Answer: Psychology is a science because of the use of a scientific approach to study behavior.
Explanation:
For many years it has been inquired about whether psychology is a science or not. People, in general, consider science areas such as biology and chemistry, but when psychology is mentioned, doubts enter. Many people do not see psychology as a science, that the methods used to study human behavior are not valid and lack scientific rigor. Some people do consider psychology as a science since they understand that the procedures and research carried out in the study of human behavior have enough weight to have a scientific character.
For an area of study to be considered as a science, it must meet some basic requirements, one of these is to have a clear epistemology. It should be clear the area where it wants to deepen and expand knowledge. Going by the scientific method is also something that every area must take into account to be a science. The scientific method, which seeks explanations and solutions to the problem. Psychology at the time of conducting scientific research takes into account the mentioned elements.
Psychology at the time of conducting research takes into account elements of the scientific field so that its results are valid and not simply be theories exposed without any foundation.
As for the second question, these students make up Kevin's sample. They are Kevin's sample because he selected students who were in lower-level psychology courses at his university. In research, a sample is when you study a part of what will be representative of the rest of the population.
Young adults, in general, constitute Kevin's population. Population is the total set of individuals or objects that are to be investigated or studied. In Kevin's work, his population is young adults, no matter what course they are in.
