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Computer-Delivered Morphology-Focused Vocabulary Instruction: A Pilot Study.

Carla Wood¹, Michelle Torres-Chavarro¹, Sana Tibi¹

¹School of Communication Science and Disorders, Florida State University, Tallahassee.

American Journal of Speech-Language Pathology

|February 24, 2025

Summary

This summary is machine-generated.

Computer-delivered morphology instruction significantly improved third graders' morphological knowledge (MK). The program benefited students regardless of their initial MK levels, offering practical benefits for teachers and student literacy.

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Area of Science:

* Educational Psychology
* Applied Linguistics
* Literacy Education

Background:

* Morphological knowledge (MK) is crucial for reading comprehension and spelling proficiency.
* Explicit instruction in morphology can enhance students' understanding of word structure.
* Computer-delivered interventions offer scalable solutions for targeted academic support.

Purpose of the Study:

* To evaluate the impact of a computer-delivered morphology instruction on third-grade students' MK.
* To determine if the intervention's effectiveness varied based on students' baseline MK.
* To assess the practical implications of such a program for educational settings.

Main Methods:

* A randomized trial involving 263 third-grade students across 14 classrooms.
* A 6-week intervention group received explicit instruction on derivational morphemes via an online program.
* A control group received standard instruction; MK was assessed using the Morphological Awareness Test for Reading and Spelling.

Main Results:

* The computer-delivered morphology instruction yielded significant positive effects on students' MK.
* Effect sizes were 0.33 for affix identification and 0.24 for suffix choice.
* Students with lower initial MK showed comparable gains to those with higher initial MK.

Conclusions:

* Explicit, computer-delivered instruction in derivational morphology positively impacts students' MK.
* The intervention demonstrates potential for enhancing language and literacy outcomes with reduced teacher burden.
* Findings support the integration of digital tools for targeted morphological awareness training.