The relations between the developing mind and developing brain are explored. We outline a theory of intellectual development postulating that the mind comprises four systems of processes (domain-specific, attention and working memory, reasoning, and cognizance) developing in four cycles (episodic, realistic, rule-based, and principle-based…

School psychologists are often involved in evaluating students who have been referred for reading problems or are suspected of having dyslexia. To accomplish this task, it is important to have a thorough understanding of dyslexia, and know what factors to consider. Therefore, the purposes of this article are to describe: (1) the primary and…

An intelligence model of processes and content of thought is proposed. Processes include remembering, evaluating, generating, and transforming, while content is self, forms, ideas, and persons, determining levels of complexity for learning. The TETRA model is compared with J.P. Guilford's aptitude structure of intellect. Theory implications for…

Discusses whether formal thought constitutes a structured whole and role of propositional logic in advanced reasoning. Presents aspects of advanced reasoning model, considering hypothesis generation/testing as central processes in intellectual development. Argues that advanced reasoning schemata are linked by these processes and should be…

The "componential" theory of intelligence explains intelligence in terms of three types of component processes that make up intelligent performance. The first of these, "metacomponents," are the higher-order or executive processes that one uses to plan what one is going to do, monitor what one is doing, and evaluate what one…