Tablet-based adaptation and administration of the Castles and Coltheart Reading Test 2 for a large longitudinal study

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Tablet-adapted measures provide an efficient, accurate method of data collection for large-scale studies. The Castles and Coltheart Reading Test 2 (CC2) is a standardized paper- and-pencil measure of children's reading ability. In the current study, the CC2 was administered to 603 children aged 7-8 years via iPad using electronic data capture software. Results indicate the tablet-adapted measure could be reliably administered by non-clinical staff and showed quantitative equivalence, i.e., comparable score distributions, to CC2 normative data. Internal consistency was good for regular and non-word lists. Findings suggest that the tablet-adapted CC2 is a viable tool for large research studies.