Research Methods for the Behavioral Sciences
6th Edition
ISBN: 9781337681698
Author: Frederick J Gravetter; Lori-Ann B. Forzano
Publisher: Cengage Limited
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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.
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
Distinguish between observational and experimental types of studies?
Chapter 6 Solutions
Research Methods for the Behavioral Sciences
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 meant by the sample space of an experiment?arrow_forwardWhat is an experiment?arrow_forwardA 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_forward
- What 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_forwardResearchers 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_forward
- What 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_forwardGenerate 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_forward
- Explain 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_forwardIt is desired to investigate whether there is a relationship between gender and occupational groups. Which method is appropriate for this research? Please explain with reason.arrow_forward2 Researchers examined the relationship between interpersonal violence and health in college-age women. The researchers administered a psychological distress questionnaire which produced a score on a scale of 0-12. What would be an appropriate measure of central tendency to consider for this variable?arrow_forward
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