New tools that make it easier for individuals to get feedback about their individual resource consumption are called

Donna, who has engaged in little exercise in the past decade, wants to offset both the excess weight and muscle loss of middle adulthood. She should engage in

A) weight-bearing exercise that includes resistance training. B) endurance training that focuses on raising heart rate. C) an individual exercise program instead of a group program. D) intense, vigorous activity at the onset of her exercise program.

The main advantage of a survey is that

a. only a small number of subjects need to be accessed. b. a large amount of data can be gathered. c. the chance of experimenter error is removed. d. subjects will not know if they are part of a control or experimental group.