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Acta Psychologica Sinica    2012, Vol. 44 Issue (11) : 1547-1553     DOI: 10.3724/SP.J.1041.2012.01547
A New Multiple-Strategies Cognitive Diagnosis Model: the MSCD Method
TU Dong-Bo;CAI Yan;DAI Hai-Qi;DING Shu-Liang
(Psychology College of Jiangxi Normal University, Nanchang 330027, China)
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Abstract  Almost all of the current cognitive diagnosis models allow for single-strategy of problem solving, and assume all examinees use the same processing strategy. Based on the extant studies, the current study developed a new multiple-strategies cognitive diagnosis model, called MSCD method. Monte Carlo method was employed here to explore the feasibility of the MSCD method and to examine the estimation precision as well as the properties of the MSCD method. The findings were presented: (1) Under the single-strategy tests or data, the average attribute match ration (AAMR), pattern match ration (PMR) and strategy match ration (SMR) of the MSCD method were as high as those of single-strategy cognitive diagnosis model (single-strategy model). (2) Under multiple-strategy tests or data, the MSCD method also had high AAMR, PMR and SMR, but single-strategy model did not. (3) When the number of strategy reaching 5, the MSCD method also had very high AAMR, PMR and SMR. All in all, the new developing model, the MSCD method, was reasonable and could be accepted.
Keywords cognitive diagnosis      multiple-strategies cognitive diagnosis model      processing strategy      Q-matrix     
Corresponding Authors: TU Dong-Bo   
Issue Date: 01 November 2012
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TU Dong-Bo
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TU Dong-Bo,CAI Yan,DAI Hai-Qi, et al. A New Multiple-Strategies Cognitive Diagnosis Model: the MSCD Method[J]. Acta Psychologica Sinica, 2012, 44(11): 1547-1553.
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