Members of a high school language club believe that study of a foreign language

Question

Members of a high school language club believe that study of a foreign language improves a student's command of English. From school records, they obtain the scores on an English achievement test given to all seniors. The mean score of seniors who had studied a foreign language for at least two years is much higher than the mean score of seniors who studied no foreign language. The club's advisor says that these data are not good evidence that language study strengthens English skills. Identify the explanatory and response variables in this study. Then give example of lurking variables that may prevent the conclusion that language study improves students' English scores.

Explanation / Answer

Explonatory variable : Scores on English test Response Variable : Good achievement in English Lurking variables : Learning out scores, and regularly reading newspapers, and reading good vocabolary story books are are improve student's in English scores.

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