Readability

Part of a series on
Reading
Learning to read Reading readiness Vocabulary development Vocabulary learning
Scientific theories and models Dual route theory Simple view of reading Science of reading Scarborough's Reading Rope The active view of reading model
Cognitive processes Comprehension Phonemic awareness Phonological awareness Subvocalization Word recognition
Reading instruction Analytic phonics Basal reader Concept-oriented Directed listening and thinking activity Guided reading Independent reading Literature circle Phonics Reciprocal teaching Structured word inquiry Sustained silent reading Synthetic phonics Whole language
Reading rate Fluency Slow reading Speed reading Words per minute
Readability Automatic assessment Legibility Readability test
Reading differences and disabilities Dyslexia Hyperlexia Reading disability Reading for special needs
Language Alphabetic principle Braille Dolch word list Grapheme History of printing Language Morpheme Orthography Phoneme Sight word Vocabulary Written language Writing Writing system
Literacy Critical literacy Close reading Distant reading Family literacy Functional illiteracy Great books Literary criticism Literature Children's
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Readability is the ease with which a reader can understand a written text. The concept exists in both natural language and programming languages though in different forms. In natural language, the readability of text depends on its content (the complexity of its vocabulary and syntax) and its presentation (such as typographic aspects that affect legibility, like font size, line height, character spacing, and line length).^[1] In programming, things such as programmer comments, choice of loop structure, and choice of names can determine the ease with which humans can read computer program code.

Higher readability in a text eases reading effort and speed for the general population of readers. For those who do not have high reading comprehension, readability is necessary for understanding and applying a given text. Techniques to simplify readability are essential to communicate a set of information to the intended audience.^[2] Whether it is code, news information, or storytelling, every writer has a target audience that they have to adjust their readability levels to.