Table 4. Evaluation criteria for tools grouped into their general capabilities, their use in practice, and the products they generate. Tools   Does it enable expression or understanding of uncertainty?   Are the results readily communicable to target groups?   Are the results easily aggregated and summarized?   Are the results clear and appealing to distant/central policy/decision makers?   Does it provide reasonable levels of accuracy?   Does it provide reasonable levels of precision? Bayesian belief network and system dynamic model   Yes   No   Yes   Probably, yes   Yes   Yes Discourse-based valuation   Yes   Variable   Yes   Unknown   Yes   Yes 4Rs framework   Yes   Variable   No   Yes   Depends on use   Depends on use Participatory mapping   No   Yes   No   No   Possible, depends on use   Depends on use Pebble Distribution Method   Yes (replication and explanation)   Yes   Yes   Yes   Possible, depends on use   Yes Future scenarios   Yes   No, difficult with illiterate stakeholders   No   Unclear   Variable   Depends on use Spidergram   Partial   Yes   Sometimes   Unclear   Depends on use   Depends on use Venn diagram   Depends on use   Yes   Unknown   Depends on presentation   Depends on use   Depends on use Who Counts Matrix   Depends on use   Depends on use and the way in which results are communicated   Unknown   Depends on presentation   Depends on use   Depends on use