Asked by Kathleen Butterworth on May 13, 2024
Verified
Kalim wants to study the effectiveness of a new teaching method. He includes two teachers of a class in the experiment. One teacher uses the new method of teaching, and the other teacher uses the old method. At the end of the semester, he finds that students who were taught in the new way had higher grades than students taught in the old way. What is the confounding variable?
A) Grades
B) Teaching method
C) The two teachers
D) The class
Confounding Variable
An external variable that affects both the variables being studied, potentially misleading the results of an experiment.
Teaching Method
The systematic way or strategy used by educators to facilitate learning among students.
- Master the subject and significance of confounding variables in investigative research.
- Recognize the value of adjusting for participant traits in research designs.
Verified Answer
MM
Marissa McVey-PlummerMay 20, 2024
Final Answer :
C
Explanation :
The confounding variable is the two teachers, as they may have different teaching styles or abilities which could affect the students' grades. Therefore, the difference in grades cannot solely be attributed to the teaching method.
Learning Objectives
- Master the subject and significance of confounding variables in investigative research.
- Recognize the value of adjusting for participant traits in research designs.
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