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Behav Res Methods Instrum Comput. 1999 Nov;31(4):696-700.

AppleTree: a multinomial processing tree modeling program for Macintosh computers.

Author information

1
Universit├Ąt Trier, Germany. rainer@cogpsy.uni-trier.de

Abstract

Multinomial processing tree (MPT) models are statistical models that allow for the prediction of categorical frequency data by sets of unobservable (cognitive) states. In MPT models, the probability that an event belongs to a certain category is a sum of products of state probabilities. AppleTree is a computer program for Macintosh for testing user-defined MPT models. It can fit model parameters to empirical frequency data, provide confidence intervals for the parameters, generate tree graphs for the models, and perform identifiability checks. In this article, the algorithms used by AppleTree and the handling of the program are described.

PMID:
10633987
[Indexed for MEDLINE]

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