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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Textbook Question
Chapter 6.3, Problem 5LO
Identify and explain the common threats to external validity and identify threats when they appear in a research report.
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Compare and contrast associational, difference, and descriptive types of research questions.
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Chapter 6 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 6.1 - Describe, compare, and contrast the five research...Ch. 6.1 - Define research strategy, research design, and...Ch. 6.2 - Define the concept of external validity and a...Ch. 6.2 - Define the concept of internal validity and a...Ch. 6.3 - Identify and explain the common threats to...Ch. 6.4 - Describe how extraneous variables can become...Ch. 6.4 - Describe how environmental variables can be...Ch. 6.5 - Define experimenter bias, demand characteristics,...Ch. 6 - In addition to the key words, you should also be...Ch. 6 - For each of the following scenarios, identify...
Ch. 6 - How is the descriptive strategy different from the...Ch. 6 - Explain the difference among the terms research...Ch. 6 - A researcher conducts a study with 6-year-old...Ch. 6 - A researcher finds that college students are more...Ch. 6 - Explain how using college students as participants...Ch. 6 - What is the novelty effect, and how does it affect...Ch. 6 - Suppose that you wake up in the morning with all...Ch. 6 - What is the primary threat to internal validity...Ch. 6 - Describe how experimenter bias can be a threat to...Ch. 6 - Describe how participant reactivity can be a...Ch. 6 - Selection bias and individual differences are both...
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- What is an experiment?arrow_forwardRead the scenario below to determine which one of the threats to external validity (interaction between treatment and selection, interaction between treatment and location or interaction between treatment and history [time]) is of most concern. During the academic school year of 2019-2020 researchers completed a study on the impact of early childhood education on the social development of children. The researchers selected programs in one county with plans to generalize the findings to the entire state. A. Interaction of treatment and selection B. Interaction of treatment and location C. Interaction of treatment and historyarrow_forwardProduct placement is a form of advertising in which a company's products and name are intentionally positioned in motion pictures, TV programs, radio broadcasting, and the likes. Product placement can take many forms: verbal mentions in dialogue, actual use by a character, or visual displays. a. Describe the dependent and independent variables for a proposed study from this scenario. b. Describe hypotheses that your study will test based on the scenario above. Product placement is a form of advertising in which a company's products and name are intentionally positioned in motion pictures, TV programs, radio broadcasting and the likes. Product placement can take many forms: verbal mentions in dialogue, actual use by a character, or visual displays. [Max. 300 words] a. Describe the dependent and independent variables for a proposed study from this scenario. b. Describe hypotheses that your study will test based on the scenario above.arrow_forward
- I collected data on levels of anxiety after receiving three types of therapies (CBT, psycho education, and psycho analysis). Below are the anxiety scores for 9 patients. Is there a difference in anxiety based on treatment type ? CBT: 3, 2, 0 Psycho Education: 8, 8, 9 Psycho Analysis: 10, 12, 12 (Look at the table)arrow_forwardHow might the absence of data screening affect a researcher’s data quality, their interpretations of the data, and thereby their interpretations of their study’s findings?arrow_forwardA categorical variable with multiple categories is converted to sufficient indicator variables for inclusion in a model. Will those indicator variables be correlated to one another? CLearly explainarrow_forward
- Provide an illustration on how Bayesian analysis is used.arrow_forwardWhat is the meaning of each below type of hypothesis? Causal Hypothesis Correlational hypothesis Descriptive hypothesis Relational hypothesisarrow_forwardWhat is a confounding variable in research, and how can it affect the results of a study? Provide an example of a confounding variable in a hypothetical study.arrow_forward
- Which type of observational study is described in the problem statement?arrow_forwardHow will you answer this question? please helparrow_forwardU.S. Department of Transportation As an auto insurance risk analyst, it is your job to research risk profiles for various types of drivers. One common area of concern for auto insurance companies is the risk involved when offering policies to younger, less experienced drivers. The U.S. Department of Transportation recently conducted a study in which it analyzed the relationship between 1) the number of fatal accidents per 1000 licenses, and 2) the percentage of licensed drivers under the age of 21 in a sample of 42 cities. Your first step in the analysis is to construct a scatterplot of the data. FIGURE. SCATTERPLOT FOR U.S. DEPARTMENT OF TRANSPORATION PROBLEM U.S. Department of Transportation The Relationship Between Fatal Accident Frequency and Driver Age 4.5 4. 3.5 3. 2.5 1.5 0.5 0. 6. 8 10 12 14 16 18 20 Percentage of drivers under age 21 pon visual inspection, you determine that the variables do have a linear relationship. After a linear pattern has been established visually, you…arrow_forward
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what is Research Design, Research Design Types, and Research Design Methods; Author: Educational Hub;https://www.youtube.com/watch?v=LpmGSioXxdo;License: Standard YouTube License, CC-BY