Two experiments, involving 12 adults who stutter and 12 controls, evaluated the effects on speech response latency of picture naming tasks designed to place selective demands on lexicalization. The experiments investigated the effects of one-word versus two-word responses and a word's frequency of occurrence versus its number of syllables.…

Three experiments were conducted to test the psychological relevance of objectively quantified word collocations. The first experiment showed that perceived frequency of word combinations roughly followed the objective count. Another recurrent quality of words, constructional tendency, was supplemented as independent variable in the two following…

The idea of semantic features has taken some force within psychology and a number of research workers have suggested that semantic acquisition is, in some manner, determined by semantic components. This notion has come to be called the "semantic feature hypothesis". An examination of the semantic feature hypothesis was made by testing 80…

Problems related to the structure of the mental lexicon are considered. The single access assumption, the passive memory assumption, and the heterogeneous memory assumption are rejected in favor of the theory which assumes several active memories, each able to store expression based on only one homogenous set of abstract primitives. One lexicon…