The Spearman-Brown formula is used:
A) to correct a test-retest reliability coefficient.
B) to correct a split-half reliability coefficient.
C) when the items are all of the same difficulty level.
D) when the items are of differing levels of difficulty.
Correct Answer:
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Q3: Correlation coefficients range from:
A)-1.0 to 1.0.
B)0
Q4: According to classical test theory, if the
Q5: The decision to use either the Kuder-Richardson
Q6: In evaluating an instrument's reliability, a counselor
Q7: Systematic error (as compared to unsystematic error):
Q9: What is the most appropriate way to
Q10: A correlation coefficient is an indicator of:
Q11: If the reliability coefficient of an instrument
Q12: Which of the following is NOT one
Q13: The statistic that represents the percentage of
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