Marks of Readable Style: A Study in Adult Education

abstract words Adult Education adult reading matter affixed morphemes affixes in 100 Atlantic Monthly average sentence length Columbia University Component Counting the number criterion different hard words different words Educational Psychology Educational Research EDWARD LEE experiments factor frequent Gray and Leary Gray-Leary formula Harper's Magazine hundred words Journal of Educational language length in words Lessons in Reading Lorge Readability Index material matter for adults McClusky measure method multiple correlation non-fiction books number of affixed number of different number of prepositional number of words passage personal references phemes popular prediction value prepositional phrases problem readability formula Reader's Digest readers reading ability reading comprehension Reading Difficulty READING GRADE PLACEMENT references in 100 sample Saturday Evening Post scientific seems semantemes Standard Test Lessons statistical Stuart Chase style elements tence textbooks Thorndike list tion uncommon words vocabulary Wenkung Winnetka words average sentence words listed writer writer's formula Yale Review