“…The stimulus words that were selected had a high frequency of occurrence (Kucera & Francis, 1967) and varied on several dimensions that influence the nature of associative responses, namely grammatical class (e.g.,Fillenbaum& Jones, 1965;Palermo, 1971),concretenessofnouns (Riegel & Riegel, 1964), and whether there is an obvious contrast word for adjectives (e.g., light-dark; Entwisle, 1966). We attempted to avoid words that are homonyms, words that could have more than one grammatical class, or words that were likely associates of other stimulus • The vocabulary subtest of the Primary Mental Abilities Test was used.…”