Specifications are offered for a stage theory of adult cognitive development. Current psychometric technologies are criticized as being limited in descriptions of cognitive function. The development of novel technologies is suggested for study of adult cognitive development. Paper presented at the 10th International Congress of Gerontology,…

Examined the development of belief discrepancy reasoning, or how people evaluate disagreeing others, with 44 college and elderly respondents. Results showed the elderly were significantly lower in belief discrepancy reasoning and higher in dogmatism than the college sample. The elderly sample did not evidence intolerance, but rather relativism.…

Administered six cognitive tasks to 115 men aged 50-93. Obtained two factors. The nonverbal performance factor was significantly predicted by age while the verbal factor was significantly predicted by education. The results suggest that verbal and nonverbal abilities may be determined by different antecedents. (Author)