A group of researchers surveyed 58 people when they first started using Facebook (the researchers called this “Time 1”) and again 3 months later (referred to as “Time 2” by the researchers). At both time points, the participants completed a measure of social integration (a sense of belonging to a group of friends). 
Assuming the measure of social integration was on an interval scale, what statistical test would the researchers use in testing their research hypothesis? Explain your answer.

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Asked Nov 20, 2019
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A group of researchers surveyed 58 people when they first started using Facebook (the researchers called this “Time 1”) and again 3 months later (referred to as “Time 2” by the researchers). At both time points, the participants completed a measure of social integration (a sense of belonging to a group of friends). 
Assuming the measure of social integration was on an interval scale, what statistical test would the researchers use in testing their research hypothesis? Explain your answer.

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Expert Answer

Step 1

Paired t-test:

The paired t-test, also known as the “dependent t-test”, is a statistical procedure to test for the difference of means of two groups, when the two groups are somehow related or paired, that is, when the two groups are not independent. This procedure is typically used when t...

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