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. 2013 Apr 22;110(19):7613–7618. doi: 10.1073/pnas.1219674110

Table 1.

Condition characteristics for experiments 1 and 2

Experiment and condition n D SD
Exp. 1
 Actual 44 8 9.9
 Idealized 42 8 2.3
Exp. 2
 Actual 44 8 9.9
 Idealized 49 17.4 9.9

n, number of participants; D, distance between category means (in stimulus units, which are equal to 1.3 mm); SD, within-category SD (in stimulus units).