教甄◆英文科題庫下載題庫

Reliability refers to to what extent the results can be replicated with the use of same methods under the same circumstances. Validity deals with how the results can match reality. 
To achieve reliability, people can conduct three different kinds of methods. First, test-retest helps us know whether we can get the same results after we repeat the measurement. Second, the consistency between interrators can improve reliability. Third, internal consistency can be achieved through obtaining the same results of divided parts of measurement tool(s).

題目關鍵字: "...students took the same vocabulary t...

Reliability refers to to what extent the results can be replicated with the use of same methods under the same circumstances. Validity deals with how the results can match reality. 
To achieve reliability, people can conduct three different kinds of methods. First, test-retest helps us know whether we can get the same results after we repeat the measurement. Second, the consistency between interrators can improve reliability. Third, internal consistency can be achieved through obtaining the same results of divided parts of measurement tool(s).

題目關鍵字: "...students took the same vocabulary test twice wihin two days...got the same results..." shows test-retest reliability.