According to Piaget, determining that the length of the string is the solution to the pendulum problem and being able to provide a rationale are hallmarks of hypothetical-deductive reasoning, which is indicative of ____

The two principal criteria used to evaluate a classification system like DSM-5 are

a. reactivity and sensitivity. b. reliability and validity. c. inclusiveness and disclusiveness. d. cultural specificity and cultural universality.

The Big 5 personality traits were discovered using____

Fill in the blank(s) with the appropriate word(s).