When a researcher who is collecting data does not know a study's hypothesis, the study is a:
A) blind study
B) confounded study
C) meta-analytic study
D) reactivity study

Question

Quizplus · Accepted Answer

A blind study is one in which the researcher collecting data does not know the study's hypothesis, thus eliminating bias that may occur as a result of the researcher's expectations or preconceived ideas. A confounded study is one in which the effects of two or more variables cannot be separated, a meta-analytic study is a statistical analysis that combines the results of multiple studies to draw conclusions, and a reactivity study investigates how the act of observing participants' behavior affects the behavior being observed.

When a Researcher Who Is Collecting Data Does Not Know