Describe what is meant by a Randomized, Controlled, Double-blind study.
Homework Answers
Answer:
Randomized study: It is a type of the study in which the designs particularly of the study has the assigns the random participants for the particular experiment which may also be related to the group. So when the experiment or the study is carried out then the expected difference between the control and also the experiment group in the type of randomized study is studied.
Controlled study: Controlled study is a comparison type of the study. In the controlled study there is the presence of two or more group for the comparison purpose.
Double-blind study: In the double blind study both the participants as well as the experiments does not involves. So that when they does not known which treatment is received by the particular person. So this helps to overcome the problem of the bias.
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Describe what is meant by a Randomized, Controlled, Double-blind
study.
A study for the treatment of patients with HIV-1 was a randomized, controlled, double-blind study that...
A study for the treatment of patients with HIV-1 was a randomized, controlled, double-blind study that compared the effectiveness of ritonavir-boosted darunavir (rbd), the drug currently used to treat HIV-1, with dorovirine, a newly developed drug. Of the 375 subjects taking ritonavir-boosted darunavir, 307 achieved a positive result. Of the 375 subjects taking dorovirine, 321 achieved a positive result. Complete parts (a) and (b). Find the sample percentage of subjects who achieved a positive outcome in each group. The sample...
a or c? 13. A randomized double blind study is considered the best way to judge...
a or c?
13. A randomized double blind study is considered the best way to judge if a treatment is effective. In this type of trial both doctor and patient are 'blind' to control for in the patient and in the doctor. (A) placebo effect, bias (C) bias, placebo effect (B) bias, malpractice (D) symptoms, bias
> Question 9 3 pts In a randomized, double-blind, placebo-controlled trial of children, echinacea was tested...
> Question 9 3 pts In a randomized, double-blind, placebo-controlled trial of children, echinacea was tested as a treatment for upper respiratory infections in children. "Days of fever" was one criterion used to measure effects. Among 337 children treated with echinacea, the mean number of days with fever was 0.81, with a standard deviation of 1.50 days. Among 370 children given a placebo, the mean number of days with fever was 0.64 with a standard deviation of 1.16 days. Assuming...
A multicenter double-blind randomized study was carried out to compare the effect of drug X with...
A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug started 7 days after infarction in 1,884 patients, 52% of all persons who were evaluated for entry into the study. 945 participants were randomized to treatment with drug X while 939 were assigned to the placebo group. Patients were then followed for 12 months for reinfarction. There were 152...
In a randomized double-blind, placebo-controlled trial of children, an herb was tested as a treatment for...
In a randomized double-blind, placebo-controlled trial of children, an herb was tested as a treatment for upper respiratory infections in children. "Days of fever was one criterion used to measure effects. Among 335 children treated with the herb, the mean number of days with fever was 0.78, with a standard deviation of 1.51 days. Among 387 children given a placebo, the mean number of days with fever was 0.56 with a standard deviation of 123 days. Usea 0.01 significance level...
What is the best study to assess the effectiveness of an intervention in a randomized controlled...
What is the best study to assess the effectiveness of an intervention in a randomized controlled trial?
A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug star...
A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug started 7 days after infarction in 1,884 patients, 52% of all persons who were evaluated for entry into the study. 945 participants were randomized to treatment with drug X while 939 were assigned to the placebo group. Patients were then followed for 12 months for reinfarction. There were 152...
Hypothesis- Epidemiology- Case-Control Study- Clinical Trial- Experimental Group- Control Group- Placebo- Single-Blind Study- Double-Blind Study-1
Hypothesis- Epidemiology- Case-Control Study- Clinical Trial- Experimental Group- Control Group- Placebo- Single-Blind Study- Double-Blind Study-1
A randomized controlled study aimed to study the efficacy of Vitamin D supplements for prevention of...
A randomized controlled study aimed to study the efficacy of Vitamin D supplements for prevention of prostate cancer was conducted among White males aged 50-64 years across all New England states in the United States. Can you identify potential limitation(s) of this study and suggest ways to address it(them)?
Explain the concept of randomized controlled trials, and Assess the usefulness of randomized controlled trials in...
Explain the concept of randomized controlled trials, and Assess the usefulness of randomized controlled trials in measuring program impact.
a or c?
13. A randomized double blind study is considered the best way to judge if a treatment is effective. In this type of trial both doctor and patient are 'blind' to control for in the patient and in the doctor. (A) placebo effect, bias (C) bias, placebo effect (B) bias, malpractice (D) symptoms, bias
> Question 9 3 pts In a randomized, double-blind, placebo-controlled trial of children, echinacea was tested as a treatment for upper respiratory infections in children. "Days of fever" was one criterion used to measure effects. Among 337 children treated with echinacea, the mean number of days with fever was 0.81, with a standard deviation of 1.50 days. Among 370 children given a placebo, the mean number of days with fever was 0.64 with a standard deviation of 1.16 days. Assuming...
In a randomized double-blind, placebo-controlled trial of children, an herb was tested as a treatment for upper respiratory infections in children. "Days of fever was one criterion used to measure effects. Among 335 children treated with the herb, the mean number of days with fever was 0.78, with a standard deviation of 1.51 days. Among 387 children given a placebo, the mean number of days with fever was 0.56 with a standard deviation of 123 days. Usea 0.01 significance level...
Hypothesis- Epidemiology- Case-Control Study- Clinical Trial- Experimental Group- Control Group- Placebo- Single-Blind Study- Double-Blind Study-1
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