Strength Of Association Assignment | Homework For You

Question 1 of 13 0.5 Points

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All of the following are true in a Randomized Control Trial except:


 A. Baseline characteristics of intervention and control group should be similar.

B. Investigator’s bias can be minimized by double blinding.

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C. The sample size required depends on the hypothesis.

D. The drop-outs from the trial should be excluded from the analysis.

Question 2 of 13 0.5 Points

In general, the purpose of including a control condition is to:

A. To encourage potential participants to enroll in the trial

B. To discourage potential participants from enrolling in the trial

C. To ensure that the treatment and comparison groups are comparable with respect to potential confounders

D. To provide a comparison arm by which the investigator may gauge the effects of the treatment

Question 3 of 13 0.5 Points

Which of the following is true about randomization in an Randomized Control Trial.

A. We are able to control for known and unknown confounders associated our topic of interest.

B. Clinical trials are not ethical unless they are completed by randomizing subjects into different groups.

C. Randomization in control trials will always result in comparable baseline characteristics between the study arm and control arm.

D. A study can have true randomization and true double blinding, but never both.

Question 4 of 13 0.5 Points

Why do randomized control trial articles often include a table comparing demographics and other baseline characteristics between the study arm(s) and the control arm? Please select the BEST response.

A. The outcome effect measure may be inaccurate if there are differences between study arms, but if they are documented, the authors can easily provide an accurate adjusted outcome measure.

B. To show that randomization resulted in similar proportions of individuals in each arm with respect to baseline characteristics and demographics.


 C. To show that randomization resulted in the same number of people in each arm.

D. It is generally good practice to include baseline characteristics and demographics in an article. Get Biology homework help today

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