FMST 210 Lecture Notes - Lecture 1: Quasi, N100, Internal Validity
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6 Dec 2015
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Skepticism or critically evaluating knowledge claims requires an analysis of validity. It is important to note that a single research study will never achieve absolute (100%) validity/truth; validity is a matter of degree. On the other hand, it is appropriate to say that some studies have a higher degree of validity than others. In this section of the lecture template, we will review two types of validity internal and external: internal validity. If the purpose of your research study is to determine if two or more variables are causally related, then you need to ensure that your research method enables you to meet all of the following three criteria. Causal does smoking contribute to lung cancer: association. This criterion demands that you are able to demonstrate that there is a relationship between the variables in your research question. For surveys/observational studies calculate a correlation because i measured all my variables.