Patsy conducted an experiment that included two groups of jr. high girls. One group received no training while the other received a 3-hour intervention about the benefits of careers in math and science domains. Patsy compared the willingness of girls to enroll in subsequent math courses as her outcome measure. Her t test analysis indicated no differences between her treatment group and the no-exposure control.
-This finding is likely due to
A) preexisting group differences.
B) limited treatment exposure.
C) sampling error.
D) too small a sample size.

Question

Quizplus · Accepted Answer

The 3-hour intervention may have been too brief to produce a measurable effect on the willingness of girls to enroll in math courses, leading to no observed differences between groups.

Patsy Conducted an Experiment That Included Two Groups of Jr