EXPLORATIONS OF COHEN, DUNBAR, AND MCCLELLAND (1990) CONNECTIONIST MODEL OF STROOP-PERFORMANCE

The J. D. Cohen, K. Dunbar, and J. L. McClelland (1990) model of Stroo p task performance is used to model data from a study by D. H. Spieler D. A. Balota, and M. E. Rust (1996). The results indicate that the mo del fails to capture overall differences between word reading and colo r naming latencies when set size is increased beyond 2 response altern atives. Further empirical evidence is presented that suggests that the influence of increasing response set size in Stroop task performance is to increase the difference between overall color naming and word re ading, which is in direct opposition to the decrease produced by the C ohen et al. architecture. Although the Cohen et al. model provides a u seful description of meaning-level interference effects, the qualitati ve differences between word reading and color naming preclude a model that uses identical architectures for each process, such as that of Co hen et al., to fully capture performance in the Stroop task.