1. The occurrence of clustering in the recall of randomly arranged associates;Bousfield;J. gen. Psychol.,1953
2. On the use and meaning prepositions;Clark;J. verb. Learn. verb. Behav.,1968
3. Adverbs as multipliers;Cliff;Psychol. Rev.,1959
4. The Connecticut free associational norms;Cohen,1961
5. Cultural norms for verbal items in 43 categories;Cohen,1957