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On the Bock-Aitkin procedure—From an EM algorithm perspective

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Abstract

The relationship between the EM algorithm and the Bock-Aitkin procedure is described with a continuous distribution of ability (latent trait) from an EM-algorithm perspective. Previous work has been restricted to the discrete case from a probit-analysis perspective.

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Authors and Affiliations

  1. ACT, Inc., P.O. Box 168, 52243-0168, Iowa City, IA

    Yaowen Hsu

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  1. Yaowen Hsu
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Additional information

The author is grateful to Bradley A. Hanson for valuable discussion and comments. Thanks also go to Terry A. Ackerman, Meichu Fan, Subrata Kundu, and Robert K. Tsutakawa for their help and encouragement in this study.

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Hsu, Y. On the Bock-Aitkin procedure—From an EM algorithm perspective. Psychometrika 65, 547–549 (2000). https://doi.org/10.1007/BF02296345

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  • DOI: https://doi.org/10.1007/BF02296345

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