Colleges and universities in the United States are currently in the midst of a debate on how to integrate students' academic and social lives in a manner similar to the centuries old model of Oxford and Cambridge. One of the major initiatives by colleges and universities is the re-establishment of residentially-based learning communities whose use…

Three samples of 8- to 16-year olds were assessed three times at yearly intervals on eight water-level items. Within-child change over age was viewed as stochastic process of the child changing or remaining in one of three latent strategy states. Although there was improvement in task performance over age, the general finding was that strategy…