Robert lightly taps the student sitting in front of him on the shoulder. The student doesn't notice, so Robert taps harder. The minimum pressure Robert must tap such that the other student notices half of the time is called:
A) the absolute threshold.
B) the just noticeable difference.
C) Weber's law.
D) the relative threshold.
A) the absolute threshold.
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a. Roger's person-centered theory. b. Maslow's theory of self-actualization. c. Adler's individual psychology. d. Bandura's social-cognitive theory.
Individuals with bulimia nervosa may also have symptoms of ____
a. schizoaffective disorder c. posttraumatic stress disorder b. panic attacks d. depressive disorders
A change in behavior simply as a result of earlier experience in the study is a threat to _________validity
a. internal b. external c. construct d. statistical
In the majority of cases, the cause of mental retardation is ______
a. clearly identified genetic abnormalities b. unknown c. poor prenatal nutrition d. prenatal drug abuse by the mother