Question What is TRUE about group exercise? (1 point) Responses It gained popularity in the 1980s with the aerobics craze. It gained popularity in the 1980s with the aerobics craze. It is generally less effective for people than exercising alone. It is generally less effective for people than exercising alone. It is most successful when negative social reinforcement is used. It is most successful when negative social reinforcement is used. It was created by Otto Kohler in Germany in the 1920s.

It gained popularity in the 1980s with the aerobics craze.