Valsts valodas centra izstrādātie izglītības, mākslas un kultūras termini

Konteksts: [..] Also known as parallel or alternate forms. Different versions of the same test, which are regarded as equivalent to each other in that they are based on the same specifications and measure the same competence. To meet the strict requirements of equivalence under classical test theory, different forms of a test must have the same mean difficulty, variance and covariance, when administered to the same persons. Equivalence is very difficult to achieve in practice. [..]
Avots: Common European Framework of Reference for Languages: Learning, Teaching, Assessment