Of the Following Which Is Likely a Statement Made by a Quantitative

Of the following which is likely a statement made by a quantitative researcher in a study of cooperative learning.

A) Let's follow the groups for the course of the project and take notes about their social interactions and dialogues.
B) Let's conduct some focus groups with college students about the types of cooperative learning they have encountered in their schooling.
C) Let's compare unit test scores of those who were placed in cooperative groups and those who were not.
D) Let's enroll in a course that uses cooperative groups and observe the nature of the instruction from a student perspective.