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A procedure for developing alternate test forms that are parallel in the sense that scores on the different forms have similar means, standard deviations, and factor structures is described and applied to a bio‐data inventory and a situational judgment test. Careful consideration of item‐by‐item parallelism during development resulted in alternate forms that were parallel at the item level. Further, comparison with a biodata test form comprised of items randomly selected from a pool of biodata items revealed that for the types of measures described here it may be necessary to produce parallel forms of each item to create alternate forms that are parallel in the way in which Cronbach (1947) originally defined parallelism.
Clause et al. (Sun,) studied this question.
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