Findings from 4 experiments with a total of 218 college students, in which the retention interval for second-language vocabulary words was treated as a between-subjects factor, indicate that long-term forgetting is greater for learners instructed to use the keyword mnemonic than for learners engaged in rote rehearsal. (SLD)

College students, in three experiments, learned to recite a counting pattern in the base three number system. Although all subjects learned to a criterion of two errorless trials, learning with different rule systems resulted in different levels of understanding and performance on transfer tasks. (GDC)