A teacher announces that there will be pop quizzes throughout the semester. What is this an example of?
a. a variable ratio schedule c. a fixed interval schedule
b. a fixed ratio schedule d. a variable interval schedule
D
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Electrical stimulation of its lateral hypothalamus causes an animal to overeat and become obese. Therefore, we would expect that lesioning the lateral hypothalamus would produce
a. overeating and obesity. b. undereating and weight loss. c. no effect on eating or body weight. d. alternating periods of overeating and undereating.
Amy accidentally hit her elbow against the edge of a wall. Amy's mother rushed to her and rubbed the affected elbow. Amy's pain subsided. Which theory would best explain this incident?
A) The signal-detection theory B) The place theory C) The gate theory D) The opponent-process theory
Children born by means of assisted reproduction technologies grow up with
a. more emotional and behavioral problems than other children. b. less developed social skills and fewer friends than other children. c. few emotional and behavioral problems. d. diminished senses of self.
This study would be classified as _____ research
(a) experimental (b) correlational (c) anecdotal (d) attributional