Which of the following reflects the importance of eating breakfast? a. People who eat breakfast frequently have a lower BMI than those who avoid breakfast. b. Skipping breakfast reduces energy intake and causes weight loss. c. The "dinner diet" has proven more effective than the "breakfast diet." d. Eating breakfast just once each week has the same benefits as eating breakfast every day. e. People who skip breakfast have lower daily energy intakes than breakfast eaters.

"six months ago, several of molly's friends joined the trimtime fitness center. each of them participated in trimtime's weight-reduction and fitness regimen. all reported substantial weight reduction, and all are visibly slimmer. molly is convinced. she joins trimtime and enrolls in the program, hoping and expecting to see the same results. she is especially delighted to learn that trimtime had adjusted its program to make it even more effective in a shorter period of time." what is the feature in question/attribute of interest in this argument?