Research Methods for the Behavioral Sciences, Ch. 12, Final Exam Review Questions And Answers 2024

True or False In order to manipulate the levels of each factor in a factorial design, we mus select a sample from at least two or more different populations. - correct answer-False A researcher conducts a 4X2 factorial design with 10 participants observed in each group. How many participants are needed to conduct this experiment if the researcher conducts each of the following designs? Between-subjects factorial design - correct answer-80 participants A researcher conducts a 4X2 factorial design with 10 participants observed in each group. How many participants are needed to conduct this experiment if the researcher conducts each of the following designs? A within-subjects factorial design - correct answer-10 participants A researcher conducts a 4X2 factorial design with 10 participants observed in each group. How many participants are needed to conduct this experiment if the researcher conducts each of the following designs? A mixed factorial design in which the first variable is a within-subjects factor - correct answer-20 participants A researcher conducts a 4X2 factorial design with 10 participants observed in each group. How many participants are needed to conduct this experiment if the researcher conducts each of the following designs? A mixed factorial design in which the second variable is a within-subjects factor - correct answer-40 participants What are the three effects about which researchers test a hypothesis using the two-way factorial design? - correct answer-A main effect of Factor A, a main effect of Factor B, and an AxB interaction Name the statistical procedure used to analyze data for the factorial design with two factors. - correct answer-The two-way ANOVA The variance attributed to error in a factorial design is associated with differences in __________ within each cell. - correct answer-participant scores