If Dr.Bui uses random assignment in her research, then she can make the reasonable assumption that:
A) her experimental and control groups have similar characteristics prior to receiving the experimental treatment.
B) any observed differences between her experimental and control groups are statistically significant.
C) her findings can be generalized to populations she has not yet studied.
D) the participants in her study are extremely similar to the people in the larger populations from which they were selected.

Question

Quizplus · Accepted Answer

Random assignment ensures that participants have an equal chance of being placed in either the experimental or control group. This means that any differences in characteristics between the two groups are due to chance, rather than systematic differences. Therefore, Dr. Bui can reasonably assume that her groups have similar characteristics prior to receiving the experimental treatment.

If DrBui Uses Random Assignment in Her Research, Then She Can