Revising accepted theories or laws in light of novel facts, or practically applying such revised ______________ or laws, also forms part of research?
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Answer: B. theories
Explanation
Research involves revising accepted theories based on newly discovered empirical facts. Scientific knowledge evolves as new evidence challenges older paradigms. Investigators update established frameworks to reflect recent empirical findings. The scientific method constantly tests and refines existing theoretical models. Empirical evidence acts as the ultimate arbiter of scientific truth. Major paradigm shifts occur when old theories fail to explain new facts.
Physics theories were revised when quantum mechanics revealed subatomic complexities. Medical guidelines change as clinical trials produce new treatment facts. Continuous theory revision ensures scientific progress remains accurate and reliable. Option A refers to applications rather than the revised theories themselves. Option C focuses on recommendations instead of fundamental theoretical frameworks. Option D is incorrect because only specific options apply to theory.
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