According to Kohlberg, what percent of the population is estimated to reach the postconventional level of morality?

According to Dr. Lyles, a victim of significant trauma who develops PTSD can have good prognostic variables within his/her background.

a. true b. false

A test has a high degree of validity if it

A) measures or predicts what it is supposed to measure or predict. B) yield consistent results every time it is used. C) produces a normal distribution of scores. D) has been standardized on a representative sample of all those who are likely to take the test. E) assesses aptitude and achievement accurately