Described are how students (n=2,000) reduce the complexity of multivariable problems. Tendencies toward "functional reduction" in common reasoning are shown to range from a simple reduction in the number of variables considered, to a more elaborate procedure where all variables are taken into account, but in a simplified way involving…

Presents study results on text revision strategies using a simplified word processor that records movements of linguistic units. Reports that adult subjects used the simultaneous strategy for correcting narrative and local-then-global strategy for correcting description whereas children used the local-then-global strategy for the narrative, but no…