What is the definition of evidence in an argument?

Evidence in an argument is fundamentally understood as reason that is grounded in observation. This means that evidence consists of factual data or reliable information that supports claims and assertions made during an argument. Observational reasoning provides a basis for concluding or inferring, allowing arguments to be substantiated with facts rather than mere speculation or belief.

When arguments are supported by verifiable evidence, they gain credibility and strength, which is critical in effective advocacy and debate. Observational data could include statistics, studies, expert testimony, firsthand accounts, and other forms of reliable information that can be observed or measured. This is essential for persuading an audience or establishing a strong stance in a debate.

In contrast, the other options do not qualify as evidence because they rely on personal beliefs, assumptions, or subjective judgments rather than objective facts supported by observations. This distinction is crucial in constructing persuasive arguments and fostering strong debate skills.