This 4-year longitudinal study of logical reasoning found complex interrelationships among different cognitive processes of children ages 6 to 15. Piaget's stage theory is discussed in the introduction, with a focus on the concrete operational stage in middle childhood. In the study, a representative array of logical concept tasks and short-term…

The impact of date of birth on cognitive test scores is well documented across many countries, with the youngest children in each academic year performing more poorly, on average, than the older members of their cohort (see, for example, Bedard and Dhuey (2006) or Puhani and Weber (2005)1). However, relatively little is known about the driving…

Results of five experiments in which adults and children were exposed to two study strategies for vocabulary learning: (1) repetition of words with meanings and (2) associative elaboration (the keyword method). Subjects were asked to choose one of the two study methods for learning a 24-item list of new vocabulary words. (SL)

In order to evaluate the validity of outcomes assessment at two-year colleges, the American College Testing (ACT) Program developed "Project Cooperation." Institutions participating in the project administered tests and surveys to measure changes in students' cognitive abilities over time and record student feedback, and reported the…