Stephanie is a psychology student doing a research project. There are several theories that suggest the way students use lecture slides impacts their learning. Stephanie wants to find out if exam results differ between students who use copies of lecture slides during class and students who do not access copies of lecture slides during class. Based on the scenario, answer the following questions: a)  What design should Stephanie use? b)  Justify your choice of design.  c)  Who is involved?  That is, who are the participants, how many are there, and how will the data be obtained?  d)  What will participants do?   Describe the procedure, instruments, etc.  e)  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 impacted?   f)  What control techniques could you use?   Explain what you expect these to achieve.

Stephanie is a psychology student doing a research project. There are several theories that suggest the way students use lecture slides impacts their learning. Stephanie wants to find out if exam results differ between students who use copies of lecture slides during class and students who do not access copies of lecture slides during class.

Based on the scenario, answer the following questions:

a)  What design should Stephanie use?
b)  Justify your choice of design. 
c)  Who is involved?  That is, who are the participants, how many are there, and how will the data be obtained? 
d)  What will participants do?  
Describe the procedure, instruments, etc. 
e)  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 impacted?  
f)  What control techniques could you use?  
Explain what you expect these to achieve.