The ______ is the difference between the largest and smallest scores in a set.
a. mean
b. variance
c. standard deviation
d. range
Ans: D
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According to the Sherifs’ studies of cohesion conducted with young boys attending summer camps
a. Liking between individual members causes cohesion, rather than cohesion causing liking between members. b. Groups that engage in positive, enjoyable activities tend to become cohesive. c. A group, to become cohesion, must sometimes ostracize the least-liked members. d. Highly stratified groups are more cohesive than groups with reciprocal, overlapping attraction patterns. e. The presence of subgroups, or cliques, within a group tends to increase the group’s overall cohesiveness.
A short, oblique (diagonal) line drawn through the continuous line in the cumulative record indicates
a. a pause in responding. b. a reinforced response. c. the occurrence of a response other than bar pressing. d. a bar press.
An author has just written a book about the person who first proposed the process of classical conditioning. The book would be about:
a. E. L. Thorndike b. B. F. Skinner c. Wilhelm Wundt d. Ivan Pavlov
Which of the following features do not contribute to the protection of the human eye?
a. the bony orbits b. tears c. the placement of the eyes toward the front d. blinking