Experimental Designs
Pressure and Pounds
A dietician is interested in testing whether her patients’ weight is associated with their blood pressure. She takes the patients weight (lbs) and blood pressure and uses the scores as her continuous variables. She then runs the analyses and finds that her patients who weighed more were more likely to suffer from high blood pressure.
This is an example of...
Good, The researcher did not manipulate any variables so this is a non-experimental design.
Variables in this example were not manipulated, so it cannot be randomized-controlled.
Variables in this example were not manipulated, so it cannot be quasi-experimental.