Table 6 T test comparing means of impacts in different groups
From: The impact assessment of technologies diffusion: a mixed methods analysis
Row | Variables | Laser | Traditional | T value | Level of significance | ||
|---|---|---|---|---|---|---|---|
Mean | Standard deviation | Mean | Standard deviation | ||||
1 | Impacts of laser-land leveling | 175.46 | 41.25 | 162.20 | 32.03 | 2.75 | 0.006 |
2 | Ecological impacts | 28.66 | 8.40 | 25.37 | 7.46 | 3.30 | 0.001 |
3 | Social impacts | 23.53 | 7.82 | 20.91 | 6.22 | 2.85 | 0.005 |
4 | Economic impacts | 14.17 | 4.99 | 14.05 | 3.86 | 1.27 | 0.20 |
5 | Technical impacts | 108.55 | 42.33 | 100.95 | 36.07 | 2.70 | 0.007 |