Classical test theory says an observed score includes true score and error.
经典测验理论认为,观察到的分数包含真分数和误差。
Using classical test theory, we estimated the test’s reliability and identified items that reduced consistency across administrations.
运用经典测验理论,我们估计了测验的信度,并找出了那些会降低多次施测一致性的题目。