Quantifying cognitive complexity: evidence from a reasoning task

There are some doubts about the nature of cognitive complexity. It has been proposed that the loadings on the first un-rotated factor can be taken as a way to quantify the cognitive complexity of a given task. However, the evidence is sparse. The present study tests 1968 participants in a computeriz...

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Bibliographic Details
Published in:Personality and individual differences 2003-08, Vol.35 (3), p.659-669
Main Authors: Arend, Isabel, Colom, Roberto, Botella, Juan, José Contreras, Maria, Rubio, Victor, Santacreu, José
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cognition. Intelligence
Cognitive complexity
Factor analysis
Factor loadings
Fundamental and applied biological sciences. Psychology
Information processing
Information processing models
Linear syllogisms
Miscellaneous
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reasoning
Syllogistic reasoning
Task performance
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Summary:There are some doubts about the nature of cognitive complexity. It has been proposed that the loadings on the first un-rotated factor can be taken as a way to quantify the cognitive complexity of a given task. However, the evidence is sparse. The present study tests 1968 participants in a computerized task that comprises linear syllogisms or three-term series problems. The correlation matrix is submitted to a factor analysis. The first un-rotated factor is taken as the vector of cognitive complexity. The vector of task difficulty was obtained after the proportion of participants that failed each syllogism. In addition to task empirical difficulty, three information processing models are taken as predictors of cognitive complexity. Then, regression analyses were carried out to predict cognitive complexity from the information processing (IP) models and task difficulty. Results show that the IP models and task difficulty predict cognitive complexity defined by the loadings on the first un-rotated factor. Therefore, it is concluded that those loadings can be taken as a way to quantify cognitive complexity.
ISSN:0191-8869
1873-3549
DOI:10.1016/S0191-8869(02)00243-X