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Colour category effects

Evidence from asymmetries in task performance
  • Oliver Wright
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Colour Studies
This chapter is in the book Colour Studies

Abstract

This chapter provides an overview of recent experiments (Hanley and Roberson 2011; Wright 2012) investigating asymmetries in performance of two kinds of task, two-alternative forced choice (2-AFC) and visual search. Previous research has reported colour category effects in performance of both tasks and suggests such category effects can be interpreted as evidence of a Whorfian effect. Two key questions addressed here are: first, whether asymmetries in performance of 2-AFC and visual search tasks might also represent a Whorfian effect, and second, whether asymmetries in the two tasks can be accommodated within a framework that implies Whorfian effects in the domain of colour depend critically on on-line stimulus categorization. In addition to interpretations that offer affirmative answers to these questions, alternative interpretations are considered.

Abstract

This chapter provides an overview of recent experiments (Hanley and Roberson 2011; Wright 2012) investigating asymmetries in performance of two kinds of task, two-alternative forced choice (2-AFC) and visual search. Previous research has reported colour category effects in performance of both tasks and suggests such category effects can be interpreted as evidence of a Whorfian effect. Two key questions addressed here are: first, whether asymmetries in performance of 2-AFC and visual search tasks might also represent a Whorfian effect, and second, whether asymmetries in the two tasks can be accommodated within a framework that implies Whorfian effects in the domain of colour depend critically on on-line stimulus categorization. In addition to interpretations that offer affirmative answers to these questions, alternative interpretations are considered.

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