The reliability of derived measures from 4 cognitive paradigms was studied using 19 Navy enlisted men (aged between 18 and 24 years). The paradigms were: graphemic and phonemic analysis; semantic memory retrieval; lexical decision making; and letter classification. Results indicate that derived scores may have low reliability. (SLD)

Two sources of inconsistency were separated by reanalyzing data from a major study on short-term consistency. Little evidence was found for generalizability or behavioral predictability. Results supported the assumption that measurement error from short-term fluctuations is not due to systematic individual differences in response consistency.…