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Publications by Gordon LoganLogan, G. D. (1975). On the relation between identifying and locating masked targets in visual search. Quarterly Journal of Experimental Psychology, 27, 451-457.Conducted 3 experiments, using a total of 26 undergraduates, to determine whether naming is contingent on locating in a visual search task. Ss were required to identify a masked target whose location was known (I-L) or unknown (I) and to locate a masked target whose identity was known (L-I) or unknown (L). The location-contingent hypothesis predicted a relationship among the tasks such that P(L)P(I-L) = P(I), since P(I) and P(L)P(I-L) both estimate the joint probability of identifying and locating the target. This relationship held in Exp I where targets were presented alone, and in Exp II where targets were presented with dots as noise elements, but not in Exp III where targets were noise elements. Results are discussed in terms of the generality of the location-contingent hypothesis. |
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