Dr.Smalley is conducting research on a new high blood pressure drug.He assigns patients to three groups: one group gets the new drug,one receives a placebo; and the third group gets a drug that is the standard drug to treat high blood pressure.But Dr.Smalley and his patients do not know who is receiving what treatment.This is an example of a:

Question

Quizplus · Accepted Answer

This is an example of a double-blind design, where neither the researcher nor the patients know who is receiving which treatment to avoid bias in the data collected. Randomized Latin Squares design and repeated measures design are different experimental designs that are not applicable in this scenario. Stratified sample design is a type of sampling strategy used to obtain a representative sample from different subgroups of a population, which is not relevant to this example.

DrSmalley Is Conducting Research on a New High Blood Pressure