Solution-Determine the uncontrolled extraneous variables

Determine the uncontrolled extraneous variables

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Question: There are uncontrolled extraneous variables in the study described here. Name as many as you can. Begin by identifying the dependent and independent variables. An investigator concluded that statistics Textbook A was better than Textbook B, after comparing two statistics classes. One class, which met MWF at 10:00 A.M., used Textbook A and was taught by Professor X. The other class, which met for 3 hours on Wednesday evening, used Textbook B and was taught by Professor Y. At the end of the term, all students took the same comprehensive test. The mean score for the Textbook A students was higher than the mean score for the Textbook B students.

Reference no: EM131699856

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Determine the uncontrolled extraneous variables : There are uncontrolled extraneous variables in the study described here. Name as many as you can. Begin by identifying the dependent and independent variables.

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Determine the uncontrolled extraneous variables

Reference no: EM131699856

Reference no: EM131699856

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