What is a core aspect of empirical evidence in science?

Empirical evidence in science is fundamentally grounded in observation and data. This means that it is evidence that can be tested, verified, and replicated through direct experience or experimentation. Scientists collect empirical evidence to formulate hypotheses, conduct experiments, and ultimately arrive at conclusion based on objective criteria rather than subjective opinions or beliefs.

The significance of this empirical approach lies in its reliance on observable phenomena. This enables scientists to build a body of knowledge that is testable, allowing for predictions and further exploration. For example, when studying human behavior or biological processes, scientists conduct experiments and gather data to substantiate their findings.

By contrast, personal beliefs and theories that are speculative do not provide the reliable foundation that empirical evidence offers. Claims that are solely based on personal convictions lack the necessary validation that observational data provides. Similarly, while statistical data forms a part of empirical evidence, it is not the entirety; empirical evidence encompasses a wider range of observational data, including qualitative observations and experimental results. Thus, being based on observation and data is indeed a core aspect of empirical evidence in the scientific methodology.