Reports on the findings of a study designed to investigate factors that influence the educational effectiveness of field trips for students. The objective was to identify factors that influence a students' learning ability during field trips. Such insight can be used to assist curriculum developers meaningfully integrate field trips into related curricula. Recommends that a field trip should occur early in the concrete part of the curriculum and should be preceded by a relatively short preparatory unit that focuses on increasing familiarity with the learning setting of the field trip.