When looking at a list of students' test scores, the teacher notices that one test score is extremely lower than the majority of the scores. This is known as a(an):
a. outer point
b. median
c. range
d. outlier
d
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What percentage of their waking time, between September and June, do children spend in school or school-based activities?
a. 10 b. 25 c. 35 d. 50 e. 70
A researcher is interested in the fewest number of variables that have the biggest impact, or account for the largest amount of the variance. The researcher will likely employ
a) Component analysis b) Common factor analysis c) Q factor analysis d) R factor analysis
Using Schwitzer's inverted pyramid method of case conceptualization, organizing client difficulties into intuitive or logical groupings is:
a. Step 1 b. Step 2 c. Step 3 d. Step 4
Aptitude tests are not very good at achieving differential prediction because
a. they lack psychometric rigor. b. they do not have high levels of validity. c. they have high levels of reliability. d. the sample does not always match the population.