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Predicting Reading Problems 6 Years Into the Future: Dynamic Assessment Reduces Bias and Increases Classification
Douglas B Petersen1, Shelbi L Gragg2, Trina D Spencer3
1Department of Communication Disorders, Brigham Young University, Provo, UT.
Language, Speech, and Hearing Services in Schools
|November 21, 2018
Summary
A brief dynamic assessment of decoding accurately predicts future reading difficulties in kindergarten students. This method shows promise in identifying at-risk children early, offering a culturally sensitive alternative to traditional tests.
Area of Science:
- Educational Psychology
- Developmental Psychology
- Literacy Research
Background:
- Early identification of reading difficulties is crucial for intervention.
- Traditional static assessments may exhibit cultural and linguistic biases.
- Dynamic assessment offers a responsive approach to evaluating learning potential.
Purpose of the Study:
- To evaluate the predictive validity of a kindergarten dynamic assessment of decoding for future reading difficulties.
- To determine if dynamic assessment enhances the predictive power of static kindergarten reading measures.
- To assess prediction accuracy up to 5th grade.
Main Methods:
- A prospective, longitudinal study involving approximately 370 kindergarten students (Caucasian and Hispanic).
- Administered a 3-minute dynamic assessment of decoding and static measures (letter identification, phonemic awareness).
- Assessed oral reading fluency from 2nd to 5th grade; analyzed predictive validity using variance explained, AUC, sensitivity, and specificity.
Main Results:
- The dynamic assessment significantly predicted reading ability beyond static measures.
- Area under the curve (AUC) values were fair to good, with acceptable sensitivity and specificity.
- A brief dynamic assessment achieved 75%-80% accuracy in identifying students likely to struggle with decoding up to six years later.
Conclusions:
- Dynamic assessment of decoding is a valuable tool for early identification of future reading challenges.
- It offers a promising, culturally and linguistically sensitive alternative to traditional static assessments.
- Early and accurate identification can facilitate timely interventions for students at risk for reading difficulties.
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