To have a frame of reference against which to compare experimental findings,a scientist must
A)study two groups: a control group and an experimental group.
B)eliminate all expectations that might cause a biased interpretation of the results.
C)have other scientists look at the results.
D)do nothing;a "frame of reference" is not necessary.

Question

Quizplus · Accepted Answer

By studying both a control group and an experimental group, a scientist can compare their results and establish a baseline for comparison. This provides a frame of reference for interpreting the findings.

To Have a Frame of Reference Against Which to Compare