Computers and Technology, 18.02.2020 02:32 emmareese2022

A researcher administers a standardized test to the students in a school testing a new program as well as to students in a similar school as a control group. To what extent is comparison of the average scores for the two groups of students useful for determining the effects of the program?
Of limited usefulness as a pilot study but has many threats to validity T/F

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A researcher administers a standardized test to the students in a school testing a new program as we...