1. Barsalou, L. W. (1990). On the indistinguishability of exemplar memory and abstraction in category representation. In T. K. Srull & R. S. Wyer, Jr. (Eds.),Advances in social cognition, Vol. III: Content and process specificity in the effects of prior experiences (pp. 61–88). Hillsdale, NJ: Erlbaum.
2. Bransford, J. D., Franks, J. J., Morris, C. D., &Stein, B. S. (1979). Some general constraints on learning and memory research. In L. S. Cermak & F. I. M. Craik (Eds.),Levels of processing in human memory (pp. 331–354). Hillsdale, NJ: Erlbaum.
3. Brewer, W. F. (1974). There is no convincing evidence for operant or classical conditioning in adult humans. In W. B. Weimer & D. S. Palermo (Eds.),Cognition and the symbolic processes (pp. 1–61). Hillsdale, NJ: Erlbaum.
4. Caccioppo, J. T., &Petty, R. E. (1982). The need for cognition.Journal of Personality & Social Psychology,42, 116–131.
5. Cheesman, J., &Merikle, P. M. (1986). Distinguishing conscious from unconscious perceptual processes.Canadian Journal of Psychology,40, 343–367.