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