What is the definition of paradigm shift and who coined this term?
1) A fundamental change in the basic concepts and practices of a scientific discipline or field of study, typically resulting from the introduction of new technology or a new perspective. It was coined by Thomas Kuhn.
2) A shift in the way people think about a particular topic or issue. It was coined by Albert Einstein.
3) A change in the dominant belief system or worldview. It was coined by Karl Marx.
4) A transformation in the way society functions. It was coined by Max Weber.