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OleMash [197]
3 years ago
8

An experimenter tests the hypothesis that physical exercise improves mood. subjects in the experimental group participate on mon

days and tuesdays and those in the control group on wednesdays and thursdays. which is the confounding variable?
Social Studies
1 answer:
Gala2k [10]3 years ago
5 0
The confounding variable in this situation is the disparity between the days of the week on which individuals performed physical exercise to improve their mood. 

Perhaps, individuals generally have a lower and more supressed mood on Mondays versus Thursdays causing the results to be skewed as they failed to account for the <em>confounding variable of different dates</em>.
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A researcher obtained a sample of adults and interviewed them about their financial concerns. this is an example of a) <u>cross-sectional survey </u>design.

Cross-sectional surveys assess the prevalence of disease and the prevalence of risk factors at the same point in time and provide a "snapshot" of diseases and risk factors simultaneously in a defined population.

In medical research, social science, and biology, a cross-sectional study is a type of observational study that analyzes data from a population, or a representative subset, at a specific point in time—that is, cross-sectional data.

Another example of a cross-sectional study would be a medical study examining the prevalence of cancer amongst a defined population. The researcher can evaluate people of different ages, ethnicities, geographical locations, and social backgrounds.

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Nonamiya [84]

Answer:

The Conditoned Stimulus is the smell and the taste of the coffee; and the Condtioned Stimulus Responses alertness

Explanation:

CONDITONED STIMULUS are stimulus which are neutral that often cause some response when they are associated with a natural stimulus in which response that is been triggers is referred to as conditioned response while CONDITIONED RESPONSE are response which are in form of a behaviour in which they don't come naturally but a person or an individual may learned it by pairing a neutral stimulus with a potent stimulus.

Therefore based on the information given about Tyrone the Conditoned Stimulus is the SMELL and the TASTE of the coffee while the Condtioned Stimulus Responses ALARTNESS which was why Tyrone was surprised to learn that the coffee was decaffeinated because he had actually felt more alert after drinking it.

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