Answer :
Final answer:
In the scenario where a psychology student needs to select a sample for a study from Psychology 101 classes, the population is the total enrollment in these classes, which is 635 students.
Explanation:
The question relates to identifying the population in a psychological research study scenario where a graduate psychology student needs to select 50 students from the current enrollment in Psychology 101 classes for a study. In a research context, the population refers to the entire group of individuals or instances about which researchers are interested. In this scenario, since the student is interested in all students currently enrolled in Psychology 101, the population size is the total number of students enrolled in those classes.
Therefore, given the options provided, the correct answer is that the population of Psychology 101 students is 635 students. This number represents all students currently enrolled in Psychology 101 courses, making it the group from which the sample will be drawn for the study.
