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Questions and Answers
What does a reliability coefficient of r=.85 mean?
What does a reliability coefficient of r=.85 mean?
- 85% of variability in observed scores is due to measurement bias
- 85% of variability in observed scores is due to random error
- 85% of variability in observed scores is due to sampling error
- 85% of variability in observed scores is presumed to represent true individual differences and 15% of variability is due to random error (correct)
What is the range for moderate reliability?
What is the range for moderate reliability?
- 0.81-1.00
- 0.00-0.04
- 0.61-0.80
- 0.41-0.60 (correct)
What does stability refer to in the context of reliability?
What does stability refer to in the context of reliability?
- The degree to which items on a questionnaire measure a particular variable
- The extent that the instrument yields the same result on repeated measures
- The consistency with which a measuring instrument yields a certain, consistent result
- The degree to which an instrument generates similar findings from the same group of individuals on different occasions (correct)
What does internal consistency measure?
What does internal consistency measure?
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What does equivalence assess in the context of reliability?
What does equivalence assess in the context of reliability?
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What does intra-rater reliability assess?
What does intra-rater reliability assess?
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What does inter-rater reliability assess?
What does inter-rater reliability assess?
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What is the analogy used to describe reliability?
What is the analogy used to describe reliability?
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What does a reliability coefficient of r=0.90 indicate?
What does a reliability coefficient of r=0.90 indicate?
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What is the range for very strong reliability?
What is the range for very strong reliability?
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