Tracking mouse movement in feature inference: category labels are different from feature labels.
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abstract
In this article, we examine the role of category labels in inductive inference. Some leading research has suggested that information about category membership works just like any other feature in categorical inductions, whereas other research has proposed that the influence of category membership on induction goes beyond that of other features. To investigate these claims further, we developed an online measure of judgments that is akin to eyetracking. The judgment results and the mouse-tracking data jointly support the view that category labels do affect inductive inferences in a way distinct from that for feature information. When arbitrary labels conveyed category membership information, participants viewed these labels more often and earlier in a trial, in comparison with cases in which the same labels conveyed non-membership information. Our results suggest that category membership information works like a guide for inference. An ecological rationale for this induction strategy is also discussed.
