How did the methodology of the experiment change, relative to the ...

[nummyann]

How did the methodology of the experiment change, relative to the prior two studies, when the researchers conducted the third study?
 
  A) they examined perceptions of territoriality in a laboratory setting
  B) they observed territorial behaviors inside the store
  C) they had people who had parked their cars fill out a questionnaire
  D) they took the blood pressure and heart rate of people who recently had their
  parking space stolen from them

Question 2

What is the shape of the comparison distribution?

[Chelseyj.hasty]

Answer to Question 1

C

Answer to Question 2

[nummyann]

TYSM

[LegendaryAnswers]

Thanks for the timely response, appreciate it