Mean score of the post-test of both groups
| Steps of learning strategies | Items | Group | N | Mean rank | Sum of ranks | Mann–Whitney U test | Z | Sig. (Two-tailed) |
|---|---|---|---|---|---|---|---|---|
| Identifying and defining the problem | IDP1 | Experimental | 80 | 101.28 | 8102.50 | 1537.500 | −6.371 | 0.000 |
| Control | 80 | 59.72 | 4777.50 | |||||
| IDP2 | Experimental | 80 | 94.74 | 7579.00 | 2061.000 | −4.539 | 0.000 | |
| Control | 80 | 66.26 | 5301.00 | |||||
| IDP3 | Experimental | 80 | 87.33 | 6986.00 | 2654.000 | −2.406 | 0.016 | |
| Control | 80 | 73.68 | 5894.00 | |||||
| Building knowledge from contextual learning | BK1 | Experimental | 80 | 91.00 | 7280.00 | 2360.000 | −4.296 | 0.000 |
| Control | 80 | 70.00 | 5600.00 | |||||
| BK2 | Experimental | 80 | 94.27 | 7541.50 | 2098.000 | −4.488 | 0.000 | |
| Control | 80 | 66.73 | 5338.50 | |||||
| BK3 | Experimental | 80 | 97.95 | 7836.00 | 1804.000 | −5.873 | 0.000 | |
| Control | 80 | 63.05 | 5044.00 | |||||
| Applying physics and mechanical engineering to problem-solving | AP1 | Experimental | 80 | 93.68 | 7494.00 | 2146.000 | −4.460 | 0.000 |
| Control | 80 | 67.33 | 5386.00 | |||||
| AP2 | Experimental | 80 | 95.26 | 7620.50 | 2019.500 | −4.463 | 0.000 | |
| Control | 80 | 65.74 | 5259.50 | |||||
| AP3 | Experimental | 80 | 92.42 | 7393.50 | 2246.500 | −3.769 | 0.000 | |
| Control | 80 | 68.58 | 5486.50 | |||||
| Integrating knowledge | IK1 | Experimental | 80 | 90.79 | 7263.00 | 2377.000 | −3.208 | 0.001 |
| Control | 80 | 70.21 | 5617.00 | |||||
| IK2 | Experimental | 80 | 105.71 | 8457.00 | 1183.000 | −7.783 | 0.000 | |
| Control | 80 | 55.29 | 4423.00 | |||||
| IK3 | Experimental | 80 | 107.42 | 8593.50 | 1046.500 | −8.348 | 0.000 | |
| Control | 80 | 53.58 | 4286.50 |
| Steps of learning strategies | Items | Group | N | Mean rank | Sum of ranks | Mann–Whitney | Z | Sig. (Two-tailed) |
|---|---|---|---|---|---|---|---|---|
| Identifying and defining the problem | IDP1 | Experimental | 80 | 101.28 | 8102.50 | 1537.500 | −6.371 | 0.000 |
| Control | 80 | 59.72 | 4777.50 | |||||
| IDP2 | Experimental | 80 | 94.74 | 7579.00 | 2061.000 | −4.539 | 0.000 | |
| Control | 80 | 66.26 | 5301.00 | |||||
| IDP3 | Experimental | 80 | 87.33 | 6986.00 | 2654.000 | −2.406 | 0.016 | |
| Control | 80 | 73.68 | 5894.00 | |||||
| Building knowledge from contextual learning | BK1 | Experimental | 80 | 91.00 | 7280.00 | 2360.000 | −4.296 | 0.000 |
| Control | 80 | 70.00 | 5600.00 | |||||
| BK2 | Experimental | 80 | 94.27 | 7541.50 | 2098.000 | −4.488 | 0.000 | |
| Control | 80 | 66.73 | 5338.50 | |||||
| BK3 | Experimental | 80 | 97.95 | 7836.00 | 1804.000 | −5.873 | 0.000 | |
| Control | 80 | 63.05 | 5044.00 | |||||
| Applying physics and mechanical engineering to problem-solving | AP1 | Experimental | 80 | 93.68 | 7494.00 | 2146.000 | −4.460 | 0.000 |
| Control | 80 | 67.33 | 5386.00 | |||||
| AP2 | Experimental | 80 | 95.26 | 7620.50 | 2019.500 | −4.463 | 0.000 | |
| Control | 80 | 65.74 | 5259.50 | |||||
| AP3 | Experimental | 80 | 92.42 | 7393.50 | 2246.500 | −3.769 | 0.000 | |
| Control | 80 | 68.58 | 5486.50 | |||||
| Integrating knowledge | IK1 | Experimental | 80 | 90.79 | 7263.00 | 2377.000 | −3.208 | 0.001 |
| Control | 80 | 70.21 | 5617.00 | |||||
| IK2 | Experimental | 80 | 105.71 | 8457.00 | 1183.000 | −7.783 | 0.000 | |
| Control | 80 | 55.29 | 4423.00 | |||||
| IK3 | Experimental | 80 | 107.42 | 8593.50 | 1046.500 | −8.348 | 0.000 | |
| Control | 80 | 53.58 | 4286.50 |
Source(s): Author’s calculations
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