A researcher is conducting a large-scale study, focusing on the effects of an educational intervention on children's reading ability in schools. Half of the classrooms in a school district were assigned this intervention, and the other half were not. Identify the independent variable, dependent variable, and a potential extraneous variable. Explain why the results may or may not be generalizable.

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The Answer of A researcher is conducting a large-scale study, focusing on the effects of an educational intervention on children's reading ability in schools. Half of the classrooms in a school district were assigned this intervention, and the other half were not. Identify the independent variable, dependent variable, and a potential extraneous variable. Explain why the results may or may not be generalizable.

A Researcher Is Conducting a Large-Scale Study, Focusing on the Effects