Word-color or trigram-color compound stimuli were used with numbers as responses in paired-associate learning. This was followed by a transfer test in which one or the other components alone was presented as the stimulus. Color showed greater transfer than the trigram stimulus apparently due to its higher meaningfulness. Words produced greater transfer than colors possibly due to a bias toward dealing with verbal material rather than greater meaningfulness. (PsycINFO Database Record (c) 2006 APA, all rights reserved)