An old issue in psychological assessment is to what extent power and speed each are measured by a given intelligence test. Starting from accuracy and response time data, an approach based on posterior time limits (cut-offs of recorded response time) leads to three kinds of recoded data: time data (whether or not the response precedes the cut-off),…

As part of a neuropsychological assessment, 95 adult patients completed either standard or computerized versions of the Category Test. Subjects who completed the computerized version exhibited more errors than those who completed the standard version, suggesting that it may be more difficult. (SLD)