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