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 9.1, Problem 1LO
Describe the general characteristics of a within-subject experimental design and identify these designs when they appear in a research report.
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Chapter 9 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 9.1 - Describe the general characteristics of a...Ch. 9.1 - Describe how time-related factors such as history,...Ch. 9.2 - For a within-subjects experiment, explain how the...Ch. 9.2 - Define counterbalancing and explain how it is used...Ch. 9.2 - Describe the limitations of counterbalancing and...Ch. 9.3 - Explain the general advantages and disadvantages...Ch. 9.3 - Define a matched-subject design and explain how it...Ch. 9.4 - Describe the different ways that within-subjects...Ch. 9 - In addition to the key words, you should also be...Ch. 9 - Describe the characteristics of a within-subjects...
Ch. 9 - Time-related factors and order effects can...Ch. 9 - For a within-subjects experiment that includes a...Ch. 9 - Under what circumstances is it advisable to switch...Ch. 9 - Describe the circumstances in which...Ch. 9 - Explain why partial counterbalancing is sometimes...Ch. 9 - Describe the problems that can be caused by...Ch. 9 - A researcher has a sample of 30 rats that are all...Ch. 9 - Explain how a matched-subjects design attempts to...Ch. 9 - Describe the disadvantages of a multiple-treatment...Ch. 9 - At the beginning of this chapter, we described a...
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- When evaluating the effectiveness of a newly invented psychological treatment to people having illusions, a psychologist plans to adopt an AB design. Give this psychologist two design recommendations for the evaluation study . Describe what additional design needed to be added to obtain data in evaluating any potential long term effect of the treatmentarrow_forwardThis question is about Experimental design.arrow_forwardA company has two chemist, Mr. Morris and Mr. Logan to produce their drinks. Mr. John, their boss, is not pleased with Mr. Logan’s attitude to work, so he is contemplating firing Mr. Logan andkeeping Mr. Morris only to perform this job. The problem, however, is that Mr. Logan seems to produce a higher quality drink whenever he oversees production when compared to Mr. Morris. Before making a final decision, Mr. John decided to collect data measuring the quality of different batches ofdrinks produced by Mr. Morris and Mr. Logan to make a better-informeddecision. The results, measured on a quality scale, are listed below: Name Average Standard Deviation Sample Size Mr. Logan 98 1 8 Mr. Morris 94 4 10 a) Based on this data above, advise Mr. John whether Mr. Logan isbetter at making the signature sauce than Mr. Morris by usinghypothesis testing – use the critical value approach with a level ofsignificance at 5%.arrow_forward
- Does the presence of a significant interaction change the interpretation of significant main effects? Provide one example including a minimum of two independent variables.arrow_forwardDetermine the test statistic for the interaction effect.arrow_forwardWhich model—the one for parliaments or the one for ministries (or cabinets)—presented in the article has the greater explanatory power? How can you tell?arrow_forward
- A survey of high school students was done to examine whether students had ever driven a car after consuming a substantial amount of alcohol (1=yes, 0=no). Data was collected on their sex (male/female), race (White/non-White), and grade level (9,10,11,12). Researchers realized that the impact of race on consuming alcohol before driving might vary by grade level and decided to fit the following model. Variable Coding = 1 if Intercept Sex () Female Race () Black Grade level ( 9th grade 10th grade 11th grade [Reference = 12th grade] Attached is the logistic model 1. Compute the OR of drinking before driving for students who self-reported as Black versus non-Black in the 9th grade, adjusting for gender. 2. Compute the OR of drinking before driving for students who self-reported as Black versus non-Black in the 12th grade, adjusting for gender. 3. Compute the OR of drinking before driving for someone in the 9th grade versus 12th grade for a student who…arrow_forwardFloyd Distributors, Inc., provides a variety of auto parts to small local garages. Floyd purchases parts from manufacturers according to the EOQ model and then ships the parts from a regional warehouse direct to its customers. For a particular type of muffler, Floyd's EOQ analysis recommends orders with Q* = 20 to satisfy an annual demand of 180 mufflers. Floyd's has 250 working days per year, and the lead time averages 15 days.Note: Use Appendix B to identify the areas for the standard normal distribution. What is the reorder point if Floyd assumes a constant demand rate? If required, round your answer up to the nearest whole number. r = fill in the blank 1 Suppose that an analysis of Floyd's muffler demand shows that the lead-time demand follows a normal probability distribution with µ = 12 and σ = 2.2. If Floyd's management can tolerate one stock-out per year, what is the revised reorder point? If required, round your answer up to the nearest whole number. r = fill in the blank…arrow_forwardIn an experiment designed to investigate the perception of corporate ethical values among people specialized in marketing, scores of 6 people were recorded in each case (higher scores indicate higher ethical values) and the following information was obtained: Write the effect model that describes this type of design and explain each of the components (in context)arrow_forward
- The traffic pattern is being analyzed for traffic going into Myrtle Beach on 501. The intersection of US-501 and US-17 Bypass was designed such that 50% of the traffic would continue straight on 501, 30% would go north on 17 Bypass, and 20% would go south on 17 Bypass. Since then, there has been a significant amount of commercial growth around the intersection that may have impacted the traffic flow. A sample of 600 cars is to be reviewed to see if the traffic has significantly changed using the chi-square test. How many cars do you expect to go straight on US-501?arrow_forwardBased on the results presented, did the exercise intervention groups still receive a health benefit even if significant weight loss did not occur? Explain.arrow_forward
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