Subjects were presented with either pictures or with the verbal names of the pictures in a recognition paradigm. Items were presented for either 0.25, 0.50, 1.00, or 2.00 sec with either 0.25, 1.00, or 2.00 sec between successive items. A recognition test followed where subjects gave confidence judgments on a six-point rating scale as to whether they had seen the items before. Analysis of both correct responses and observer sensitivity (estimated by signal detection theory methods) indicated that the processing rate for words was greater than the processing rate for pictures during the presentation interval while these rates did not differ as a function of the inter-slide interval. The results were interpreted in terms of continuous processing models.
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