In particular, we used the weighted area between curves (wABC) as a measure of I-DIF magnitude, with values greater than 0.30 indicative of practically significant I-DIF [ 91 ].
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Improving the measurement of alexithymia in autistic adults: a psychometric investigation of the 20-item Toronto Alexithymia Scale and generation of a general alexithymia factor score using item response theory.
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