Answer the question.
-Which of the following describes a study in which the researchers do not attempt to change the characteristics of those being studied?
A)Case-control study
B)Double-blind experiment
C)Single-blind experiment
D)Observational study

Question

Quizplus · Accepted Answer

An observational study is where researchers observe subjects in their natural or existing environments without manipulating any variables or attempting to change the characteristics of those being studied.

Answer the Question. -Which of the Following Describes a Study in Which the in Which