Cause-and effect relationships regarding human behavior are determined through the use of which of the following research methods?
A. Case study
B. Correlational study
C. Experimental study
D. Nonexperimental study
C. Experimental study
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You are watching a rat pressing a lever in a Skinner box to obtain food pellets. The rat is pressing the lever at a very high rate and does not stop, even when a food pellet is delivered. In this example, the reinforcement schedule that is in place is MOST likely
a. a fixed-interval schedule. b. a variable-ratio schedule. c. a fixed-ratio schedule. d. a variable-interval schedule.
How common are the anxiety disorders among adults in the United States?
A. Anxiety disorders are the most common mental disorder. B. Anxiety disorders are the second most common mental disorder. C. Anxiety disorders are the third most common mental disorder. D. Anxiety disorders are the fourth most common mental disorder.
The node "dog" would likely be included as a subset of the node:
A. "collie" B. "spaniel" C. "mammal" D. "four legs"
Which of the following is a somatic symptom disorder?
a. generalized anxiety disorder b. dissociative identity disorder c. functional neurological symptom disorder (conversion disorder) d. depersonalization disorder