Table 1 Sketching survey results (Fall 2015 and Spring 2016)
Survey item | Fall 2015 | Spring 2016 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | Experimental | t value | New | Veteran | t value | |||||||||
N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD | |||
The format of the in-class critiques was appropriate for this course | n/a | 197 | 4.98 | 0.74 | n/a | n/a | 191 | 4.87 | 0.81 | n/a | ||||
I felt comfortable speaking about the work of others during the in-class critiques | n/a | 197 | 4.75 | 0.91 | n/a | n/a | 191 | 4.52 | 1.03 | n/a | ||||
I felt comfortable speaking about my own work during in-class critiques | n/a | 197 | 4.54 | 1.14 | n/a | n/a | 191 | 4.60 | 1.04 | n/a | ||||
The in-class critiques enhanced my ability to learn how to sketch | n/a | 197 | 4.53 | 1.17 | n/a | n/a | 191 | 4.32 | 1.17 | n/a | ||||
Participating in the sketching portion of this course improved my ability to sketch | 139 | 4.74 | 1.27 | 197 | 5.41 | 0.79 | 5.51* | 163 | 5.02 | 1.01 | 191 | 5.18 | 0.80 | − 1.72 |
Participating in the sketching portion of this course improved my ability to communicate a specific idea to a specific audience with my sketches | 139 | 4.29 | 1.16 | 197 | 4.95 | 0.89 | 5.69* | 163 | 4.55 | 1.01 | 191 | 4.84 | 0.88 | − 2.87* |
Participating in the sketching portion of this course improved my ability to prepare a set of working drawings for manufacturing | 139 | 4.71 | 1.22 | 197 | 4.74 | 1.03 | 0.19 | 163 | 4.88 | 0.98 | 191 | 4.84 | 0.92 | 0.45 |
Participating in the sketching portion of this course increased my creativity | 139 | 3.58 | 1.36 | 196 | 4.32 | 1.12 | 5.22* | 163 | 3.72 | 1.28 | 191 | 4.20 | 1.12 | − 3.76* |
The sketching portion of this course was a good use of my time | 138 | 3.57 | 1.41 | 197 | 4.51 | 1.14 | 6.53* | 162 | 3.75 | 1.30 | 191 | 4.42 | 1.11 | − 5.24* |
I feel more confident in my sketching ability as a result of participating in the sketching portion of this course | 138 | 4.50 | 1.30 | 197 | 5.06 | 1.02 | 4.20* | 163 | 4.67 | 1.11 | 191 | 4.90 | 0.99 | − 2.02* |
I believe the sketching training I received in this course will serve me well in later engineering courses | 139 | 4.30 | 1.29 | 197 | 4.77 | 1.16 | 3.48* | 163 | 4.40 | 1.24 | 191 | 4.77 | 1.01 | − 3.05* |
I would have preferred to move straight into CAD instruction without spending class time on hand sketching | 135 | 3.76 | 1.48 | 197 | 3.16 | 1.47 | − 3.60* | 163 | 3.52 | 1.48 | 191 | 3.36 | 1.38 | 1.05 |
I felt that the grading of the sketching portion of the course was fair | 135 | 4.00 | 1.35 | 197 | 5.01 | 1.12 | 7.16* | 163 | 4.75 | 1.08 | 191 | 4.60 | 1.15 | 1.32 |
I felt that the peer feedback process was effective in improving the quality of my work on lab assignments | 134 | 3.32 | 1.31 | n/a | n/a | 163 | 3.50 | 1.27 | 191 | 4.03 | 1.13 | − 4.16* | ||
I felt that the first round of TA feedback was effective in improving the quality of my work on lab assignments | 134 | 4.16 | 1.39 | n/a | n/a | 162 | 4.43 | 1.1 | 191 | 3.91 | 1.14 | 4.29* | ||
I believe I will sketch more frequently (when it’s not directly assigned) in this and later ME courses as a result of participating in the sketching portion of this course | 135 | 3.46 | 1.33 | 197 | 4.13 | 1.28 | 4.61* | 163 | 3.53 | 1.22 | 190 | 3.91 | 1.20 | − 2.93* |
I believe the sketching training I received in this course will enhance my ability to use CAD | 135 | 3.99 | 1.27 | 197 | 4.20 | 1.19 | 1.59 | 163 | 3.99 | 1.21 | 191 | 4.11 | 1.20 | − 0.91 |
I believe the sketching training I received in this course improved my visualization skills | 135 | 4.26 | 1.21 | 197 | 4.67 | 1.04 | 3.26* | 163 | 4.26 | 1.14 | 191 | 4.68 | 1.07 | − 3.56* |
I enjoyed the sketching portion of this course | 135 | 3.43 | 1.54 | 197 | 4.67 | 1.04 | 6.01* | 163 | 3.58 | 1.52 | 191 | 4.27 | 1.32 | − 4.48* |