Averaging of space and number stimuli with simultaneous presentation.

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Abstract
SS RECEIVED SETS OF 3-DIGIT NUMBERS OR LINEAR ARRAYS OF DOTS WITH INSTRUCTIONS TO ESTIMATE A CENTRAL TENDENCY TO TEST AN ELEMENTARY AVERAGING MODEL. EACH SET CONSISTED OF 2 COMPACT GROUPS OF STIMULI, OF VARIED SIZE AND SEPARATION. RESPONSES WERE FAIRLY ACCURATE THOUGH THERE WAS A GENERAL TENDENCY TO OVERWEIGHT THE OUTLIER GROUP OF NUMBERS, AND A PARTIAL TENDENCY TO UNDERWEIGHT THE OUTLIER GROUP OF DOTS. THE MODEL SHOWED PROMISE FOR THE NUMBER DATA, BUT THERE WERE SOME MODERATE, SYSTEMATIC DISCREPANCIES FOR THE SPACE DATA. A STRAIGHTFORWARD GENERALIZATION OF THE MODEL APPEARED TO PROVIDE A GOOD SEMIQUANTITATIVE ACCOUNT OF THE SPACE DATA. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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