Research Methods for the Behavioral Sciences (MindTap Course List)
6th Edition
ISBN: 9781337613316
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Cengage Learning
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Chapter 7, Problem 6E
Define extraneous variable and explain how extraneous variables can become confounding variables.
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Chapter 7 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 7.1 - Describe the general purpose of an experimental...Ch. 7.1 - Define independent, dependent, and extraneous...Ch. 7.1 - Describe the third-variable problem and the...Ch. 7.2 - Explain why manipulation of an independent...Ch. 7.2 - Explain why control of extraneous variables is a...Ch. 7.2 - Explain how an extraneous variable can become a...Ch. 7.3 - Describe the three primary techniques for...Ch. 7.4 - Describe the purpose for control conditions in...Ch. 7.4 - Explain when a manipulation check is needed,...Ch. 7.4 - Define field studies and simulation, explain why...
Ch. 7 - In addition to the key words, you should also be...Ch. 7 - Dr. Jones conducted a study examining the...Ch. 7 - In an experiment examining human memory, two...Ch. 7 - It has been demonstrated that students with high...Ch. 7 - A researcher would like to compare two methods for...Ch. 7 - Define extraneous variable and explain how...Ch. 7 - Identify the two characteristics needed for a...Ch. 7 - Identify the two active methods of preventing...Ch. 7 - Explain how the process of randomly assigning...Ch. 7 - Can a research study be an experiment without a...Ch. 7 - What is the general purpose of a manipulation...Ch. 7 - What is the general purpose for using a simulation...
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- True or false Interaction occurs when the relationship between an independent variable and a dependent variable is affected by another independent variablearrow_forwardAtlantic hurricanes form off the western coast of Africa. As warm moist air rises, it begins to rotate around a low- pressure system. This rotation is sustained by warm ocean temperatures and a central low pressure. Once a sustained wind speed of 74 miles per hour is reached, the storm is considered a hurricane. As man-made climate change continues to increase the temperature of the Earth's oceans, it is expected that the strength of hurricanes will Typically, a lower central pressure within a hurricane's eye is associated with a higher wind speed. Here, statistical software (R/RStudio) will be used to explore this relationship by applying linear regression methods. Using a database of landfalling hurricanes in the United States, a linear regression will be used to correlate the central pressure of each hurricane to its maximum sustained wind speed. increase. Regression Plot y=942.196-0.884*x R^2=0.768 ----- ----------- -. •... •. 980 1000 940 960 900 920 Independent Variable (x)…arrow_forwardHow many True Positives, True Negatives, False Positives, and False Negatives are in this model ? Note: blue points are considered positives and the red points are considered negatives.arrow_forward
- What is the difference between a dependent variable and an independent variable in a research study? Provide an example of each variable in a psychological research study.arrow_forwardWith a suitable example, briefly explain that depending upon various categories, how dummy variables are identified?arrow_forwardAn online seller would like to know whether the indication of price on Facebook posts will attract consumers more. He posted 50 products for sale on Facebook market, 25 of which he indicated the price while the remaining 25 products, did not have prices. Buyers were just instructed to send him a personal message (pm) if they want to know the price. He then identified which products have greater sales. Identify the independent, dependent and extraneous variablearrow_forward
- My first variable is Social media use. My second variable is stress among adults 18-35arrow_forwardIf another variable systematically co-varies with the independent variable, then we likely have an extraneous variable b. a dependent variable an ex post facto design a confounding variablearrow_forwardThere is an interaction effect between two independent variables when the effect of an independent variable differs depending on the level of another independent variable. True Falsearrow_forward
- In the Rental Data box there are a total number of 22 No's and 16 Yes's. I need the solution and the answer for (b).arrow_forwardCan someone help me with the following question please? Thank you so much!! A colleague speculates that countries with higher immigration rates are more likely to elect populist leaders, but only if these are presidential systems. What is the independent variable in this relationship? What is the dependent variable? What type of conceptual variable is “presidential system”? Draw the associated arrow diagram.arrow_forwardHello good day. I am having problem doing this. I need your help and hoping for a response on this matter. Thank you. Give a situation wherein a researcher would encounter a possible CONFOUNDING variable.arrow_forward
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