Table 1 Cronbach’s alpha and descriptive statistics for computed constructs
From: One step closer: Laypeople’s perception of production steps for manufacturing CO2-based jet fuel
Construct | Number of items | Cronbach’s α | M | SD |
|---|---|---|---|---|
Environmental awareness | 5 | 0.676 | 3.42 | 0.90 |
CO2 effect knowledge | 3 | 0.551 | 3.84 | 0.78 |
CO2 chemical knowledge | 2 | 0.640 | 2.93 | 1.23 |
Openness to innovation | 3 | 0.566 | 2.34 | 0.87 |
Awareness of CO2-based jet fuel production | 2 | 0.630 | 0.91 | 1.02 |
Attitude towards CO2 separation | 6 | 0.899 | 3.07 | 1.10 |
Attitude towards CO2 purification | 6 | 0.884 | 3.13 | 0.95 |
Attitude towards CO2 transport | 6 | 0.906 | 2.53 | 1.05 |
Attitude towards CO2 conversion | 6 | 0.902 | 3.07 | 0.99 |
CCU benefit perception | 9 | 0.916 | 3.09 | 0.84 |
CCU barrier perception | 7 | 0.817 | 2.68 | 0.78 |
Risk perception for separation of CO2 | 2 | 0.732 | 2.03 | 0.99 |
Risk perception for purification of CO2 | 1 | – | 1.70 | 1.05 |
Risk perception for transport of CO2 | 4 | 0.787 | 2.58 | 0.91 |
Risk perception for conversion of CO2 | 3 | 0 | 2.34 | 0.90 |