The time period of emerging adulthood is more likely to be seen in ____

The most central question used to assess the quality of a psychological measure is its

A) objectivity. B) readability. C) reliability. D) validity.

The "school of hard knocks" (learning important lessons via repeated failures) is only

likely to be successful if a. the school uses ratio schedules of reinforcement. b. the school uses interval schedules of reinforcement. c. successes sometimes occur between the failures. d. a few successes occur early. e. there are long stretches of failure and no successes.