For each statement below, just check the box that comes closest to your opinion of how true it is. In your opinion, how true is this?
A. All radioactivity is made by humans.
Code | Label |
---|---|
1 | Definitely true |
2 | Probably true |
3 | Probably not true |
4 | Definitely not true |
8 | Don't know |
9 | No answer |
0 | Not applicable |
1993 | 1994 |
---|---|
102 | 110 |
398 | 329 |
401 | 400 |
430 | 385 |
145 | 122 |
81 | 40 |
49 | 1606 |
Valid cases | 2555 |
Missing cases | 59911 |