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10 Cards in this Set
- Front
- Back
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What is intraclass reliability based on? what is is a good example of it?
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ANOVA, allows you to estimate reliability for more than 2 trials.
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What are other names for intraclass reliability models?
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Cronbach's alpha coefficient, ANOVA reliabilities
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What deos K = when calculating the alpha coefficient?
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the number of trials.
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What is an example of when you would use intraclass reliability?
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When the subject is fatigued or there
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What is people-by-trials variation based on?
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The fact that not all subjects perform equally differnetly across the trials.
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How would reliability be measured in constant change in measures?
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subtracting error variance from total (observed) variance and dividing the result by the total (observed) variance.
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In the equation, what does Σssquared = to?
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the variance of EACH trial.
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(What is the index of reliability?)
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the teoretical correlation between observed scores and true scores.
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Forn any given test adminisration, what is your best estimate of a person's true score?
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The obtained score.
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What does the SEM reflect?
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it is interpreted as a standard deviation. The SEM is the standard deviation of the eroors of measurement around an observed score.
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