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