Bess Conducts a Study About the Effects of a New

Multiple Choice

Bess conducts a study about the effects of a new weight loss program for women.She finds that the new program helps a significant number of her participants lose between one and three pounds over the first six months.Her statistical analysis reveals that the results of her study are statistically significant.What can be said about the practical significance of her study?

A) The study did not use a long enough timeframe to be able to demonstrate practical significance, regardless of the statistical significance.
B) Because the study only used female participants, it does not have practical significance in the real world.
C) Even though the results are statistically significant, the relatively minimal weight loss shown by the participants reveals that her program is not practically significant.
D) Because her study showed better results for those in the program than those not in the program, her study shows strong practical significance.