Randomized Control Trials

Question 1

Selection Bias

Answer 1

When Treatment groups are non-equivalent

Question 2

Extraneous Variables vs Confounders?

Answer 2

Confounders are Extraneous Variables that weren’t controlled

Question 3

Hawthorne Effect (type of subject bias)

Answer 3

When people alter their behavior due to their awareness of the experiment

Question 4

With intention to treat, what happens when the control switches over to experimental or vice versa?

Answer 4

They are still treated as what they originally were

Question 5

With an Explanatory “per Protocol” randomized control trial design, what happens when the control switches over to experimental or vice versa?

Answer 5

They are treated as if they were a new member

Question 6

What are the top two levels of Medical Evidence?

Answer 6

1. Systematic review of RCTs

2. RCTs