Aging-related declines occur in many different domains of cognitive function during middle and late adulthood. However, whether a global dimension underlies individual differences in changes in different domains of cognition and whether global genetic influences on cognitive changes exist is less clear. We addressed these issues by applying…

Previous research has highlighted the important role of choice in listeners' responses to music, but relatively little is known about the subjective criteria on which listeners base their choices. Hence, the goal of this study was to make a first attempt to investigate the relative importance of various criteria in listeners' choice and aesthetic…

According to Cronbach's method of data analysis--which decomposes individual scores into separate components for different levels of aggregation--data collected for an investigation of the development of individual differences in ability test scores from grade 4 through grade 9 were grouped into school district, class, and individual components.…