A quasi experimental study was done to determine significant positive effects among three different types of visual models and to identify whether any individual type or combination contributed towards a positive increase of spatial visualization ability for students in engineering technology courses.In particular, the study compared the use of different visual models -a 3D printed solid object, a 3D computer generated drawing and a 2D drawing.
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Katsioloudis et al. (2019) studied this question.
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