Research Methods for the Behavioral Sciences (MindTap Course List)
5th Edition
ISBN: 9781305104136
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Wadsworth Publishing
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Chapter 11, Problem 1EA
To determine
To find:
A research study of 2x2 factorial design and analyse the same.
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A three-way factorial design has Factor A at 6 levels, Factor B at 3 levels, and Factor C at 2 levels. The total number of treatment combinations is ._______
How can you make sure your factorial design is well designed?
In a factorial design, levels of an independent variable are what?
Chapter 11 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 11.1 - Define a factorial research design, including the...Ch. 11.2 - Define a main effect for one factor and an...Ch. 11.2 - Explain how the existence of an interaction can...Ch. 11.2 - Describe and explain the independent relationship...Ch. 11.3 - Explain how a factorial study can combine...Ch. 11.3 - Identify the statistical analyses that are...Ch. 11.4 - Describe three specific applications of the...Ch. 11 - In addition to the key words, you should also be...Ch. 11 - In a classic study, Shrauger (1972) examined the...Ch. 11 - Suppose a researcher conducts a two-factor study...
Ch. 11 - The following matrix represents the results (the...Ch. 11 - The following data show the pattern of results...Ch. 11 - Under what circumstances will the main effects in...Ch. 11 - Prob. 7ECh. 11 - In Figure 11.5, we show three combinations of main...Ch. 11 - For a two-factor research study with two levels...Ch. 11 - A researcher would like to use a factorial study...Ch. 11 - A two-factor analysis of variance is used to...Ch. 11 - Prob. 1EACh. 11 - In Figure 11.5, we show three combinations of main...
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- A 2-factors experiment with 2 levels of Factor A and 4 levels of Factor B uses n = 10 participants in each group. What is the total number participants, N needed for the study?arrow_forwardIdentify one factor that might make the sambple from part (a) biased and not representative of the general population of people in the united states?arrow_forwardWhat is the benefit of a factorial design that is not present in a single factor study is that you can what?arrow_forward
- A two-factor, between subject research study with two levels of factor A and two levels of factor B would require two separate groups of participants. True Falsearrow_forwardA researcher would like to use a factorial study to compare two programs designed to help people stop smoking. The smoking behavior of each participant will be measured at the beginning of the program, at the end of the program, and again 4 months after the program has ended. Thus, the two treatment program make up one factor, three measurement times make up the second factor. For this study, which factor (s) should be between subjects and which should be within subjects?arrow_forwardA two-factor study with 4 levels of factor A and 3 levels of factor B uses a separate group of n = 5 participants in each treatment condition. How many participants are needed for the entire study?arrow_forward
- How many conditions are there in an independent-measures two-factor study with 2 levels of factor A and 3 levels of factor B.arrow_forwardDr. Gavin is conducting a 2 × 4 independent-groups factorial design. How many main effects will Dr. Gavin needto examine? Answer is 2, but I thought it is 6. Could you explain why? (Please type your answer. )arrow_forwardA two-factor, independent-measures research study with 2 levels of factor A and 4 levels of factor B with n = 8 participants in each treatment condition would require a total of ______ participants. a. 56 b. 48 c. 64 d. 14arrow_forward
- Due to a manufacturing error,ten cans of regular soda were accidentally filled with diet soda and placed into a 36-pack. Suppose that two cans are randomly selected from the 36-pack. Complete parts (a) through (c).arrow_forward2. Please answer all three parts of this question. 1. You are designing a 2x3 factorial design and need 20 participants in each of 6 conditions. How many participants in total would be needed for a 2x3 independent groups (between-subjects) design? How many participants in total would be needed for a 2x3 repeated-measure groups (within-subjects) design? How many participants in total would be needed for a 2x3 mixed factorial design?arrow_forwardIn an online poll run by a Hong Kong newspaper, 45% of people declared they go to the gym once a week, 25% go two times, 10% go three times, and the rest do not go. The data were collected through telephone interviews with 650 people; 230 answered they do not go to a gym at all, 150 go once a week, 200 go twice a week, and the rest go three times each week.a. Can this be considered to be a multinomial experiment? Which characteristics must it have to be classified as such?b. Would you use a goodness of fit test? Why?c. What conclusions would you gather from it? Do the online results match the phone interviews?d. If not, could you suggest any reasons why they are different?arrow_forward
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