Measures of variability are important for quantitative analysis because they determine the extent to which scores of a value vary or disperse from measures of central tendency
For instance, a group of
five students may take a research methods exam and the scores may be 75, 82, 84, 88, and 93. Thus
the dispersion in scores is from 75 to 93, and the mean score is 84.4%. Which statistic is not a
measure of variability?
a) Standard deviation
b) Mean
c) Range
d) Variance
b
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A mother and her baby sleep in the same bed together. They are most likely
a. African-American. b. Eurasian. c. Middle Eastern. d. Korean.
Research on expressed emotion can be helpful to clinicians because it:
a) Draws attention to family interactions b) Alerts them to potential interpersonal stressors c) Can help families reduce criticism, hostility, and overinvolvement d) All of the above
Which of the following is a social insurance program?
A. Medicaid B. SSI C. Medicare D. TANF
What is the difference between public assistance programs and social insurance programs?
What will be an ideal response?