Table 1 Summary of questions asked in the online survey
From: The influence of probabilistic volcanic hazard map properties on hazard communication
Questions in survey | ||
|---|---|---|
Question | Topic | Type |
Ethics | ||
1 | Understanding of voluntary consent | MC |
2 | Understanding of access to summary of study findings | MC |
Field of work | ||
3 | Primary field of work | MC* |
Personal associations/relevance of volcanic hazard | ||
4 | Experience/memories of volcanoes | MC* |
5 | Importance of volcanic hazard maps | MCL |
Data classification (Figure 2 ) | ||
6 | Read probabilistic hazard from gradational shaded map | Txt |
7 | Read qualitative hazard from gradational shaded map | MCL |
8 | Read probabilistic hazard from binned map | Txt |
9 | Read qualitative hazard from binned map | MCL |
10 | Read probabilistic hazard from isarithmic map | Txt |
11 | Read qualitative hazard from isarithmic map | MCL |
12 | Order data classification style maps preference | DD |
13 | Explain data classification style maps preference | Txt |
Map content (Figure 3 ) | ||
14 | Helpfulness of fixed ash/probability threshold maps | MCL |
15 | Preferred map to receive of fixed ash/probability threshold maps | MC |
Key expression | ||
16 | Preferred key text | MC |
17 | Influence of key text on perceived level of hazard | MC* |
Hazard curves (Figure 4 ) | ||
18 | Read hazard curve with percentile lines | MC |
19 | Ease/difficulty of reading hazard curve with percentile lines | MCL |
20 | Read hazard curve with confidence interval area | MC |
21 | Ease/difficulty of reading hazard curve with confidence area | MCL |
22 | Rank helpfulness of hazard curves being available with map | MCL |
Map colour scheme (Figure 5 ) | ||
23 | Preferred colour scheme set of maps | MC |
24 | Explain reason for colour scheme preference | Txt |
25 | Influence of colour scheme on hazard perception | MCL* |
Explanatory text (Figure 6 ) | ||
26 | Helpfulness of explanatory text to understanding map | MCL* |
27 | Importance of explanatory text on map | MCL* |
Format | ||
28 | Desired format for receiving volcanic hazard maps | MC+ |
Demographics (Table 2 ) | ||
29 | Age bracket | MC |
30 | Ethnicity | MC |
31 | Highest level of education | MC |