Using Beck, McKeown and Kucan's (2002) three-tiered model as a general framework for vocabulary, this article sheds light on the construct of academic vocabulary and how it might be measured. Using illustrative writing samples of student work of different genres and drawing on corpus based studies, I highlight the distinction between general, high…

Reports that vocabulary choice and linguistic virtuosity are closely tied to levels of writing skill, to cognitive development, and to self-concept. (RL)

An experiment in which 90 undergraduate students were tested on simple and complex versions of a word-span task with high and low frequency words suggests that both word knowledge and a content-free working memory play causal roles in the relationship between word span and higher level cognitive tasks. (SLD)

A study of logical reasoning ability of endusers searching a CD-ROM index and its correlation to searching performance was conducted at the University of Illinois at Urbana-Champaign. Findings showed a correlation between cognitive skills and citation selection and indicated that computer system design can be improved using a cognitive engineering…

The relative validity of adaptive and conventional testing strategies using non-test variables as one set of external criteria was investigated. A total of 101 college students completed both a variable length stradaptive test and peaked conventional test; a second group of 131 college students completed a variable length Bayesian adaptive test…

To determine the relationship of reading ability to age, sex, Hispanic ethnicity, and majors in economics, political science, history, and psychology, 141 students who completed summer social science courses at a California community college were given the Nelson Denny Reading Test, which scores for vocabulary and comprehension. Of the 141…