Barry is a psychology student doing a research project. There are good theoretical reasons to expect that students who participate in small study groups achieve better exam results than students who do the same amount of study alone.Barry wants to find out if exam results differ between students who participate in a study group versus those that study alone.

Required:

Use the Decision Making Framework for the design - as below for choice of design

What design will be used? - Weak One-Group Posttest-Only One-Group Pretest-Posttest Design Posttest Only with Nonequivalent Groups - Strong Between Within Mixed Factorial

1. Name and describe the design Lisa should use? (2 marks)

1. Justify your choice of design. (4 marks)

1. Who are the participants, how many are there, how will they be recruited? (3 marks)

1. What will participants do? Describe the procedure, instruments, etc. (6 marks)

1. Thinking about the different types of validity, what aspects of your design could negatively impact the validity of the study? Which type(s) of validity is(are) impacted and how? (5 marks)

1. What control techniques could you use? Explain what you expect these to achieve. (5 marks)