Over-estimation in numerosity estimation tasks: more than an attentional bias?

@article{Crollen2012OverestimationIN,
  title={Over-estimation in numerosity estimation tasks: more than an attentional bias?},
  author={Virginie Crollen and Xavier Seron},
  journal={Acta psychologica},
  year={2012},
  volume={140 3},
  pages={246-51}
}
Over- and under-estimation have been observed in numerosity estimation and approximate arithmetic tasks. Two different models have been proposed to account for these reverse patterns of performance: 1) the bi-directional mapping account (Crollen, Castronovo, & Seron, 2011); 2) the operational momentum hypothesis (McCrink, Dehaene, & Dehaene-Lambertz, 2007). Our study was designed to examine whether the operational momentum could account for the over-estimation found in numerosity estimation… CONTINUE READING

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