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Nuerk, Hans-Christoph; Kaufmann, Liane; Zoppoth, Sabine; Willmes, Klaus – Developmental Psychology, 2004
Magnitude is assumed to be represented along a holistic mental number line in adults. However, the authors recently observed a unit-decade compatibility effect for 2-digit numbers that is inconsistent with this "holisticness" assumption (H.-C. Nuerk, U. Weger, & K. Willmes, 2001). This study used the compatibility effect to examine whether the…
Descriptors: Numeracy, Computation, Models, Cognitive Processes

Thomas, Hoben; Lohaus, Arnold; Kessler, Thomas – Developmental Psychology, 1999
Three samples of 8- to 16-year olds were assessed three times at yearly intervals on eight water-level items. Within-child change over age was viewed as stochastic process of the child changing or remaining in one of three latent strategy states. Although there was improvement in task performance over age, the general finding was that strategy…
Descriptors: Adolescents, Age Differences, Children, Cognitive Development