There are several advantages of using a paired t-test. Since the same subjects a

Question

There are several advantages of using a paired t-test. Since the same subjects are being tested in each of the varying conditions, those subjects serve as their own control. This is a major advantage as you need not consider potential differences between the subjects in the control group and the subjects who are in the experimental group. Elaborate on this concept by providing examples in which you do and do not have the same subjects serving as their own control. There are also potential problems associated with interpreting the results of a paired t-test. Imagine you are interested in determining whether an employee of a company performs better with or without a bonus. What are some issues that could affect the results if you have the same subjects tested in both situations?

Explanation / Answer

There is variation in each subject (in this case employee ) some are work better and no matter if bonus are given them or not and some are work better only bonus are assign. So phycology of the people is one of the factor.

Another factor is "experience". The work of the employees sometimes better with correspond to the experience and the effect of bonus is not much affect.

The places(country) where the experiment conducted also one of the factor.

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