Compléter Summative assessment principlesVersion en ligne Fill in the gaps with a word to complete the definition. par María Guadalupe Diez Sánchez 1 proves measures value measure amount extent Validity refers to the to which a test what it is supposed to . 2 quantity items consistency students occasions scores Reliability refers to the of test when administered on different . 3 cost user friendly ratio aspect effective Practicality refers to the - of a test . 4 features sources correspondence contents language world Authenticity refers to the of tested to the real of English . 5 teaching testing evidence effects learning actual Washback refers to the of the test on the - process .