Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Validity refers to how accurately an argument or piece of evidence supports its intended claim. It measures whether something is logical, reasonable, and reliable in relation to its purpose.
Related terms
Reliability: The consistency or dependability of data, evidence, or sources.
Logical fallacy: An error in reasoning that weakens an argument's validity.