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7) A local study is looking at ways to reduce allergic reactions to local pollens. Two over-the-counter medications are prescribed to patients that suffer from allergies: medication A and medication B. Any time a patient comes to the doctor complaining about allergies, the doctors ask patients if they would like to volunteer to try one of the test medications. If they respond 'yes', they are asked about how severely they are affected by allergies on a scale from 1 to 10. They are then prescribed one of the two medications and asked to come back in two weeks. After two weeks, they are asked how severely they are currently affected by allergies on a scale from 1 to 10 again, after having taken the allergies, and their results are recorded. Identify one form of bias that may occur from this method of study.

7) A local study is looking at ways to reduce allergic reactions to local pollens. Two over-the-counter medications are prescribed to patients that suffer from allergies: medication A and medication B. Any time a patient comes to the doctor complaining about allergies, the doctors ask patients if they would like to volunteer to try one of the test medications. If they respond 'yes', they are asked about how severely they are affected by allergies on a scale from 1 to 10. They are then prescribed one of the two medications and asked to come back in two weeks. After two weeks, they are asked how severely they are currently affected by allergies on a scale from 1 to 10 again, after having taken the allergies, and their results are recorded. Identify one form of bias that may occur from this method of study.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 7
(C (5 ( The tea ter W assisting student satisfaction with riding school buses. The principal is planning to conduct a random sample of the student population. Which of the listed methods of sample selection would be the most effective at reducing bias? (A) Randomly select two buses and select the first 15 students who get off those buses. (B) Post the survey on the school website and use the first 30 surveys that are submitted. (CY Randomly select 10 students from each of 3 buses that arrive first one morning. (D) Randomly select 30 students from a list of all the students in the school that have ridden a school bus this year. 5) A school principal wants to know how far students travel in the morning to arrive at school. The principal interviews the first 40 students that arrive at school on two randomly selected days. This is an example of which of the following types of studies? (A) An experiment (B) An observational study (e) A survey (D) A census 6) A researcher wants to study the relationship between the type of sport and the type of injury in student athletes from a certain high school. Researchers select 10 students from each of the sports offered at the school and ask students about injuries they have had that year. Which type of survey is this? (A) Simple random sample (B) Stratified sample (C) Convenience sample (D) Voluntary sample 7) A local study is looking at ways to reduce allergic reactions to local pollens. Two over-the-counter medications are prescribed to patients that suffer from allergies: medication A and medication B. Any time a patient comes to the doctor complaining about allergies, the doctors ask patients if they would like to volunteer to try one of the test medications. If they respond 'yes', they are asked about how severely they are affected by allergies on a scale from 1 to 10. They are then prescribed one of the two medications and asked to come back in two weeks. After two weeks, they are asked how severely they are currently affected by allergies on a scale from 1 to 10 again, after having taken the allergies, and their results are recorded. Identify one form of bias that may occur from this method of study. Thin
Transcribed Image Text:(C (5 ( The tea ter W assisting student satisfaction with riding school buses. The principal is planning to conduct a random sample of the student population. Which of the listed methods of sample selection would be the most effective at reducing bias? (A) Randomly select two buses and select the first 15 students who get off those buses. (B) Post the survey on the school website and use the first 30 surveys that are submitted. (CY Randomly select 10 students from each of 3 buses that arrive first one morning. (D) Randomly select 30 students from a list of all the students in the school that have ridden a school bus this year. 5) A school principal wants to know how far students travel in the morning to arrive at school. The principal interviews the first 40 students that arrive at school on two randomly selected days. This is an example of which of the following types of studies? (A) An experiment (B) An observational study (e) A survey (D) A census 6) A researcher wants to study the relationship between the type of sport and the type of injury in student athletes from a certain high school. Researchers select 10 students from each of the sports offered at the school and ask students about injuries they have had that year. Which type of survey is this? (A) Simple random sample (B) Stratified sample (C) Convenience sample (D) Voluntary sample 7) A local study is looking at ways to reduce allergic reactions to local pollens. Two over-the-counter medications are prescribed to patients that suffer from allergies: medication A and medication B. Any time a patient comes to the doctor complaining about allergies, the doctors ask patients if they would like to volunteer to try one of the test medications. If they respond 'yes', they are asked about how severely they are affected by allergies on a scale from 1 to 10. They are then prescribed one of the two medications and asked to come back in two weeks. After two weeks, they are asked how severely they are currently affected by allergies on a scale from 1 to 10 again, after having taken the allergies, and their results are recorded. Identify one form of bias that may occur from this method of study. Thin
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