M4A1 DISCUSSION – Academic Design (RESEARCH METHODS CLASS)

MUST BE ORIGINAL
PLEASE CITE REFERENCES APA 6TH ADDITION, INCLUDING URL
MUST BE DETAILED AND WELL WRITTEN
Imagine you were conducting research on the relationship between academic performance (e.g., better grades) and different levels of loudness of music (interval scale) while studying. 

How would you design the study using a correlational design?
How would you design the study using a quasi-experimental design?
How would you design the study using an experimental design?