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POSSUM Model

Semantic Development: How Readers Build Meaning and Vocabulary

Maryanne explores the importance of semantic development.

Maryanne Wolf

Aug 11, 2025

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Two studies, one finding

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An invitation

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Dr. Maryanne Wolf explores the importance of semantic development in the video below.

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Evidence-based reading programs grounded in 20+ years of research. Created by Dr. Maryanne Wolf.

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Evidence-based reading programs grounded in 20+ years of research. Created by Dr. Maryanne Wolf.

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Evidence-based reading programs grounded in 20+ years of research. Created by Dr. Maryanne Wolf.

Programs

Knowledge

Company