According to the self-determination theory, a personal trainer would be most effective in helping a new client engage in an exercise regimen by _____.
a. instructing him/her to walk/jog 3 days per week for 20-30 minutes at his/her training heart rate
b. instructing him/her to bicycle 5 miles to work and back 5 days per week at a moderate pace
c. encouraging him/her to take a 45 minute step-aerobics class 3 days per week in a supportive group environment
d. encouraging him/her to choose a favorite mode of exercise in a supportive group environment that meets regularly
Answer: d. encouraging him/her to choose a favorite mode of exercise in a supportive group environment that meets regularly