In 2010, How Many States Permitted Public School Choice in Some

question 413

Multiple Choice

In 2010, how many states permitted public school choice in some or all school districts?

• A) 10
• B) 30
• C) 40
• D) 45

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Definitions:

Reliability Coefficient

A statistical measure that indicates the consistency or repeatability of measurements.

Variance

A statistical measure of the dispersion, indicating how spread out a set of data is around the mean, reflecting variability within the dataset.

True Differences

Genuine or actual disparities observed between groups or conditions in a study, as opposed to those arising from experimental error or bias.

Discriminant Validity

The degree to which a measurement tool is not correlated with variables from which it should theoretically differ.