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de Beeck H O, Wagemans J, 2001, "Visual object categorisation at distinct levels of abstraction: A new stimulus set" Perception 30(11) 1337 – 1361
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Visual object categorisation at distinct levels of abstraction: A new stimulus set

Hans Op de Beeck, Johan Wagemans

Received 18 August 2000, in revised form 21 June 2001

Abstract. We designed a new stimulus set with 269 line drawings of everyday artifacts and animals. The stimulus set contains several typical exemplars from a sample of 25 basic-level categories. We determined to what extent these stimuli were named at the basic level and at a more subordinate level. An additional experiment showed the validity of this calibration: typicality ratings were correlated significantly with the level of naming. In a final experiment we found that this effect depends largely on the global configuration of a stimulus as it was still apparent with degraded images obtained by locally shifting small fragments of the drawings.

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