Correlational research provides information about causality among two or more variables

Posttraumatic stress disorder (PTSD) involves symptoms that ________.

A. are either long-lasting or have a delayed onset B. occur within four weeks of the traumatic event C. are less severe than those of acute stress disorder D. are immediate

Which of the following statements is TRUE regarding the relation of parenting and self-control?

a. Children with very strict parents have higher levels of self-control. b. Children whose parents do not encourage independence have greater self-control. c. Children whose parents encourage them to make their own decisions have more self-control. d. Children whose parents "overcontrol" them have higher levels of self-esteem.