TY - JOUR
T1 - Perceptual and Memorial Constructs in Children's Judgments of Quantity
T2 - A Law of Across-Representation Invariance
AU - Wolf, Yuval
AU - Algom, Daniel
PY - 1987/12
Y1 - 1987/12
N2 - Children at three different ages made judgments of physically presented (perceptual estimation) or symbolically represented (memorial estimation) rectangles. Height and width were integrated according to different, age-dependent algebraic rules. Memorial data obeyed the same integration rules that operated in the original perceptual judgments even when younger children and older children used completely different combination models. Valuation operations were the same in perception and memory for the youngest group (6-year-olds) but became discriminably different at older ages (for the 8- and 10-year olds). Three additional experiments on judgments of volume, liquid quantity, and visual length yielded strong cross-validation support for the general invariance claim (with respect to integration rule theory) but less strong support for the specific invariance claim (with respect to valuation function for the 6-year-old subjects). Results are interpreted as demonstrating lawful and long-enduring ecological constraints on internal representation.
AB - Children at three different ages made judgments of physically presented (perceptual estimation) or symbolically represented (memorial estimation) rectangles. Height and width were integrated according to different, age-dependent algebraic rules. Memorial data obeyed the same integration rules that operated in the original perceptual judgments even when younger children and older children used completely different combination models. Valuation operations were the same in perception and memory for the youngest group (6-year-olds) but became discriminably different at older ages (for the 8- and 10-year olds). Three additional experiments on judgments of volume, liquid quantity, and visual length yielded strong cross-validation support for the general invariance claim (with respect to integration rule theory) but less strong support for the specific invariance claim (with respect to valuation function for the 6-year-old subjects). Results are interpreted as demonstrating lawful and long-enduring ecological constraints on internal representation.
UR - http://www.scopus.com/inward/record.url?scp=0023475992&partnerID=8YFLogxK
U2 - 10.1037/0096-3445.116.4.381
DO - 10.1037/0096-3445.116.4.381
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C2 - 2960776
AN - SCOPUS:0023475992
SN - 0096-3445
VL - 116
SP - 381
EP - 397
JO - Journal of Experimental Psychology: General
JF - Journal of Experimental Psychology: General
IS - 4
ER -