Vocabulary & Knowledge

An Analysis of the Features of Words That Influence Vocabulary Difficulty

Hiebert, E.H., Scott, J.A., Castaneda, R., & Spichtig, A. (2019).  An Analysis of the Features of Words That Influence Vocabulary Difficulty. Education Sciences, (9)1, 8.doi:10.3390

Core Vocabulary: Its Morphological Content and Presence in Exemplar Texts

Hiebert, E.H., Goodwin, A.P., & Cervetti, G.N., (in press). Core Vocabulary: Its Morphological Content and Presence in Exemplar Texts. Reading Research Quarterly, 53(1), 29-49.

Factors that Influence the Difficulty of Science Words

Cervetti, G.N., Hiebert, E.H., Pearson, P.D., McClung, N.A. (2015). Factors that Influence the Difficulty of Science Words. Journal of Literacy Research, 47(2), 153-185.

Vocabulary Assessment: Making Do with What We Have While We Create the Tools We Need

Pearson, P.D., Hiebert, E.H., & Kamil, M. (2012). Vocabulary assessment: Making do with what we have while we create the tools we need. In J. Baumann and E. Kame’enui (Eds.), Vocabulary Instruction: Research to Practice (2nd Ed.). (pp.231-255) New York, NY: Guilford Press.

What Differences in Narrative and Informational Texts Mean for the Learning and Instruction of Vocabulary

Hiebert, E.H., & Cervetti, G.N. (2012). What Differences in Narrative and Informational Texts Mean for the Learning and Instruction of Vocabulary.  In J. Baumann and E. Kame’enui (Eds.), Vocabulary Instruction: Research to Practice (2nd Ed.).  (pp.322-344). New York, NY:  Guilford Press.

The effects of syntactic and lexical complexity on the comprehension of elementary science texts

Arya, D.J., Hiebert, E.H., & Pearson, P.D. (2011). International Electronic Journal of Elementary Education, 4(1).

Growing Capacity with Literary Vocabulary: The Megaclusters Framework

Lubliner, S., & Hiebert, E.H. (2011). Growing capacity with literary vocabulary: The megaclusters framework. Bilingual Research Journal, 34(1), 76-93.

An Analysis of English-Spanish Cognates as a Source of General Academic Language

Lubliner, S., & Hiebert, E.H. (2011).  An analysis of English-Spanish cognates as a source of general academic language.  Bilingual Research Journal. 34(1), 76-93.

A Focus on Vocabulary

Lehr, F., Osborn, J., & Hiebert, E.H. (2004). A focus on vocabulary. Honolulu, HI: PREL.

Growing Capacity with the Vocabulary of English Language Arts Programs: Vocabulary Megaclusters

Hiebert, E.H. (2011). Growing Capacity with the Vocabulary of English Language Arts Programs: Vocabulary Megaclusters (Reading Research Report 11.02). Santa Cruz, CA: TextProject, Inc.

For access to articles and reports published by TextProject’s founder, Elfrieda(Freddy) H. Hiebert, prior to 2010, visit: