whereas the majority of the unsuccessful processes covered almost no planning or
regulation activities (so-called “wild goose chase” processes). See Schoenfeld (1992,
p. 354 ff.) for a review of control related research. Schoenfeld (ibid.) also summarizes
several studies indicating that “students’ use of heuristic strategies was positively
correlated with performance on ability tests, and on specially constructed problem
solving tests; however, the effects were relatively small.” (ibid., p. 352 ff.)