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In the first study... (cont.) 4. If only some of the people entering the hospital had time to complete even this short, one- question survey, what aspect of the study is being affected? (choose one and explain your answer) a. reference population b. response rates c. sample convenience

In the first study... (cont.) 4. If only some of the people entering the hospital had time to complete even this short, one- question survey, what aspect of the study is being affected? (choose one and explain your answer) a. reference population b. response rates c. sample convenience

Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
Problem 1TY
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Read the scenario below, then answer the questions about its design and interpretation. Researchers at a local hospital want to know whether they really need to have staffed information booths at all of the hospital entrances or just by the main doors at the front of the building. The hospital administration wants to make sure that people get the help they need when they come in, but having employees stationed at multiple centers is very expensive. To address this question, the researchers decide to do two separate observational studies. First, they poll everyone entering each doorway to see whether they are first-time or repeat visitors. They find that 90% of the visitors using doors other than the main entrance have been to the hospital before. Then they conduct the second study: They station research assistants in the side/back entrance halls to observe the behavior of visitors during periods of time when (1) the information booths are fully staffed, (2) when the booths are unstaffed and a sign is posted that points towards the main entrance, and (3) when the booths are unstaffed with no sign.
Transcribed Image Text:Read the scenario below, then answer the questions about its design and interpretation. Researchers at a local hospital want to know whether they really need to have staffed information booths at all of the hospital entrances or just by the main doors at the front of the building. The hospital administration wants to make sure that people get the help they need when they come in, but having employees stationed at multiple centers is very expensive. To address this question, the researchers decide to do two separate observational studies. First, they poll everyone entering each doorway to see whether they are first-time or repeat visitors. They find that 90% of the visitors using doors other than the main entrance have been to the hospital before. Then they conduct the second study: They station research assistants in the side/back entrance halls to observe the behavior of visitors during periods of time when (1) the information booths are fully staffed, (2) when the booths are unstaffed and a sign is posted that points towards the main entrance, and (3) when the booths are unstaffed with no sign.
In the first study... (cont.) 4. If only some of the people entering the hospital had time to complete even this short, one- question survey, what aspect of the study is being affected? (choose one and explain your answer) reference population a. b. response rates c. sample convenience 5. In the situation in (4), would your sample be biased or unbiased? Why? 6. If you managed to get answers to the survey from every single visitor entering the hospital, would your sample be biased or unbiased relative to the population of visitors to this hospital? Why? 7. If researchers posted signs in the hospital parking lots telling visitors that a "facilities study" was underway and that their use of entrances and exits may be recorded or they may be asked to participate in a survey about the hospital entrances and exits, there would be a net benefit in which principle of research ethics? a. What would be the downside in posting this signage in the parking lots?
Transcribed Image Text:In the first study... (cont.) 4. If only some of the people entering the hospital had time to complete even this short, one- question survey, what aspect of the study is being affected? (choose one and explain your answer) reference population a. b. response rates c. sample convenience 5. In the situation in (4), would your sample be biased or unbiased? Why? 6. If you managed to get answers to the survey from every single visitor entering the hospital, would your sample be biased or unbiased relative to the population of visitors to this hospital? Why? 7. If researchers posted signs in the hospital parking lots telling visitors that a "facilities study" was underway and that their use of entrances and exits may be recorded or they may be asked to participate in a survey about the hospital entrances and exits, there would be a net benefit in which principle of research ethics? a. What would be the downside in posting this signage in the parking lots?
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