Ludwig I, Pieper W, 2001, "Specificity of transfer in the part - whole perception" Perception 30 ECVP Abstract Supplement
Specificity of transfer in the part - whole perception
I Ludwig, W Pieper
Our earlier studies showed effects of practice and of transfer in the detection of parts in wholes. In the present experiment, we varied the detection tasks to examine the specifity of this transfer. Stimuli were pairs of whole and part figures divided into three groups. In one group, the figures consisted of straight lines; in the second group, of curved lines; and in the third group, of points. Half of the pairs were positive, the other half negative items (ie the part was actually contained in the whole or not, respectively). The experiment consisted of three sessions. In session 1, only one group of items was presented. Session 2 contained this and another group. In session 3, all items were presented. The stimuli were successively shown on a monitor. Twenty-four subjects decided whether or not the whole contained the part and responded by pressing a button. Response latencies and error rates were recorded. In accordance with earlier results, we found a beneficial effect of practice. The occurrence and the extent of transfer depended on the order of the item groups in the sessions. Results are discussed with respect to possible components of the practice effect and their transferability to similar tasks.
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