In scientific research, what does the principle of 'falsifiability' refer to?
The degree to which a research study's findings remain consistent when repeated using the same methods and procedures.
The extent to which a research investigation is kept free from the subjective biases and expectations of the investigator.
The process of independent peers evaluating a research paper before publication to detect fraudulent or fabricated data.
The requirement that a theory must be formulated in such a way that it can be empirically tested and potentially proven false.