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Executive Function and Education

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Front. Psychol. | doi: 10.3389/fpsyg.2018.00238

Updating Working Memory, Inhibition, and Shifting Predict Reading Disability Symptoms in a Hybrid Model: Project KIDS

Mia Daucourt1,  Christopher Schatschneider1,  Carol Connor2, Stephanie Al Otaiba3 and  Sara Hart1*
  • 1Florida State University, United States
  • 2University of California Irvine, United States
  • 3Southern Methodist University, United States

Recent achievement research suggests that executive function (EF), a set of regulatory processes that control both thought and action necessary for goal-directed behavior, is related to typical and atypical reading performance. This project examines the relation of EF, as measured by its components, Inhibition, Updating Working Memory, and Shifting, with a hybrid model of reading disability (RD). Our sample included 420 children who participated in a broader intervention project when they were in KG-third grade (age M=6.63yrs, SD=1.04yrs, range =4.79-10.40). At the time their EF was assessed, using a parent-report Behavior Rating Inventory of Executive Function (BRIEF), they had a mean age of 13.21yrs (SD = 1.54yrs; range = 10.47-16.63yrs). The hybrid model of RD was operationalized as a composite consisting of four symptoms, set so that any child could have any one, any two, any three, any four, or none of the symptoms included in the hybrid model. The four symptoms include low word reading achievement, unexpected low word reading achievement, reading comprehension less than expected based upon their listening comprehension skills, and dual-discrepancy response-to-intervention (RTI), requiring both low achievement and low growth in word reading. The results of our multilevel ordinal logistic regression analyses showed a significant relation between all three components of EF (Updating Working Memory, Inhibition, and Shifting) and the hybrid model of RD, and that the strength of EF’s predictive power for RD classification was the highest when RD was modeled as having at least one or more symptoms. Importantly, the chances of being classified as having RD increased as EF performance worsened and decreased as EF performance improved. The question of whether any one EF component would emerge as a superior predictor was also examined and results showed that Updating Working Memory, Inhibition, and Shifting were equally valuable as predictors of the hybrid model of RD. In total, all EF components were significant, and equally effective, predictors of RD when RD was operationalized using the hybrid model.

Keywords: Hybrid Model of Reading Disability, reading disability, reading, Executive Function, inhibition, Shifting, working memory, executive functions, executive control, Reading disabilities, Hybrid model

Received: 03 Mar 2017; Accepted: 12 Feb 2018.

Edited by:

Jacob A. Burack, McGill University, Canada

Reviewed by:

Natasha Kirkham, Birkbeck University of London, United Kingdom
Jurgen Tijms, University of Amsterdam, Netherlands  

Copyright: © 2018 Daucourt, Schatschneider, Connor, Al Otaiba and Hart. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Dr. Sara Hart, Florida State University, Tallahassee, United States, hart@psy.fsu.edu