Erectile dysfunction is a disorder involving

Researchers have found over one-third of men and women in their 70s still masturbate

Indicate whether the statement is true or false.

Which of the following type of paradigm typically allows for subject variables to be equally distributed, given that there are enough participants who are also randomly assigned to conditions of the experiment?

A) Matched subjects design B) Within-subjects design C) Between-subjects design D) Factorial design