In the Stroop task, congruency effects (i.e., the color-naming latency difference between incongruent stimuli, e.g., the word BLUE written in the color red, and congruent stimuli, e.g., RED in red) are smaller in a list in which incongruent trials are frequent than in a list in which incongruent trials are infrequent. The traditional explanation…

The final report consists of three studies on aspects of a common theme, that a hearing impaired (HI) person's performance on information processing tasks depends on interactions of that person's cognitive structure and strategies with properties of materials to be processed and task demands. The first study, "Recall of Temporal/Spatial…