Two study designs are described here. Which statement is a correct interpretation of the designs?
Scenario A is an example of a observational study.
The treatment was the liquid.
The placebo was the liquid.
The explanatory variable of this experiment is .
Which of the following could be a potential confounding variable in the experiment? Select all that apply.
This is an example of a(n) .
A potential confounding variable in this experiment could be .
There are treatments, and they are the .
The factor is the .
Select all the sentences that correctly identify the components of the experiment.
Scenario B is an example of a observational study.
The response variable of this experiment is .
The response variable, may be influenced by more than just the explanatory variable, .
There are treatments, and they are the .
The levels are the .
The placebo was the .
The response variable, may be influenced by more than just the explanatory variable, .
The experimental units are the .
Since the experimental units human beings, they are called .
Did you find these answers helpful?