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.
| Years of data collection: | 2001-2003 | |
| Domain: | Reading ability | |
| Measures: | Verbal expression | |
| Lexical knowledge | ||
| Pronunciation | ||
| CHC: | Gc (Crystallised Intelligence) | |
| Grw (Reading/Writing) | ||
| CLOSER Source: | Explore this sweep in CLOSER Discovery: ALSPAC Childhood (5 years to 12 years 11 months) (opens in a new tab) | |
| 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 Explore these variables in CLOSER Discovery: ALSPAC Focus at 9 Clinic Dataset (opens in a new tab) |
|
| Descriptives: | Verbal | Non-verbal |
| 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 (months): | 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. | |
| Technical resources: | None | |
| Example articles: | 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. | ||
For the named items in the table above, links are provided to their corresponding content on CLOSER Discovery. Where a variable range is provided, full variable lists can be accessed through the ‘Variable Groups’ tab on the linked Discovery page.
Go to:
- 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’.