TY - JOUR
T1 - Span and rate of apprehension in children and adults
AU - Chi, Michelene T.H.
AU - Klahr, David
N1 - Funding Information:
This work was supported in part by Research Grant MH-07722 from the National Institute of Mental Health, and in part by a Grant from the Spencer Foundation. We wish to express our thanks to the children and parents of the Carnegie-Mellon Children’s School. and to their teachers-Dr. Ann Taylor and Mrs. Joanne Pohlman-for their cooperation. Thanks also to Patricia Carpenter. William Chase. and Marcel Just for comments and suggestions. Requests for reprints should be addressed to David Klahr, Department of Psychology, Carnegie-Mellon University, Pittsburgh, Pa. 15213.
PY - 1975/6
Y1 - 1975/6
N2 - Children and adults quantified random patterns of dots, under unlimited exposure duration. For adults and children two distinct processes appear to operate. For adults the quantification of collections of from one to three dots is essentially errorless, and proceeds at the rate of 46 msec per item, while the quantification rate for from 4 to 10 dots is 307 msec per dot. For children the same operating ranges appear to hold, however children are much slower. The lower slope is 195 msec per dot, while the upper is 1049. Although the results for adults and children are similar except for the overall rates, the nature of the isomorphism between children and adults is unclear.
AB - Children and adults quantified random patterns of dots, under unlimited exposure duration. For adults and children two distinct processes appear to operate. For adults the quantification of collections of from one to three dots is essentially errorless, and proceeds at the rate of 46 msec per item, while the quantification rate for from 4 to 10 dots is 307 msec per dot. For children the same operating ranges appear to hold, however children are much slower. The lower slope is 195 msec per dot, while the upper is 1049. Although the results for adults and children are similar except for the overall rates, the nature of the isomorphism between children and adults is unclear.
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U2 - 10.1016/0022-0965(75)90072-7
DO - 10.1016/0022-0965(75)90072-7
M3 - Article
C2 - 1236928
AN - SCOPUS:0016513445
SN - 0022-0965
VL - 19
SP - 434
EP - 439
JO - Journal of Experimental Child Psychology
JF - Journal of Experimental Child Psychology
IS - 3
ER -