In the United States and Canada, _____________ of all children between the ages of 5 and 14 have been involved in organized sports at least once

A person's __________ age refers to the amount of time (in years and months) that has passed since they were born

a. cross-sectional b. sequential c. chronological d. developmental

Approximately _______ percent of gay men report anodyspareunia during receptive anal sex

A) 14 B) 30 C) 50 D) 70