Literaturnachweis - Detailanzeige
| Autor/in | Klahr, David |
|---|---|
| Titel | Quantification Processes. |
| Quelle | (1973), (32 Seiten) |
| Dokumenttyp | gedruckt; Monographie |
| Schlagwörter | Cognitive Development; Cognitive Processes; Computation; Developmental Psychology; Educational Research; Human Development; Information Processing; Models |
| Abstract | Experiments dealing with quantification processes in adults were run as part of an attempt to formulate an information processing model of cognitive development. The existence of three quantification operators--subitizing, counting and estimation--was first postulated. Experiments were then designed to refine the parameters which define the functioning of these operators and to determine the effects of certain stimulus variables upon the subitizing operator. Results indicated that a sharp discontinuity in the response time needed to assess the number of stimuli (n) occurred when n was greater than five. When n was in the moderate range subjects were found to count the stimuli, and for cases when n was more than 20 the process of estimation was used. (LB) |
| Anmerkungen | Academic Press, Inc., 111 Fifth Ave., New York, New York 10003 |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
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