Examlex
What is the difference between reliability and validity?
Validity
The degree to which an indicator accurately measures or reflects a concept.
Reliability
The likelihood that a particular measure would produce the same results if the measure were repeated.
Indicator Variable
A variable in statistical modeling that assigns a value of 0 or 1 to indicate the non-presence or presence of a specific condition or attribute.
Social Mobility
The movement of individuals, families, or groups through a system of social hierarchy or stratification, which can be upward or downward.
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