Chapter 11 HW#2 For each of the following studies, determine whether a repeated-
ID: 2948788 • Letter: C
Question
Chapter 11 HW#2 For each of the following studies, determine whether a repeated-measures t test is the appropriate analysis. Explain your answers. A researcher is examining the effect of humor on memory by presenting a group of participants with a series of humorous and not humorous sentences and them recording how many of each type of sentence is recalled by each participant. t test is the appropriate analysis, because A researcher is examining the effect of violent video games on behavior by comparing aggressive behaviors for one group who just finished playing a violent game with another group who played a neutral game. t test is the appropriate analysis, because A researcher is evaluating the effectiveness of a new cholesterol medication by recording the cholesterol level for each individual in a sample before they start taking the medication and again after 8 weeks with the medication. t test is the appropriate analysis, becauseExplanation / Answer
Solution :
1) In the first problem , a researcher is examining the effect of humor on memory by presenting a group of participants with a series of humorous and not humorous sentences and then recording how many of each type of sentence is recalled by each participant. So , here , the correct answer is :
Repeated Measures t - test is the appropiate analysis , because here a single sample of individuals / participants is considered and the measurement is done on the same dependent variable , i.e., the effect of humor on memory after repeating a series of humorous and not humorous sentences on the participants.
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2) In the second problem , a researcher is examining the effect of violent video games on behavior by comparing aggressive behaviors for one group who just finished playing a violent game with another group who played a neutral game. So , here , the correct answer is :
2 - Sample Independent t - test is the appropiate analysis , because here the aggressive behaviors of 2 independent samples are compared ; one group played a violent game and another group played a neutral game.
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3) In the third problem , a researcher is evaluating the effectiveness of a new cholesterol medication by recording the cholesterol level for each individual in a sample before they start taking the medication and again after 8 weeks with the medication. So , here , the correct answer is :
Paired Sample t - test is the appropiate analysis , because here a single sample consisting of several individuals are considered whose cholesterol levels are recorded before and after the start of the medication of the individuals.