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Setler [38]
3 years ago
15

Dr. Wickersham wants to examine how light affects participants' performance on a counting task. So she has two groups, one that

works under dim light and one that works under bright lights. She finds that those in the dim-light condition perform better. However, one of her research assistants admits that he gave those in the dim-light condition extra time to complete the task. Now Dr. Wickersham is not sure whether those in the dim-light condition did better because of the lighting or because of the extra time they received. The extra time on the test is an example of a(n) _____ variable.
Social Studies
1 answer:
max2010maxim [7]3 years ago
3 0

Answer:

<u>extraneous variable</u>

Explanation:

<u>Extraneous variable:</u> In psychology, the term "extraneous variable" is determined as a variable that can directly affects an experiment's results irrespective of being an independent variable. However, in any experiment a researcher or an experimenter isn't purposely studying extraneous variable, and is often considered as an "undesirable variable".

<u>In the question above, the extra time on the test is an example of an extraneous variable.</u>

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