A researcher has 40 people to assign into two groups: an experimental group and a control group. The researcher flips a coin: heads, experimental group and tails, control group. This is an example of
A. monetary assignment.
B. experimenter bias.
C. random assignment.
D. treatment effects.
Answer:C
A researcher has 40 people to assign into two groups: an experimental group and a control group. The researcher flips a coin: heads, experimental group and tails, control group. This is an example of
A. monetary assignment. B. experimenter bias. C. random assignment. D. treatment effects.