Why evidence literacy protects a campaign's credibility
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A campaign's credibility is built slowly through many small, careful choices about evidence made over a long period, and it can be damaged quickly by a single overstated or poorly sourced claim that a critic is able to unpick publicly and use to cast doubt on everything else the campaign says.
Practising evidence literacy internally, checking claims before they are shared rather than only after they are challenged publicly, protects a campaign from that kind of damage and also strengthens its arguments, since claims that have already survived internal scrutiny tend to hold up far better under external challenge too, when it eventually comes.
Over time, a reputation for careful, honest use of evidence becomes a campaign asset in its own right, since audiences and even sceptical decision makers become more willing to trust a source that has consistently shown its evidence can withstand close examination by anyone who cares to look.