fives and cheers after he crosses the plate. What does this scenario BEST demonstrate?
Answer: social reinforcement
Question 5: When Teodora gets up early to complete a 3-mile run, she always feels more energized for the rest of the day. What does this scenario BEST represent?
Answer: automatic reinforcement
Question 6: At the end of lacrosse practice, the team runs sprints. Enzo always finishes in last place. Although he feels disappointed that he is the slowest person on the team, he vows to work even harder to increase his speed throughout this season. What does this scenario BEST represent?
Answer: positive automatic reinforcement
Feel free to ask if you have any more questions!