Social Studies, 14.03.2020 01:13 LilErvin

Dr. Kenji wants to determine whether his new phonics program helps children's reading comprehension. He gives a fifth grade class the program and also studies a second grade class that does not go through the program. He finds that the fifth graders read with better comprehension. Identify the confounding variable in this research design. Group of answer choices

the grade the students are in

the phonics program

reading comprehension scores

not giving one group the program

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Dr. Kenji wants to determine whether his new phonics program helps children's reading comprehension....