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Table 1 Construction of the eight permutations.

From: The Manchester Color Wheel: development of a novel way of identifying color choice and its validation in healthy, anxious and depressed individuals

Permutation 1 Positive color = ≥20 (pos) and ≤ 5 (neg)
  Negative color = ≥20 (neg) and ≤ 5 (pos)
Permutation 2 Positive color = ≥20 (pos) and ≤ 10 (neg)
  Negative color = ≥20 (neg) and ≤ 10 (pos)
Permutation 3 Positive color = ≥30 (pos) and ≤ 5 (neg)
  Negative color = ≥30 (neg) and ≤ 5 (pos)
Permutation 4 Positive color = ≥30 (pos) and ≤ 10 (neg)
  Negative color = ≥30 (neg) and ≤ 10 (pos)
Permutation 5 Positive color = ≥40 (pos) and ≤ 5 (neg)
  Negative color = ≥40 (neg) and ≤ 5 (pos)
Permutation 6 Positive color = ≥40 (pos) and ≤ 10 (neg)
  Negative color = ≥40 (neg) and ≤ 10 (pos)
Permutation 7 Positive color = ≥50 (pos) and ≤ 5 (neg)
  Negative color = ≥50 (neg) and ≤ 5 (pos)
Permutation 8 Positive color = ≥50 (pos) and ≤ 10 (neg)
  Negative color = ≥50 (neg) and ≤ 10 (pos)
  1. In Permutation 1 a color was defined as positive if 20% or more of individuals regarded it as positive and 5% or less regarded it as negative. Similarly, a color was regarded as negative if 20% or more of individuals regarded it as negative and 5% or less of individuals regarded it as positive. Subsequent permutations used varying degrees of positivity and negativity.