Which of the following explains the difference between Conceptual Research and Empirical Research?

The correct option is: The former of the two is related to some abstract idea(s) or theory, and the latter relies on experience and observation alone.

To understand why this is the correct distinction, let us break down both research methodologies:
1. Conceptual Research: This type of research is generally related to some abstract ideas or theories. It is frequently used by philosophers and thinkers to develop new concepts or to re-interpret existing ones. It does not involve conducting practical experiments or gathering primary data; instead, it relies on intellectual analysis and reasoning.
2. Empirical Research: On the other hand, empirical research relies on concrete experience or observation alone, often without due regard for system and theory. It is a data-based research method, coming up with conclusions that are capable of being verified by observation or experiment. We can also call it experimental research.

Therefore, the fundamental difference lies in conceptual research being theory-based and abstract (the former), while empirical research is observation- and experience-based (the latter).