Comparing two-digit numbers: The importance of being presented together.

A study examined the impact of presentation mode on magnitude comparisons of two-digit numbers using the stimuli set developed in 2001 by Nuerk, Weger, and Willmes. In Experiment 1, only number pairs from difference decades were either simultaneously or sequentially introduced. Simultaneous presen...

Full description

Bibliographic Details
Published in:Quarterly Journal of Experimental Psychology Vol. 62; no. 3; pp. 444 - 453
Main Authors: Ganor-Stern, Dana, Pinhas, Michal, Tzeglov, Joseph
Format: Article
Published: Taylor & Francis Ltd March 2009
Subjects:
Online Access:View this record in EBSCOhost
Description
Summary:A study examined the impact of presentation mode on magnitude comparisons of two-digit numbers using the stimuli set developed in 2001 by Nuerk, Weger, and Willmes. In Experiment 1, only number pairs from difference decades were either simultaneously or sequentially introduced. Simultaneous presentation showed the parallel processing of both the units and decades digits and for a components representation. Sequential presentation revealed the processing of mainly the decades digits. In Experiment 2, within-decade number pairs were included to make both the units and decades digits task relevant. Findings from the simultaneous condition demonstrated consistency with a components representation, whereas those from the sequential presentation were more aligned with a holistic representation in keeping with Zhang and Wang's research.