Homework Answers
observational study is where nothing changes and just record what we observe or see, but in an experimental study we have a control group and a testable group .
Here we observe 2 groups that is children from urban area and children from rural area and what are their obesity rates . This is clearly and observational study .
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Indicate whether the study described is an observational study or a controlled experiment The obesity rates...
Determine if the following scenario is an observational study or a controlled experiment. A doctor is...
Determine if the following scenario is an observational study or a controlled experiment. A doctor is interested in determining whether a certain medication increases the risk of high bloodpressure. He reviews his patients' medical records and finds that a higher proportion of people who take the medication are suffering from high blood pressure. A)Neither B) Observational study C) Controlled experiment
Indicate whether each of the following studies is an experiment or an observational study. If it...
Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables
Urban Brains and Rural Brains A study published in 2010 showed that city dwellers have a...
Urban Brains and Rural Brains A study published in 2010 showed that city dwellers have a 21 % higher risk of developing anxiety disorders and a 39% higher risk of developing mood disorders than those who live in the country. A follow-up study published in 2011 used brain scans of city dwellers and country dwellers as they took a difficult math test.1 To increase the stress of the participants, those conducting the study tried to humiliate the participants by telling...
Determine whether the given description corresponds to an observational study or an experiment In a study...
Determine whether the given description corresponds to an observational study or an experiment In a study of 351 boys with a particular disease, the subjects were asked to conplete a survey about their diet upon arrival to a hospital Does the given description correspond to an observational study or an experiment? A. The given description corresponds to an experiment O B. The given description corresponds to an observational study O C. The given description does not provide enough infornation to...
Tell whether each scenario is: Survey, Observational study, Experiment, or a Simulation: a) An study is...
Tell whether each scenario is: Survey, Observational study, Experiment, or a Simulation: a) An study is conducted to determine a new treatment drug for Covid 19 has different side effects for different age groups. People with the virus are placed into a treatment group, placebo group and control group to determine if there were in fact a faster recovery for those in the treatment group. b) 2000 people were studied to determine if they social distance and wear a mask...
For each of the following scenarios, (1) identify whether it’s observational study or experiment, and (2)...
For each of the following scenarios, (1) identify whether it’s
observational study or experiment, and (2) identify explanatory
variable and response variable.
For each of the following scenarios, (1) identify whether it's observational study or experiment, and (2) identify explanatory variable and response variable. Studies conducted in New York City and Boston have noticed that more heart attacks occur in December and January than in all other months. Some people have tried to conclude that overindulgence causes the increased risk...
Determine whether each experiment described below is observational or designed, and explain your reasoning. B ucouTICIP...
Determine whether each experiment described below is
observational or designed, and explain your reasoning.
B ucouTICIP Determine whether each experiment described below is observational or designed, and explain your reasoning. a. A farmer uses pesticide on all her crops for one full year, and no pesticide the next, and then compares her net income for both years in order to determine whether the pesticide is worth its price. O A. An observational experiment because the analyst simply observes the treatments...
8) A designed experiment is described. Identify the specified element. A researcher wants to investigate whether...
8) A designed experiment is described. Identify the specified element. A researcher wants to investigate whether different forms of exercise can be used to help hyperactive children. A group of 90 children is divided into two groups according to age - those aged 9-12 and those aged 5-9. Within each age group the children are randomly assigned to one of three groups. The first group will just do their normal exercise. The second group will be given an additional exercise...
what are some Lifestyle Issues about the public in modern day? Another public health issue that...
what are some Lifestyle Issues about the public in modern day? Another public health issue that I believe can be associated with low socio economic status is childhood obesity. At least in the United States, the areas of our country that typically trend towards a low socioeconomic status are more urban areas. Because these urban areas are overrun mainly by housing and other buildings, there is a distinct lack of social green space. A longitudinal study conducted in Southern California...
Question 4 (2 points) Saved The study "Transcatheter or Surgical Aortic-Valve Replacement in Intermediate-Risk Patients" was...
Question 4 (2 points) Saved The study "Transcatheter or Surgical Aortic-Valve Replacement in Intermediate-Risk Patients" was published in the New England Journal of Medicine in 2016. This study compared the efficacy of two treatments for cardiovascular malfunction. Over 1,000 low-risk patients were randomly assigned to a standard treatment: a type of invasive heart surgery. Another 1,000 low-risk patients were randomly assigned to a nonstandard treatment: the use of a less invasive non-surgical catheter. Researchers compared the two treatment groups, and...
Urban Brains and Rural Brains A study published in 2010 showed that city dwellers have a 21 % higher risk of developing anxiety disorders and a 39% higher risk of developing mood disorders than those who live in the country. A follow-up study published in 2011 used brain scans of city dwellers and country dwellers as they took a difficult math test.1 To increase the stress of the participants, those conducting the study tried to humiliate the participants by telling...
Determine whether the given description corresponds to an observational study or an experiment In a study of 351 boys with a particular disease, the subjects were asked to conplete a survey about their diet upon arrival to a hospital Does the given description correspond to an observational study or an experiment? A. The given description corresponds to an experiment O B. The given description corresponds to an observational study O C. The given description does not provide enough infornation to...
For each of the following scenarios, (1) identify whether it’s
observational study or experiment, and (2) identify explanatory
variable and response variable.
For each of the following scenarios, (1) identify whether it's observational study or experiment, and (2) identify explanatory variable and response variable. Studies conducted in New York City and Boston have noticed that more heart attacks occur in December and January than in all other months. Some people have tried to conclude that overindulgence causes the increased risk...
Determine whether each experiment described below is
observational or designed, and explain your reasoning.
B ucouTICIP Determine whether each experiment described below is observational or designed, and explain your reasoning. a. A farmer uses pesticide on all her crops for one full year, and no pesticide the next, and then compares her net income for both years in order to determine whether the pesticide is worth its price. O A. An observational experiment because the analyst simply observes the treatments...
Question 4 (2 points) Saved The study "Transcatheter or Surgical Aortic-Valve Replacement in Intermediate-Risk Patients" was published in the New England Journal of Medicine in 2016. This study compared the efficacy of two treatments for cardiovascular malfunction. Over 1,000 low-risk patients were randomly assigned to a standard treatment: a type of invasive heart surgery. Another 1,000 low-risk patients were randomly assigned to a nonstandard treatment: the use of a less invasive non-surgical catheter. Researchers compared the two treatment groups, and...
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