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validity or
valid in Wiktionary, the free dictionary.
Validity or
Valid may
refer to:
Validity (logic), a
property of a
logical argument Validity (statistics)...
- In logic,
specifically in
deductive reasoning, an
argument is
valid if and only if it
takes a form that
makes it
impossible for the
premises to be true...
- face
validity of the test. Face
validity is
often contrasted with
content validity and
construct validity. Some
people use the term face
validity to refer...
- In psychometrics,
criterion validity, or criterion-related
validity, is the
extent to
which an
operationalization of a construct, such as a test, relates...
- reflects.
Modern validity theory defines construct validity as the
overarching concern of
validity research,
subsuming all
other types of
validity evidence such...
- In the
behavioral sciences,
ecological validity is
often used to
refer to the
judgment of
whether a
given study's
variables and
conclusions (often collected...
- both
formal and
informal logic.
Formal logic is the
study of
deductively valid inferences or
logical truths. It
examines how
conclusions follow from premises...
- In psychology,
discriminant validity tests whether concepts or
measurements that are not
supposed to be
related are
actually unrelated.
Campbell and Fiske...
- databases,
valid-time is the time
period when an
event happened or
something was true in the real world, or more
formally when a fact was
valid in the modeled...
-
accurately to the real world. The word "
valid" is
derived from the
Latin validus,
meaning strong. The
validity of a
measurement tool (for example, a test...
