Table 3 Participants’ ratings of the characteristics of photovoltaic panels
From: The promotion of domestic grid-connected photovoltaic electricity production through social learning
Panel characteristic | 2005 mean ratings (SD) | 2012 mean ratings (SD) | F(1,29) | Probability |
|---|---|---|---|---|
Environmentally worthwhile | 1.87 (1.06) | 2.12 (0.23) | 0.59 | <.45 |
Financially worthwhile | 5.43 (0.19) | 2.94 (0.17) | 95.86 | <.001 |
Not financially viable | 3.29 (0.32) | 4.53 (0.29) | 8.38 | <.01 |
Reliable | 2.29 (0.27) | 2.71 (.25) | 1.29 | <.27 |
Safe | 2.00 (0.96) | 2.65 (0.20) | 4.69 | <.04 |
Unnoticeable on roofs | 2.00 (0.29) | 3.35 (0.26) | 12.03 | <.01 |
Detract from the appearance of a house | 4.71 (0.39) | 3.59 (0.35) | 4.63 | p < .04 |