Abstract
SUMMARY Do physics students in pre-service training to be high-school teachers hold the accepted scientific views that will eventually allow them to plan and implement instructional strategies, which, in turn, will lead their future students to achieve a scientific concept of feree? The results of a longitudinal study dealing with this issue will be discussed in this paper. The most important findings of this study can be summarised as follows. Physics students in pre-service training for high school teachers: (1) mostly do not succeed in abandoning their Aristotelian ‘impetus’ misconception; (2) have difficulties in recognising reaction as a force; (3) are rather ambivalent when referring to the necessity of the forces to be balanced in static situations; (4) hold, to a great extent, the concept that an initial force exerted on an object keeps it going and gradually lessens--the ‘fading-away’ concept; (5) hold, to a great extent, the concept that a force (inertia), resisting a push, acts on moving objects; (6) tend to return in 4th year in college to intuitive views of force, rather than holding the accepted scientific concept.
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