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The present study examined four kinds of vocabulary knowledge: Definitional knowledge, using vocabulary in context, relational knowledge, and morphological knowledge. A measure was developed that assessed all four kinds of vocabulary knowledge using the same 23 vocabulary words, which allowed within- and between-word variance to be modeled. Confirmatory factor analysis was used to test three alternative models of vocabulary knowledge: (1) a four-factor model that specified four related yet distinct dimensions of vocabulary knowledge, (2) a two-factor model that considered vocabulary knowledge and morphological knowledge to be two separate but potentially related factors, and (3) a one-factor model in which vocabulary knowledge was unidimensional. These alternative models were examined by modeling both within- and between-word variance. When controlling for extraneous word-level variance, vocabulary knowledge was found to be a relatively unidimensional construct.
Morphological Awareness, Morphological Knowledge, Reading Comprehension, Vocabulary Knowledge, Word Knowledge
Date of Defense
June 11, 2012.
Submitted Note
A Thesis submitted to the Department of Psychology in partial fulfillment of the requirements for the degree of Master of Science.
Bibliography Note
Includes bibliographical references.
Advisory Committee
Richard K. Wagner, Professor Directing Thesis; Carol Connor, Committee Member; Michael Kaschak, Committee Member.
Publisher
Florida State University
Identifier
FSU_migr_etd-5197
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