People feel as if they are walking taller when they are happy, but Constanza Bul

Question

People feel as if they are walking taller when they are happy, but Constanza Bullem decides to find out if they are really lifting themselves up more. So she gets each person's height from his or her doctor, and then makes him or her happy by letting him/her find a $100 bill and surreptitiously measuring his/her height. She then compares each person's normal height to each person's height when happy. What statistic should she use to answer her question? independent-measures t-test repeated-measures t-test (paired-samples t-test) independent-measures ANOVA repeated-measures ANOVA

Explanation / Answer

People feel as if they are walking taller when they are happy, but Constanza Bullem decides to find out if they are really lifting themselves up more.

Here she is taking the before observation and after observation on same subject.

In before and after study we use repeated-measures t-test (paired-samples t-test).

Hence repeated-measures t-test (paired-samples t-test) is the correct answer.

Hope this will help you. Thank you :)

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