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Distinguish between test-retest reliability and alternate forms reliability. For each, be sure to include the following...

Distinguish between test-retest reliability and alternate forms reliability. For each, be sure to include the following information:

What is the reliability coefficient?

How is the reliability coefficient interpreted and used to evaluate the reliability of a measure?

What are the sources of error that impact it?

Math   Statistics-And-Probability   
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Distinguish between test-retest reliability and alternate forms reliability:

.Reliability ' of any examination is how much it gives an exact score over a scope of estimation. It would thus be able to be seen as being 'repeatability' or 'consistency'. ... Test-retest: Same individuals, various occasions. Parallel-shapes: Different individuals, same time, distinctive test.

Reliability coefficient"

.Meaning of reliability coefficient. : a proportion of the accuarcy  of a test or estimating instrument gotten by estimating similar people twice and processing the relationship of the two arrangements of measures.

.Numerous potential wellsprings of mistake cause the aftereffects of an exploration concentrate to translated inaccurately. There are three essential kinds of mistakes that will be described below: human error, deliberate blunder, and arbitrary error.

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