External Validity – Definition, Types & Research Methods pagladirector.com

The concept of validity is now well-established in almost all research fields. According to this concept, a research study or test is valid if it measures what it claims to measure accurately and correctly. There are two types of validity, i.e., internal and external validity. As the topic line suggests, in today’s article, we will learn about the second type of validity. In this article, you will find information about its types and methods of measurement. However, before that, let’s define what this type of validity is.