Increasing variance within groups ____ the likelihood of finding a difference between the treatment conditions
a. increases
b. decreases
c. does not affect
d. increase, then decreases
b
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Which of the following is a problem in evaluating the agreement between observers in behavioral studies?
a. The observers are usually not trained. b. The behaviors being studied are usually not directly observable. c. There will always be some agreement by chance. d. There is no method for evaluating the agreement between observers.
Explain the difference between using narrative records versus checklists for data collection. What are the advantages and disadvantages of each method?
What will be an ideal response?
One advantage of Likert-type rating scale questions is that they produce numerical scores that can be evaluated with standard statistical methods such as computing means
a. True b. False Indicate whether the statement is true or false
The central assumption of Carl Rogers' client-centered therapy is that:
a. each person has the tendency and capacity to develop to his or her full potential b. psychotherapy must be freely available in community mental health centers c. we must struggle to overcome our basic human selfishness and hostility d. therapy should focus on real behavior, not vague thoughts and feelings