Which of the following might be a sign of a fad diet? A.
Diets that eliminate food groups
B.
Diets that severely restrict caloric intake
C.
Diets that require a weight loss aid or pill
D.
All of the above

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.