The word paradigm has been widely used, especially after its debut by the philosopher Thomas S. Khun in his book "The structure of scientific revolutions published in 1962". Paradigms are the different theories applied in scientific research, i.e., paradigms in research are a mixture of the researcher's own philosophical currents and orientations applied to the needs of the search for truth with veracity in scientific research regardless of the academic level or discipline. The paradigms that are addressed in this document for didactic purposes for the understanding by the academic and student community of undergraduate and graduate students respectively are: Positivist, Positivist, Critical, Socio-Critical, Constructivist, Phenomenological, Ethnomethodological, Cognitive, Environmentalist, Interpretive, Explanatory, Rationalist, Empirical, Logical, Pragmatic, Social Historical and the Paradigm of Scientific Revolutions. In conclusion, paradigms are a tool that allows the search for truth from various contexts and disciplines.