It is widely believed that subscores can give us more information about an examinee. Thus they can be useful in planning instructional and remedial efforts, or making vocational or academic placement decisions. However, past research has shown that subscores are often not as useful as hoped either because they do not have high reliability or…

Response latency has been widely used as a cognitive method to investigate how respondents answer survey questions and also as a method to identify problems with survey questions (e.g., flawed or poorly worded questions) or errors associated with respondents' behaviors (e.g., faking). However, little attention has been paid to using response…