This article reviews the literature on decodable text, instructional materi
al containing words with phonically regular relationships that the reader h
as been taught. In doing so the work establishes a definition for decodabil
ity by consolidating previous quantitative and qualitative analyses of word
s in text and by examining other word features. In addition, the theoretica
l purposes of decodable text are inspected as are the very few studies that
specifically examine the effects of text decodability on readers. The find
ings of this review are synthesized into a theoretical model that suggests
a specific developmental juncture in which decodable text may be useful. In
suggesting future research the work concludes that additional analyses of
words in text are nor necessary. Instead research should focus on the follo
wing: 1) experimental examinations of readers' interactions with decodable
text 2) inspection of readers' behavior as they read text with varying degr
ees of decodability; and 3) operation of text decodability with readers of
varying abilities.