&gt; Strategies to induce behavioural change, that often involve children, can include blowing a whistle when someone goes outdoors, putting flags on faeces with people’s names on them, even presenting ‘culprits’ with their own faeces, according to a paper on the subject.<p>&gt; The authors site instances in Bangladesh where individuals have been stoned for defecating outside, coerced into signing contracts to build latrines and locked out of their homes for not doing so, among other punishments. They argue for more scrutiny of how CLTS (community led total sanitation) programs are playing out.