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9 January, 04:18

A researcher introduces a new mathematics program in one school district and uses a neighboring district as a no-treatment control group. after the program is in place for 6 months, the researcher intends to give the students in both districts a standardized mathematics test and then compare their scores. this research cannot be classified as a true experiment because

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  1. 9 January, 04:28
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    This research cannot be classified as a true experiment because the researcher does not control the assignment of participants to groups and therefore has a nonequivalent groups design.

    There are three standards for an experiment to meet its criteria which are:

    1) At least one experimental and control group

    2) Researcher-manipulated variable

    3) Random assignment
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