Homework_excercise_week_4.docx University of Phoenix Week Four Homework Exercise PSY

homework_excercise_week_4.docx    University of Phoenix   Week Four Homework Exercise  PSYCH/610 Version 2  University of Phoenix Material  Week Four Homework Exercise   Answer the following questions, covering material from Ch 8“10 of Methods in Behavioral Research:  1.What is a confounding variable and why do researchers try to eliminate confounding variables? Provide two examples of confounding variables.  A confounding variable is an uncontrolled variable that intertwines with the independent variable, which confuses the researcher about which of these variables affects the dependent variable (Cozby & Bates, 2015). Hence, researchers must try to eliminate confounding variables because it can result in alternative explanations. This way, a researcher can be sure that the independent variable alone caused the results of his experiment.    Example 1: Listening to Pop versus Classical Music: Which is better in improving one™s memory? In this experiment, the confounding variable will be the IQ level of each participant. Hence, the researcher cannot claim that it was one of the music genres that improved the memory of the participant, but their capability to memorize.   Example 2: Taking supplement A versus supplement B: Which pill helps better in losing weight? One of the confounding variables of this experiment is the eating habits of the participants. Therefore, only taking one of the pills is not enough to conclude that it is responsible for losing one™s weight.  2.What are the advantages and disadvanta