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MATH 225N Week 1 Evidence, Claims, and types Questions and Answers 2021
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- NICOLE-W
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- A study is … to research the effects of drinking coffee on hours of sleep. Would an experimental or observational study design … more appropriate?
- Question: A researcher is … in the effects of watching videos just before bed on the quality of sleep. Which of the following claims would … appropriate for this situation? Select only one answer choice.
- Question: In a psychological study aimed at testing a medicine for reducing stress levels, the researcher grouped the participants into 2groups and gave the stress-reduction pill to one group and a placebo pill to another group. In the description of the above situation, determine the experimental group.
- Question: In a survey conducted to find out the feedback of a sports program organized in a club, the organizers asked the respondents to classify their feedback as good, fair, poor, and bad. Is the study observational or experimental? If it is an experiment, what is the … factor?
- Question: In a survey conducted to find out the feedback of a sports program organized in a club, the organizers asked the respondents to classify their feedback as good, fair, poor, and bad. Is the study observational or experimental? If it is an experiment, what is the … factor?
- Question: A study was … with a random sample of 513bolts produced at one factory. What population would … appropriate for generalizing conclusions from the study, assuming the data collection methods used did not introduce biases?
- Question: A researcher wants to find out the effect of the amount of protein eaten at breakfast on the aerobic performance of runners. Would an experimental or observational study design … more appropriate?
- Question: In the description of the following experiment, determine the experimental factor. A pharmaceutical company conducted an experiment to test a breakfast drink for school children. The company enrolled students for the experiment in the age group of 6to 10 and divided them into two groups. One group received the new breakfast drink with their normal breakfast, and the other group drank the same amount of a similar looking juice. Identify the experimental factor.
- Question: A study was … with a random sample of 200people from one college. What population would … appropriate for generalizing conclusions from the study, assuming the data collection methods used did not introduce biases?
- Question: A team of physicians is studying a weight-loss pill. They recruited volunteers for a study. The volunteers were in the age group of 30to 35 and were more than 40 pounds overweight. The physicians gave the new weight-loss pill pack to one group. The other group received a pill pack that resembled the new weight-loss pill pack but was a placebo. In the description of the above situation, determine the experimental group.
- Question: A study was conducted among school students on the relationship between getting up late and getting to school late. Is this an example of an observational study or experimental study? If it is an experiment, what is the controlled factor?
- Question: A consumer research company is interested in determining if a certain company’s new refrigerator model is more efficient than the older model. What should the researchers do first?
- Question: A research team is testing a product that will minimize wrinkles among women. Volunteers in the age group of 40to 45 are included in the research. The research team gives a bottle of the solution to one group and a similar bottle of solution with no ingredients intended to lessen wrinkles to the other group. In the description of the above situation, determine the control group.
- Question: Is a survey of the guests about their preference of food at a party an observational study or experimental study? If it is an experiment, what is the … factor?
- Question: A pharmaceutical company conducted an experiment to test a drug for controlling diabetes. The company enrolled participants for the experiment and divided them into 2 One group received an inert drug, and the other group received the diabetes-control drug. In the description of the above experiment, determine the control group.
- Question: A consumer research company is interested in determining if a certain company’s new refrigerator model is more efficient than the older model. Researchers decide to investigate the claim that the new model uses 10%less electricity than the older model for the same cooling load. Which data collection method is appropriate? Select only one answer choice.
- Question: In a study to identify the effectiveness of drugs in reducing smoking habits, the study participants were grouped into 3 Each of the groups was … randomly to one type of drug, either Drug A, Drug B, or Drug C. Results were … for a 4 week period. Is the study observational or experimental? If it is an experiment, what is the … factor?
- Question: A consumer research company is … in determining if a certain company’s new refrigerator model is more efficient than the older model. Which might … an appropriate claim to result from this research?
- Question: In a psychological study aimed at testing a medicine for reducing stress levels, the researcher grouped the participants into 2groups and gave a stress-reduction pill to one group and a placebo pill to another group. In the description of the above situation, determine the control group.
- Question: A candy manufacturer is … in the distribution of colors in each of its packages of candy sold. The manufacturer randomly sample packages from multiple batches at one factory. Are the results generalizable to the company’s other factories that produce the same candy?
- Question: A biologist is interested in finding the relationship between the amount of sunlight and the growth rate of sunflowers. Would an experimental or observational study design … more appropriate?
- Question: To test the effectiveness of a drug proposed to relieve symptoms of depression, psychiatrists recruited volunteers for clinical tests. All of the volunteers were … with symptoms of depression. The psychiatrists provided the drug to first group and a sugar pill to the second group. In the description of the above situation, determine the control group.
- Question: A scientist is interested in finding out the effect of soil quality on crop quality. Would an experimental or observational study design … more appropriate?
- Question: A researcher is … in the effects of watching videos just before bed on the quality of sleep. He has decided to test the claim “Watching 1hour of video just before going to bed reduces the number of minutes of REM sleep by more than 10%.” How should the number of hours of video … treated?
- Question: In the description of the following experiment, determine the experimental factor. A team of physicians testing a new liquid drug taken using an inhaler for treating colds gave the drug to one group of volunteers enrolled for the test. They gave the other group water using the same kind of inhaler.
- Question: A candy manufacturer is … in the distribution of colors in each of its packages of candy sold. Which question is appropriate for their research?
- Question: Is an online poll asking the preferred mobile phone type used by school children an observational study or experimental study? If it is an experiment, what is the … factor?
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[Solved] MATH 225N Week 1 Evidence, Claims, and types Questions and Answers 2021
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- Submitted On 21 Apr, 2021 02:52:58
Answer posted by
- NICOLE-W
- Rating : 0
- Grade : No Rating
- Questions : 0
- Solutions : 233
- Blog : 0
- Earned : $128.80
A study is … to research the effects of drinking coffee on hours of sleep. Would an experimental or observational study design … more appropriate?
Question: A researcher is … in the effects of watching videos just before bed on the quality of sleep. Which of the following claims would … appropriate for this situation? Select only one answer choice.
Question: In a psychological study aimed at testing a medicine for reducing stress levels, the researcher grouped the participants into 2groups and gave the stress-reduction pill to one group and a placebo pill to another group. In the description of the above situation, determine the experimental group.
Question: In a survey conducted to find out the feedback of a sports program organized in a club, the organizers asked the respondents to classify their feedback as good, fair, poor, and bad. Is the study observational or experimental? If it is an experiment, what is the … factor?
Question: In a survey conducted to find out the feedback of a sports program organized in a club, the organizers asked the respondents to classify their feedback as good, fair, poor, and bad. Is the study observational or experimental? If it is an experiment, what is the … factor?
Question: A study was … with a random sample of 513bolts produced at one factory. What population would … appropriate for generalizing conclusions from the study, assuming the data collection methods used did not introduce biases?
Question: A researcher wants to find out the effect of the amount of protein eaten at breakfast on the aerobic performance of runners. Would an experimental or observational study design … more appropriate?
Question: In the description of the following experiment, determine the experimental factor. A pharmaceutical company conducted an experiment to test a breakfast dri...
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