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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
  1. The score range for total impacts, ecological impacts, social impacts, economic impacts and technical impacts are 0–237, 0–39, 0–33, 0–21, and 0–144, respectively