Examlex
It can be said that voluntary trade will not occur unless all parties involved believe that they will be better off after trading than they were before.Considering that the supply of goods and services does not change in trade and only changes hands,how is it possible that each party improves? Shouldn't one party benefit at the expense of another?
Correlation Coefficient
An index of how strongly two variables are related to each other.
Alternate Forms Reliability
A measure of reliability obtained by administering different versions of an assessment tool to the same group of individuals.
Test-retest Reliability
A measure of consistency where a test is administered twice to the same participants under similar conditions, and scores are compared.
Interrater Reliability
A measure of how consistently different raters or observers evaluate the attributes or performances of subjects or items.
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