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4. The confounding variable in this experiment is a. the emotional state of the residents b. the herbal tea the time of day the tea was consumed d. the visits of the college students the fact that this is a local nursing home с. е.

4. The confounding variable in this experiment is a. the emotional state of the residents b. the herbal tea the time of day the tea was consumed d. the visits of the college students the fact that this is a local nursing home с. е.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Use for Questions 3-4: A group of college students believes that herbal tea has remarkable restorative powers. To test their theory they make weekly visits to a local nursing home, visiting with residents, talking with them, and serving herbal tea. After several months, many of the residents are more cheerful and healthy. 3. The explanatory variable in this experiment is the emotional state of the residents а. b. the herbal tea the fact that this is a local nursing home d. the college students the residents of the nursing home с. е. 4. The confounding variable in this experiment is the emotional state of the residents а. b. the herbal tea the time of day the tea was consumed d. the visits of the college students the fact that this is a local nursing home с. е.
Transcribed Image Text:Use for Questions 3-4: A group of college students believes that herbal tea has remarkable restorative powers. To test their theory they make weekly visits to a local nursing home, visiting with residents, talking with them, and serving herbal tea. After several months, many of the residents are more cheerful and healthy. 3. The explanatory variable in this experiment is the emotional state of the residents а. b. the herbal tea the fact that this is a local nursing home d. the college students the residents of the nursing home с. е. 4. The confounding variable in this experiment is the emotional state of the residents а. b. the herbal tea the time of day the tea was consumed d. the visits of the college students the fact that this is a local nursing home с. е.
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