Background: Given the increasing popularity of reading from screens, it is not surprising that numerous studies have been conducted comparing reading from paper and electronic sources. The purpose of this systematic review and meta-analysis is to consolidate the findings on reading performance, reading times and calibration of performance…

The influence of orthographic transparency on the prevalence of dyslexia subtypes was examined in a review of multiple-case studies conducted in languages differing in orthographic depth (English, French, and Spanish). Cross-language differences are found in the proportion of dissociated profiles as a function of the dependent variables (speed or…

Discusses methodological problems regarding time-on-task in experiments in which effects of extra study aids are evaluated. Illustrations of different methods of studying learning aids and their effects on the outcome are based on six experiments into the influence of concrete analogies on learning. Seventeen references are provided. (EJS)