An assessment of graphic literacy was developed by articulating and subsequently validating a skills-based cognitive model intended to substantiate the plausibility of score interpretations. Model validation involved use of multiple sources of evidence derived from large-scale field testing and cognitive labs studies. Data from large-scale field…

The low achievement of chemistry students in Nigerian Colleges of Education has been attributed to a number of factors including a lack of indigenous computer software for enhancing course teaching. This study therefore sought to develop and validate an instructional computer package on organic chemistry for Colleges of Education in Nigeria. The…