The Avon Longitudinal Study of Parents and Children (ALSPAC) assessed their cohort members (CMs) during the study’s age 9 sweep (Focus@9) using the Word and Non-word Reading measures.
Details on these measures and the data collected from the CMs are outlined in the table below.
|CHC:||Crystallised Intelligence (Gc)|
|Administration method:||Trained interviewer; clinical setting; oral answers|
|Procedure:||This test consisted of 10 real words, and 10 nonwords. The words were presented to the child in a booklet and the child was asked to read aloud each word.|
|Link to questionnaire:||http://www.bristol.ac.uk/alspac/researchers/our-data/clinical-measures/ (opens in new tab)|
|Scoring:||Number of correct words (0 - 10 real words; 0 - 10 nonwords).|
|Item-level variable(s):||f9mw020 - f9mw073|
|Total score/derived variable(s):||f9mw031, f9mw032, f9mw061, f9mw062|
|N = 7,650||N = 7,637|
|Range = 0 - 10||Range = 0 - 10|
|Mean = 7.49||Mean = 5.20|
|SD = 2.49||SD = 2.50|
|(click image to enlarge)||(click image to enlarge)
|Age of participants:||Mean = 118.49 months, SD = 3.89, Range = 105 - 140|
|Other sweep and/or cohort:||None|
|Source:||Nunes, T., Bryant, P., & Olsson, J. (2003). Learning morphological and phonological spelling rules: An intervention study. Scientific Studies of Reading, 7(3), 289-307.|
|Reference examples:||Bath, S. C., Steer, C. D., Golding, J., Emmett, P., & Rayman, M. P. (2013). Effect of inadequate iodine status in UK pregnant women on cognitive outcomes in their children: results from the Avon Longitudinal Study of Parents and Children (ALSPAC). The Lancet, 382(9889), 331-337.|
|Hameed, M. A., Lewis, A. J., Sullivan, S., & Zammit, S. (2013). Child literacy and psychotic experiences in early adolescence: findings from the ALSPAC study. Schizophrenia Research, 145(1-3), 88-94.|
- Overview of all cognitive measures in ALSPAC
- Overview of childhood cognitive measures across all studies
This page is part of CLOSER’s ‘A guide to the cognitive measures in five British birth cohort studies’.