“…A secondary purpose of these experiments was that of establishing a reliable procedure for obtaining semantic generalization, because when generalization has been obtained the relative amounts of observed semantic and phonetographic generalization (Hartman, 1965;Razran, 1961) are influenced by many important variables. These variables include age (Reiss, 1946;Rice & DiVesta, 1965), administration of drugs (Shvarts, 1960), or alcohol (Levy & Murphy, 1966), and presence of behavior pathology (Peastrel, 1964). Development of a technique which could be used to obtain reliable semantic generalization in a base-level sense is needed to facilitate further investigation of the phenomenon and the factors influencing it.…”