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, Problem 7E
Explain how using college students as participants in a study may limit the external validity of a study’s research findings.
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Explain how using college students as participants in a study may limit the external validity of a study’s research findings.
How 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?
If you are conducting a study on the academic performance of students who are registered members of any of the university's sports and culturals clubs.
Would you consider this study to require a quantitative or qualitative approach? Justify your answer
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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- A researcher would like to conduct a study related to student emotional intelligence (EQ) in a university. The researcher would like to examine two objectives in his study. First, he would like to examine whether the EQ training and coaching programme will improve the level of EQ for university students. Second, he would like to study the relationship between student academic performance (CGPA) and students’ emotional intelligence (EQ) in a university. Twenty samples of students from the first year were taken for the study. The researcher has collected the data for a few variables: gender, academic performance, and emotional intelligence (EQ) test score. The study is divided into two parts. First, the student must answer the emotional intelligence (EQ) test assessment before attending the EQ training and coaching programme. Second, the researcher will request the same twenty students to attend a one-month emotional intelligence (EQ) coaching and training programme. Upon completing the…arrow_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_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
- Researchers have observed that high school students who watched educational television programs as young children tend to have higher grades than their peers who did not watch educational television. Is this an observational study or a controlled experiment? Explain why.arrow_forwardI’m being asked to construct an anova table to compare the effects of three drugs, drug a(control) , drug b, and drug c. Is this an anova model I or II and why?arrow_forwardWhat is the relationship between socioeconomic status and academic achievement in elementary school students, and how does this relationship vary across different racial and ethnic groups? Additionally, what interventions or programs have been successful in mitigating the negative effects of low socioeconomic status on academic achievement?arrow_forward
- Generate a research scenario of 40 participants where a one-way ANOVA needs to be employed. Your data must produce a significant overall result, and there should be a post-hoc test performed and interpreted.arrow_forwardTrue or False. It is important for researchers to account for the loss of participants during follow-up when determining sample size requirements for a study.arrow_forwardExplain why some studies include both a control group and a placebo treatment. What additional comparisons are possible if both a control group a placebo group are included?arrow_forward
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