Which of the following is the correct null hypothesis for an independent-measures t test?
A) ??1 - ?2 = 0
B) ?M1 - M2 = 0
C) ?1 - ?2 ? 0
D) M1 - M2 ? 0
A
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Stimulus discrimination training can occur as a result of:
a. reinforcement b. punishment c. extinction d. all of these
Thirty years ago, it took Margie ten hours to learn how to ride a bike. She has not ridden a bike since then. Now she is relearning how to ride a bike, but this time, it takes her only five hours. Because it took her less time to relearn the skill than to learn it initially, Margie is demonstrating ____.?
a. ?the recency effect b. ?savings c. ?retroactive inhibition d. ?proactive inhibition
A commonly used instrument to measure a person's need for power and affiliation is the:
a. Rorschach b. Thematic Apperception Test c. Employee Personality Inventory d. Wonderlic Personnel Inventory
Piaget's theory applies to such topics as
a. predicting cognitive developmental gains in college students. b. exploring gender differences in cognitive development. c. creating lesson plans for first grade students. d. designing high school curricula for gifted and talented students.