This paper describes a method for detecting and interpreting
disturbances of the local independence assumption
among items that share common stimulus
material or other substantive features. Dichotomous
and polytomous Rasch models are used in an example
to analyze Structure of the Learning Outcome (SOLO)
superitems and examine the results for local independence
problems. The results indicate that some disturbances
were present among particular subsets of the
items. Index terms: local independence, partial
credit model, one-parameter logistic model, Rasch
model, rating scale model.
Wilson, Mark. (1988). Detecting and interpreting local item dependence using a family of Rasch models. Applied Psychological Measurement, 12, 353-364. doi:10.1177/014662168801200403
Detecting and interpreting local item dependence using a family of Rasch models.
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