Structured literacy

Structured literacy, according to the International Dyslexia Association, is the systematic teaching of reading that focuses on the following elements:

Phonology: the study of sounds in a particular language, and Phonemic awareness
Sound-symbol association : using the Alphabetic principle to connect sounds to letters
Syllables: a single unit of speech, in English usually containing a vowel
Morphology: the study of the form of words and phrases, including morphemes, the smallest unit of meaning in a language
Syntax: the grammatical arrangement of words in a sentence
Semantics: the study of meaning in language

SL is taught using the following principles:

Systematic: begin with the basic and easiest concepts and elements, and progress to the more difficult and complex
Cumulative: each step builds on a previous step
Explicit: direct teaching and continuous teacher-student interaction
Multisensory: using different senses to enhance attention and memory
Diagnostic: using informal and formal assessments to individualize instruction

The International Dyslexia Association provides a detailed outline of its Key Performance Standards of its Knowledge and Practice Standards for Teachers of Reading.
There is general agreement that SL is beneficial for all early literacy learners, especially those with reading disabilities such as dyslexia. However, according to professor Mark Seidenberg, while SL is necessary for students with special needs, it may not be required for the general student population beyond the early literacy years. He suggests that teachers strike a balance between implicit instruction and explicit instruction, with explicit instruction for all students at the start, followed by implicit instruction for all students except dyslexics.

Structured literacy vs. Balanced literacy

SL has many of the elements of systematic phonics and few of the elements of balanced literacy. The following is an explanation of how Structured literacy is different from Balanced literacy:

Feature	Structured literacy	Balanced literacy
Basis	Science of reading	Whole language
Areas covered	Phonology, phonemic awareness, sound-symbol association, syllables, morphology, syntax, and semantics	Learn from exposure, reading, instruction, and support in multiple environments
Teaching method	Direct, explicit, systematic, cumulative, and multisensory Mostly teacher-led Lessons involve phonics and word reading, from easier to more difficult Corrective feedback: students are asked to "sound-out" the word	Implicit, constructivist, and less structured Often student-directed Lessons relate to comprehension of books or literature themes. Corrective feedback: students are asked "does that make sense", and are told to check the cues
Phonics	Taught via the alphabetic principle, systematically, including the most frequent phonemes and graphemes, beginning with the easiest and progressing to the more complex	Taught as needed via mini-lessons, or not at all
Text for reading instruction	Decodable text until grade 2	Leveled text, but not corresponding to phonics taught
Reading	decoding and sounding out words	read the whole word using cues to guess the word
Effectiveness	a mean unweighted effect size of.47, and a fixed weighted mean effect size of.44. Structured literacy approaches "tend to yield larger positive effects on student learning compared to balanced literacy approaches".	a mean unweighted effect size of.21, and a weighted mean effect size of.33.