How word meaning, sentence meaning, and discourse meaning are mentally represented. How complex words and sentences are composed in speech. researcher has no control over occurrence and frequency. slips of tongue cannot be elicited: spoonerisms. You have hissed all my mystery lectures. : formation exchange words" initial consonants, significance pre-planning of speech before articulation, mixing and matching morphemes, ex. I"d forgot aboutten that. : significance pre-planning of speech before articulation, significance morpheme is fundamental unit of english sentence production, affix may remain while stem moves, stem may remain while affix moves. different entries stored and linked, to be accessed on a moment"s. Involves computation, not storage, therefore lexical decision tests useless. Regressive saccades: eyes move back to text already read. Reading does occur not in smooth progression. Sentences extremely difficult to comprehend despite simple syntax. Native speakers construct syntactic analyses from sentence beginning to end. During reading, assume how sentence will proceed.