Which of the following is used to estimate the number of items that should be added to a test to achieve a specified reliability?
A) KR 20
B) coefficient alpha
C) Spearman-Brown prophecy formula
D) split-half technique
Correct Answer:
Verified
Q53: Approximately what value must a reliability coefficient
Q54: What is the impact of carryover effects
Q55: The reliability of a difference score is
A)equal
Q56: Difference scores are created by
A)subtracting one test
Q57: The standard error of measurement allows us
Q59: Which of the following is a source
Q60: Items are probably measuring the same thing
Q61: What is the most useful indicator of
Q62: Explain how someone might decide how reliable
Q63: Describe some of the advantages and disadvantages
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