Effect of type of practice in a computer-aided design environment in visualizing three-dimensional objects from two-dimensional orthographic projections
Article Abstract:
The purpose of this study was to determine the effect of practice in manipulating 2- and 3-dimensional (D) wireframe images on a learner's ability to visualize 3-D objects. Practice, either rotational or not, consisted of visualizing 2- and 3-D objects generated by personal computer (PC)-based computer-assisted design software. Results indicated that participants in the rotation treatment group performed significantly better that those in either the nonrotation or control group on measures of spatial ability and 3-D visualization ability. Both treatment groups performed significantly better than the control group on measures of metacognition, effort, and worry. These results support a conclusion that spatial ability can be improved through practice that allows the learner to see the relationship between the 2-D and 3-D features of objects. (Reprinted by permission of the publisher.)
Publication Name: Journal of Applied Psychology
Subject: Social sciences
ISSN: 0021-9010
Year: 1996
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Familiarity and group productivity
Article Abstract:
The effects of familiarity on group productivity were examined. Familiarity refers to the specific knowledge workers have of their jobs, co-workers, and work environment. In this study of coal-mining crews, absenteeism led to staffing changes that affected the level of familiarity in the work group. Data from 26 crews in two underground coal mines indicate that lower levels of familiarity are associated with lower productivity. (Reprinted by permission of the publisher.)
Publication Name: Journal of Applied Psychology
Subject: Social sciences
ISSN: 0021-9010
Year: 1991
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