In the past, researchers tended to report that African American families were pathological and weak in comparison with that of whites; this reflected a bias rather than actual fact about these families
Indicate whether the statement is true or false
True
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Refer to Exhibit 6-1. Chris is studying medicine
a. Nominal c. Interval b. Ordinal d. Ratio
A student received a score of 85 on a classroom test where the mean was 70 and the standard deviation was 10 . The test was found to have a reliability coefficient of .64 . Which of the following statements would correctly express the accuracy of the student's obtained score? There are
a. 50 chances out of 100 that the true score is included by the range of scores from 72 to 78. b. 68 chances out of 100 that the true score is included by the range of scores from 75 to 95. c. 68 chances out of 100 that the true score is included by the range of scores from 79 to 91. d. 75 chances out of 100 that the true score is included by the range of scores from 79 to 91. e. 95 chances out of 100 that the true score is included by the range of scores from 79 to 91.
The correlation between two equivalent forms of an objective test administered in immediate succession enables one to determine the proportion of error variance due to
a. item homogeneity. b. temporal fluctuation. c. item sampling. d. scorer reliability. e. a and b
The largest proportion of a journal article is devoted to
a. problem and hypothesis. c. methodology. b. literature review. d. results and discussion.