For the majority of the items in any given test, the difficulty index
should be kept at approximately
a. .99
b. .50
c. .01
d. none of these, since item difficulty is not a quantifiable value.
b
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In the WAIS-IV, a full-scale IQ is obtained by
a. multiplying verbal and nonverbal scores. b. dividing verbal scores by age and multiplying by 100. c. adding scores of the various scales. d. adding weighted scores of various scales.
In understanding abnormality, which of the following statements is FALSE?
a. Nonconformity does not always indicate a disorder, and conformity is not a sure sign of mental health. b. Within a culture, a behavior may be defined as abnormal in one situational context but not another. c. Behaviors defined as abnormal in one culture are, by definition, abnormal in all cultures. d. In all cultures, a consistent failure to communicate or behave predictably is considered abnormal.
Cells from the ectoderm of the developing embryo that do not develop into nervous tissue, develop into
A. muscle and bone. B. connective tissue. C. skin. D. internal organs.
The range is the best measure of variability to calculate for what kind of data?
a. Nominal and ordinal b. Ordinal or interval and ratio with outliers c. Interval and ratio with no outliers d. Qualitative