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10 cards from this deck
Consistency of findings from research or measuring instruments
Whether a test produces consistent results over time
Correlation of +0.80 or higher indicates good reliability
Extent of agreement between two or more observers
Agreement rate above +0.80 shows high reliability
Items within a test are consistent with each other
Use closed, fixed-choice questions to reduce ambiguity
Use same interviewer or structured interviews with fixed questions
Strict control allows precise replication of methods
Make them measurable, non-overlapping, and comprehensive
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