__________ is a common method to determine friendship dyads in older children and

The actual amount of a disease that can be attributed to exposure to a particular risk factor is called the:

A) prevalence ratio. B) incidence-prevalence ratio. C) attributable risk. D) relative risk.

What is the name of the "fifth stage of cognitive development" that many theorists believe applies to young adulthood?

A) Formal operational thought B) Postformal thought C) Postcognitive thought D) Postrelative thinking