Question

Dr. rhodes is interested in how differing levels of light affect how people perceive color. he finds participants for this research study by making an announcement in several psychology classes at his university. what kind of sampling method is dr. rhodes using? question 1 options: snowball sampling systematic sampling convenience sampling cluster sampling

Answer 1

I believe the answer is: convenience sampling
convenience sampling refers to the method in collecting data in which the subjects are taken from the group of people that are easily accessible by the researchers.
(since Dr. Rhodes is a professor, his Students could be considered as convenience sampling)