Levene test of homogeneity of variance between textile experts (TE) and non-expert participants (NEP) for each textile attribute across 22 textile swatches.

It depicts that standard deviations (SD) are homogenous in five attributes and are not homogenous in three attributes (isotropy, scratchiness and stickiness) at alpha 0.05. Markedly, for scratchiness and stickiness, the SDs among textile experts (n = 5) are smaller than NEP (n = 20) in spite their smaller sample size.

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