In a study with a group of individuals being tested in a series of treatment conditions that extends over a relatively long time, it is possible that there will be systematic changes in the participants' physiology or psychology that occur during the time of the study. When these changes influence the participants' scores, causing scores at the end of the study to be different from scores at the
beginning, the effect is called ____.
a. history
b. instrumentation
c. maturation
d. regression toward the mean
c
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If the mean I.Q. score is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z-score (or standard score) of
a. 1.00. b. 0.00. c. 2.00. d. 2.00.
Why are so many affluent youths troubled?
What will be an ideal response?
Individuals with Type A personality tend to
a. become aggressive and hostile when frustrated. b. work near maximum capacity when a deadline approaches, and below maximum capacity when no deadline is approaching. c. report significant fatigue and physical complaints. d. none of the above
If you asked 4-year-old Keisha to describe herself, which of the following is she most likely to say?
A) "I am friendly." B) "I am smart." C) "I am helpful." D) "I do not like bugs."