Question

A group of researchers recruited a group of 100 college freshman to test the effectiveness of discussion boards to help students prepare for exams. The researchers randomly assigned each student to one of two groups -- 50 to a discussion board group where students worked together to answer the study guide questions and discuss them together, and 50 to a group that prepared for exams with no discussion board activity. They then compared the midterm exam scores of the two groups. This is an example of a:

A. Within subjects design
B. Between groups design
C. Independent design
D.Random variable design

Answer 1

B. Between groups design

Step-by-step explanation:

Between groups design: In psychological research, the term between groups design is defined as an experiment or research that consists of two or more than two groups of participants or subjects and each of them is being tested or measured through a different measuring or testing factors at the same time. In the between-groups design, each person is being exposed to a single or particular user interface.

In the question above, the given statement is an example of a between-groups design.