The Variance of the Sampling Distribution Of $\bar { X }$

question 138

Essay

The variance of the sampling distribution of $\bar { X }$ is ____________________ the variance of the population we're sampling from for all sample sizes.

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Definitions:

Internal Consistency

A measure of the reliability of a psychological test or survey, based on the average correlation between items on the same test.

Cronbach's Alpha

A coefficient of reliability or internal consistency of a psychometric instrument, indicating how well the items in the test measure the same concept or construct.

Internal Consistency Reliability

A measure of how well the items on a test measure the same concept or construct, often assessed by Cronbach's alpha.

Parallel Forms Reliability

The consistency of the results of two tests constructed in the same way from the same content domain.