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. (1998). The effect of item pool restriction on the precision of ability measurement for a Rasch-based CAT: comparisons to traditional fixed length examinations. J Outcome Meas, 2, 97-122.
. (1998). The effect of item pool restriction on the precision of ability measurement for a Rasch-based CAT: comparisons to traditional fixed length examinations. J Outcome Meas, 2, 97-122.