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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What is the difference between public assistance programs and social insurance programs?
What will be an ideal response?
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.
Which of the following is a social insurance program?
A. Medicaid B. SSI C. Medicare D. TANF
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