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Questions and Answers
The test-retest method is used to assess the stability of a measure by administering the test to different samples on different occasions.
The test-retest method is used to assess the stability of a measure by administering the test to different samples on different occasions.
False
Internal reliability refers to the consistency of indicators within a scale or index.
Internal reliability refers to the consistency of indicators within a scale or index.
True
Inter-observer consistency is primarily concerned with the stability of measures over time.
Inter-observer consistency is primarily concerned with the stability of measures over time.
False
Cronbach’s alpha is a measure of internal reliability often used to assess how consistently items measure the same underlying concept.
Cronbach’s alpha is a measure of internal reliability often used to assess how consistently items measure the same underlying concept.
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Validity is fundamentally concerned with the consistency of measures.
Validity is fundamentally concerned with the consistency of measures.
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For a measure to have high reliability according to the test-retest method, we would expect to find a low correlation between observations on different occasions.
For a measure to have high reliability according to the test-retest method, we would expect to find a low correlation between observations on different occasions.
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The test-retest method assesses whether a measure correlates positively with other measures that assess similar constructs.
The test-retest method assesses whether a measure correlates positively with other measures that assess similar constructs.
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Inter-observer consistency is essential for a measure to be considered valid.
Inter-observer consistency is essential for a measure to be considered valid.
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Cronbach's alpha is a measure of internal reliability and assesses whether multiple indicators are measuring the same underlying construct.
Cronbach's alpha is a measure of internal reliability and assesses whether multiple indicators are measuring the same underlying construct.
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If a measure lacks internal reliability, it means the measure is only measuring a single underlying construct.
If a measure lacks internal reliability, it means the measure is only measuring a single underlying construct.
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A lack of inter-observer consistency implies that observers cannot agree on the meaning of what they are observing.
A lack of inter-observer consistency implies that observers cannot agree on the meaning of what they are observing.
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Validity presumes reliability, meaning a measure cannot be valid if it is not reliable.
Validity presumes reliability, meaning a measure cannot be valid if it is not reliable.
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Test-retest method assesses the stability of a test over time by administering the same test to the same group of people on two different occasions.
Test-retest method assesses the stability of a test over time by administering the same test to the same group of people on two different occasions.
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Inter-observer consistency refers to the ability of different observers to agree on the measurements or ratings of the same phenomenon.
Inter-observer consistency refers to the ability of different observers to agree on the measurements or ratings of the same phenomenon.
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Validity in research refers to the extent to which a test or measure appears to measure what it is intended to measure based on its outward appearance.
Validity in research refers to the extent to which a test or measure appears to measure what it is intended to measure based on its outward appearance.
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Cronbach's alpha is a measure of internal reliability that assesses how well the items in a test correlate with each other.
Cronbach's alpha is a measure of internal reliability that assesses how well the items in a test correlate with each other.
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Predictive validity examines how well a test can predict future performance or behavior related to the construct it is measuring.
Predictive validity examines how well a test can predict future performance or behavior related to the construct it is measuring.
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Construct validity is about whether a test measures the theoretical construct or concept it claims to measure, based on evidence from multiple sources and methods.
Construct validity is about whether a test measures the theoretical construct or concept it claims to measure, based on evidence from multiple sources and methods.
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