Imagine you are sitting in front of a pizza. Before you eat it, imagine what you are sensing - smells, sites, touch sensations. Now as you eat it, what sensations are you experiencing? Afterwards, how do you feel? What is your reaction? By asking you these questions and collecting data, what concept am I using?
a) Introspection
b) No approach - Mrs. Surette is just trying to get you to buy her a pizza
c) Pseudoscience
d) Functionalism