According to Thomas Kuhn's concept of 'paradigm shifts' in scientific revolutions, which of the following are characteristics of a paradigm shift?
A. Incremental additions to existing scientific knowledge.
B. Radical changes in the fundamental concepts and experimental practices of a scientific discipline.
C. Resolution of anomalies that existing paradigms cannot explain.
D. Widespread consensus within the scientific community before a shift occurs.
Choose the most appropriate answer from the options given below:
1
A and D only
2
B and C only
3
B, C and D only
4
A and B only