Indexes are useful when measuring complex concepts that have multiple dimensions.
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Q51: A researcher that carefully crafted her response
Q52: Interitem reliability cannot be computed if only
Q53: A reliable measure is not always a
Q54: Reliability is the same thing as consistency.
Q55: An index can increase both reliability and
Q57: Ratings given by an observer, rather than
Q58: Say that you wanted to know about
Q59: What does it mean for a fixed-choice
Q60: Criterion validity can be established when the
Q61: Define what researchers mean by reliability. Then
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