In a Five-Year Weight Loss Study, Half of the Significantly

Multiple Choice

In a five-year weight loss study, half of the significantly overweight participants weighed themselves once a week, while the other participants never weighed themselves. All of the participants had the same diet and exercise plan. After five years, the individuals who weighed themselves once a week maintained their weight loss much more often than those who did not.
Which of the following, if true, most helps to explain the study's finding?

A) The group who weighed themselves was more likely to avoid fattening foods.
B) Participants who weighed themselves found it motivational to see their progress, and thus were less likely to cheat on their diet and exercise plans.
C) While weight loss was drastic in the first year, in subsequent years many participants in both groups gained the weight back.
D) Participants weighed themselves much more often in the beginning of the study than at the end.
E) All of the participants lost weight in the study.