Q5: Your friend Micah has just started a research assistantship position in a psychology lab that studies alcohol consumption and addiction. His supervisor would like him to collect participants for 3 different studies and tells him that there is a sampling method that will work best for each of the 3 studies. Below are brief descriptions of the 3 studies for which Micah needs to collect participants. For each description, identify the sampling method that would likely work best, state whether your identified method is a probability or non-probability method, and justify your choice. (6 pts total)

A) Study 1: The psychology lab would like to investigate the effect of a clinical intervention on alcohol abuse among individuals with chronic pain. (2 pts)

B) Study 2: The psychology lab is interested in determining average alcohol consumption levels among undergraduate students, but also wants to know if these levels change in each year of undergraduate studies. (2 pts)

C) Study 3: The psychology lab wants to test the general public's attitudes towards individuals experiencing alcoholism based on whether they are well-dressed or not. Participants will be shown images of individuals who are either dressed in business attire or in casual attire in a randomized order and asked to rate each individual's likelihood of experiencing alcohol dependency on a 7-pt Likert scale. (2 pts)