TABLE 1.
Psychometric judgments and factor models used in confirmatory factor analyses.
| Assignment of variables to factors |
||||
| No. | Item | Model 1 | Model 2 | Model 3 |
| Threat and dread | ||||
| 1 | How serious a threat is < climate change/pandemic coronavirus > to humankind? (No Threat—Very serious threat) | Factor 1 | Factor 1 | Factor 1 |
| 3 | How serious a threat is < climate change/pandemic coronavirus > to you personally? (No threat—Very serious threat) | Factor 1 | Factor 1 | Factor 1 |
| 4 | How serious a threat is < climate change/pandemic coronavirus > to plants and animals? (No threat—Very serious threat) | Factor 1 | Factor 1 | Factor 1 |
| 7 | How much does the idea of < climate change/pandemic coronavirus > fill you with dread? (Not at all dreadful—Very dreadful) | Factor 1 | Factor 1 | Factor 1 |
| Morality | ||||
| 14 | To what extent do you have moral concerns about < climate change/pandemic coronavirus > ? (No moral concerns—Very strong moral concerns) | Factor 1 | Factor 2 | |
| 13 | To what extent do you feel a moral responsibility to do something about < climate change/pandemic coronavirus > ? (No moral responsibility—Very strong moral responsibility) | Factor 1 | Factor 2 | |
| 10 | Are the risks and benefits of < climate change/pandemic coronavirus > equitably distributed among humans? (Very inequitably distributed—Very equitably distributed) | Factor 1 | Factor 2 | |
| Known risk | ||||
| 2 | How well is < climate change/pandemic coronavirus > understood by science? (Not at all understood—Very well understood) | Factor 2 | Factor 3 | Factor 2 |
| 11 | How well informed do you feel about < climate change/pandemic coronavirus > ? (Not informed at all—Very well informed) | Factor 2 | Factor 3 | Factor 2 |
| 12 | How soon will the consequences of < climate change/pandemic coronavirus > be experienced? (Immediately—Far in the future) | Factor 2 | Factor 3 | Factor 2 |
| Controllability and efficacy | ||||
| 6 | To what extent are the consequences of < climate change/pandemic coronavirus > controllable? (Not at all controllable—Completely controllable) | Factor 2 | Factor 4 | |
| 8 | How easy is it for you personally to take action to slow or stop < climate change/pandemic coronavirus > ? (Very hard—Very easy) | Factor 2 | Factor 4 | |
| 8B | How much can you personally contribute to slowing or stopping < climate change/pandemic coronavirus > ? (Can do nothing personally—Can do a great deal personally) | Factor 2 | Factor 4 | |
| 9 | To what extent can governments slow or stop < climate change/pandemic coronavirus > ? (Not at all—Completely) | Factor 2 | Factor 4 | |
| Human benefits | ||||
| 5 | How much do humans benefit from < climate change/pandemic coronavirus > ? (No benefit—Great benefit) | Factor 2 | Factor 4 | |
Depending on their survey context condition, participants responded to either the climate change or the pandemic coronavirus version of each item. Endpoint labels of response scales are given in parentheses. Models 1 and 2 use all psychometric items; Model 3 uses only seven of them.