Positive punishment involves adding an undesirable stimulus in order to increase a behavior

When Luke kissed Laura, her heart rate increases. Luke always wore Old Spice After Shave. Whenever Laura smelled Old Spice, her heart raced. Laura's increased heart rate when Luke kissed her was the:

a. unconditioned stimulus. b. unconditioned response. c. conditioned stimulus. d. conditioned response.

Erik observes that when he dresses in business casual, people seem more comfortable approaching him. He wants to know if this is true because it is very important to him that he meet new people at college. If Erik uses the scientific method to investigate this, what type of research would he be doing?

a) replication b) experimental c) basic d) applied