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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Textbook Question
Chapter 8.2, Problem 3LO
Define individual differences and explain how individual differences between groups and confounding from environmental variables can threaten the internal validity of a between-subjects design.
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Chapter 8 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 8.1 - Describe, compare, and contrast the defining...Ch. 8.1 - Explain the general advantages and disadvantages...Ch. 8.2 - Define individual differences and explain how...Ch. 8.3 - Identify the three primary techniques for limiting...Ch. 8.4 - Describe how individual differences influence...Ch. 8.4 - Identify the options for reducing or controlling...Ch. 8.5 - Describe how differential attrition and...Ch. 8.6 - Describe how between-subjects designs are used to...Ch. 8 - In addition to the key words, you should also be...Ch. 8 - Identify the basic features of a between-subjects...
Ch. 8 - In a between-subjects design, each individual...Ch. 8 - Briefly explain how a participant characteristic,...Ch. 8 - Briefly explain how random assignment attempts to...Ch. 8 - Explain the advantages and disadvantages of using...Ch. 8 - Briefly explain why large variance within...Ch. 8 - Explain how holding a participant variable such as...Ch. 8 - Explain how holding a participant variable such as...Ch. 8 - Describe some of the problems that can arise when...Ch. 8 - Describe the advantages of a two-group design...Ch. 8 - A researcher has a sample of 30 rats that are all...Ch. 8 - A recent survey at a major corporation found that...
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- A real estate developer wishes to study the relationship between the size of home a client will purchase (in square feet) and other variables. Possible independent variables include the family income, family size, whether there is a senior adult parent living with the family (1 for yes, 0 for no), and the total years of education beyond high school for the husband and wife. The sample information is reported below. Family Square Feet Income (000s) Family Size Senior Parent Education 1 2,240 60.8 2 0 4 2 2,380 68.4 2 1 6 3 3,640 104.5 3 0 7 4 3,360 89.3 4 1 0 5 3,080 72.2 4 0 2 6 2,940 114 3 1 10 7 4,480 125.4 6 0 6 8 2,520 83.6 3 0 8 9 4,200 133 5 0 2 10 2,800 95 3 0 6 a. Develop an appropriate multiple regression equation using stepwise regression. (Use Excel data analysis and enter number of family members first, then their income…arrow_forwardA real estate developer wishes to study the relationship between the size of home a client will purchase (in square feet) and other variables. Possible independent variables include the family income, family size, whether there is a senior adult parent living with the family (1 for yes, 0 for no), and the total years of education beyond high school for the husband and wife. The sample information is reported below. Family Square Feet Income (000s) Family Size Senior Parent Education 1 2,240 60.8 2 0 4 2 2,380 68.4 2 1 6 3 3,640 104.5 3 0 7 4 3,360 89.3 4 1 0 5 3,080 72.2 4 0 2 6 2,940 114 3 1 10 7 4,480 125.4 6 0 6 8 2,520 83.6 3 0 8 9 4,200 133 5 0 2 10 2,800 95 3 0 6 Develop an appropriate multiple regression equation using stepwise regression. (Use Excel data analysis and enter number of family members first, then their income and…arrow_forwardWhat does an A X B interaction mean in a two - way ANOVA? A. The affect of factor A depends on the level of factor B B. The main effects for Factors A and B must be short of significance C. There must be significant main effects for Factors A and B D. If there are significant main effects, they must be interpreted first before interpreting the interactionarrow_forward
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