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 4, Problem 4E
Explain the role of voluntary participation in informed consent.
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Fifty-five percent of people who move from an area without fire ants to an area with fire ants get stung within a month.
Write a possible reason (hypothesis) for why newcomers are more likely to be stung
SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many believe this number is inflated by the proportion of 22- to 30-
year-old job seekers who use social media in their job search. A survey of 22- to 30-year-old job seekers showed that 310 of the 370 respondents use social
media in their job search. In addition, 275 of the 370 respondents indicated they have electronically submitted a resume to an employer.
a. Conduct a hypothesis test to determine if the results of the survey justify concluding the proportion of 22- to 30-year-old job seekers who use social media in
their job search exceeds the proportion of the population that use social media in their job search. Use a = 0.05.
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Ha: p
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What is your conclusion?
- Select your answer - v Họ. We - Select your answer - v conclude that the proportion of 22 – 30 year old job seekers that use social media in their job
search exceeds…
Major league baseball did not have any black players until Jackie Robinson broke the color line in 1947, even though there was no doubt that black athletes had the requisite playing skills. Was this most likely to be indicative of employer, employee, consumer, or statistical discrimination?
Chapter 4 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 4.2 - Describe the major historical events that helped...Ch. 4.2 - Describe and apply the three ethical principles of...Ch. 4.2 - Describe the major elements of the APA ethical...Ch. 4.2 - Prob. 4LOCh. 4.3 - Describe the major elements of the APA ethical...Ch. 4.3 - Describe the purpose and responsibilities of the...Ch. 4.4 - Define fraud and explain the safeguards that exist...Ch. 4.4 - Define plagiarism and explain the techniques that...Ch. 4 - Prob. 1ECh. 4 - For each of the following, identify which of the...
Ch. 4 - By manipulating the participants experiences, it...Ch. 4 - Explain the role of voluntary participation in...Ch. 4 - Explain the difference between passive and active...Ch. 4 - Explain how the enforcement of confidentiality...Ch. 4 - Suppose you are planning a research study in which...Ch. 4 - Describe in your own words the criteria that the...Ch. 4 - Find your colleges IRB guidelines and procedures...Ch. 4 - Summarize the major APA ethical standards...Ch. 4 - Describe how replication protects against fraud...Ch. 4 - Explain why plagiarism is unethical.
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- What is a sample space?arrow_forwardA survey of 1088 adults in a country, asking "As you may know, as part of its effort to investigate terrorism, a federal government agency obtained records from larger telephone and Internet companies in order to compile telephone call logs and Internet communications. Based on what you have heard or read about the program, would you say that you approve or disapprove of this government program?" Of those surveyed, 588 said they disapprove. a. Determine and interpret the sample proportion. b. At the 10% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of adults in the country disapprove of this government surveillance program? a. The sample proportion is (Round to two decimal places as needed.) The sample proportion from this study is the proportion of adults in the v that v of the government surveillance program. b. What are the hypotheses for the one-proportion z-test? Ho: p= ; Ha: p (Type integers or decimals.) What is the test…arrow_forwardA survey of 1088 adults in a country, asking "As you may know, as part of its effort to investigate terrorism, a federal government agency obtained records from larger telephone and Internet companies in order to compile telephone call logs and Internet communications. Based on what you have heard or read about the program, would you say that you approve or disapprove of this government program?" Of those surveyed, 588 said they disapprove. a. Determine and interpret the sample proportion. b. At the 10% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of adults in the country disapprove of this government surveillance program? ..... a. The sample proportion is (Round to two decimal places as needed.) The sample proportion from this study is the proportion of adults in the that of the government surveillance program. b. What are the hypotheses for the one-proportion z-test? Ho: p= Ha:p (Type integers or decimals.) What is the test…arrow_forward
- Define the term favorable outcomes and unfavorable outcomes?arrow_forwardSuppose the audience for the "Ellen Degeneres Show" was mainly LGBT people. Would this imply that these LGBT people are acting collectively?arrow_forwardit did not accept that as an answer in this reading and participation questionarrow_forward
- Joe's electric company made 17 customer calls last week and 23 calls this week. How many calls must be made next week in order to maintain an averse of at least 21 calls per week for the three week period?arrow_forwardYou are interested in whether level of education influences a person's exposure to the media. You define low media exposure as 0-5 hours/week, medium exposure as 6-10 hours/week and high exposure as more than 10 hours/week. You randomly sample 400 adults and find that 175 have a high school education, 140 have college as their highest level of education, and 85 have a postgraduate degree (e.g., JD, MA, MPA, DDS, Dr., Ph.D.). Of those with a high school education, 72 have low levels of media exposure, 40 have medium levels of media exposure, and 63 have high levels of media exposure. Of those with a college degree, 45 have low levels of media exposure, 45 have medium levels of media exposure, and 50 have high levels of exposure. Finally, of those with a postgraduate degree, 32 have low levels of media exposure, 35 have medium levels of media exposure, and 18 have high levels of media exposure. Media Low (0-5 hrs/wk) Exposure Medium (6-10 hrs/wk)_ _40 High (11+ hrs/wk)_ Education and…arrow_forwardWhy is it important to ensure that research participants' names and other identifying information are not included in the notes and other researcher data? Select one. O Only certain studies need to keep participant information confidential. O Anonymity protects the research participant from being discriminated against in the event another agency/entity has access to the raw data. O It is not necessary for respondents to remain anonymous in research. O In double blind studies, the participant does not need to remain anonymous.arrow_forward
- A nonprofit organization conducted a survey of 2110 metropolitan-area teachers regarding their beliefs about educational problems. The following data were obtained: 860 said that lack of parental support is a problem. 880 said that abused or neglected children are problems. 660 said that malnutrition or students in poor health is a problem. 100 said that lack of parental support and abused or neglected children are problems. 90 said that lack of parental support and malnutrition or poor health are problems. 130 said that abused or neglected children and malnutrition or poor health are problems. 30 said that lack of parental support, abuse or neglect, and malnutrition or poor health are problems. What is the probability that a teacher selected at random from this group said that lack of parental support is the only problem hampering a student's schooling? Hint: Draw a Venn diagram. (Round your answer to three decimal places.) Need Help? Watch It Talk to a Tutorarrow_forwardAccording to a government statistics department, 20.2% of women in a country aged 25 years or older have a Bachelor's Degree; 16.7% of women in the country aged 25 years or older have never married; among women in the country aged 25 years or older who have never married, 22.3% have a Bachelor's Degree; and among women in the country aged 25 years or older who have a Bachelor's Degree, 18.4% have never married. Complete parts (a) and (b) below. (a) Are the events "have a Bachelor's Degree" and "never married" independent? Explain. The probability of the event "have a Bachelor's Degree" is affected by the occurrence of the event "never married", and the probability of the event "never married" is affected by the occurrence of the event "have a Bachelor's Degree", so the events are not independent. (b) Suppose a woman in the country aged 25 years or older is randomly selected. What is the probability she has a Bachelor's Degree and has never married? Interpret this probability. The…arrow_forwardThe National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained and it was noted that 248 homes were to be used as investment property, would this be unusual? Answer either "yes" or "no" and provide the justification for your answer.arrow_forward
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