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  1. Heuristics and biases in mental arithmetic: revisiting and reversing operational momentum.Samuel Shaki, Michal Pinhas & Martin H. Fischer - 2018 - Thinking and Reasoning 24 (2):138-156.
    Mental arithmetic is characterised by a tendency to overestimate addition and to underestimate subtraction results: the operational momentum effect. Here, motivated by contentious explanations of this effect, we developed and tested an arithmetic heuristics and biases model that predicts reverse OM due to cognitive anchoring effects. Participants produced bi-directional lines with lengths corresponding to the results of arithmetic problems. In two experiments, we found regular OM with zero problems but reverse OM with non-zero problems. In a third experiment, we tested (...)
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  • The Developmental Trajectory of the Operational Momentum Effect.Pedro Pinheiro-Chagas, Daniele Didino, Vitor G. Haase, Guilherme Wood & André Knops - 2018 - Frontiers in Psychology 9.
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  • Mental movements without magnitude? A study of spatial biases in symbolic arithmetic.Michal Pinhas & Martin H. Fischer - 2008 - Cognition 109 (3):408-415.
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