A college professor hypothesizes that readers will comprehend more when reading a graphic novel than when reading text with no illustrations. To conduct an experiment, the professor will assign some students to the control group with a reading assignment in paragraph form and other students to the treatment group with a reading assignment in graphic novel form. Afterwards, all the students will take a quiz about the reading.
Answer
A
that both groups are made up of students from the same class.
B
that the treatment group has more students to better test the hypothesis.
C
that each student does not know about the alternative version of the assignment.
D
that both groups are roughly equivalent with regards to students’ gender, reading ability, and study habits.