Tommy Implemented a Change in the Method of Reading Instruction

question 43

Multiple Choice

Tommy implemented a change in the method of reading instruction in his third grade classroom in order to improve students' performance on state assessment tests.The change in students' performance on state assessment tests is a(n)

• A)cost-benefit analysis.
• B)social intervention.
• C)logistical issue.
• D)response variable.
• E)control variable

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Definitions:

Normal Random Variable

A variable that is distributed according to the normal distribution, characterized by its mean and standard deviation.

Mean

The average of a set of numbers, calculated by dividing the sum of all the numbers by the quantity of numbers.

Standard Deviation

A statistical measure that quantifies the variability or dispersion of a dataset relative to its mean; used to gauge the amount of variation or spread in a set of data points.

Percentile

A measure indicating the value below which a given percentage of observations in a group of observations falls.