In contrast to computer administered and written questionnaires, face-to-face interviewing is relatively

According to the text, many studies find that boys are more athletic than girls during middle childhood. Research suggests that the major reason for this difference is:

a. much greater muscle mass in boys than girls, even before puberty b. the male growth spurt occurs a few years earlier for boys than girls, giving them greater strength as well as size c. opportunity and expectations about athletic activities are greater for boys than girls d. brain growth occurs much earlier for boys, giving them much better fine and gross motor control than girls during middle childhood

Which of the following allows for each set of stimuli to be presented in a different

sequence for each group? A) between-subjects design B) Latin-square design C) within-subjects design D) matched subjects design