So we are talking about Intervention anthropology these combine the approaches of action anthropology so a value specific strategy with the goals of community self-determination in mind this also includes research and development anthropology so research – based participant intervention it includes Community Development so this is self-help groups self – help group action through community participation and voluntary cooperation it also includes advocacy anthropology so facilitating community-based action through providing data and technical assistance it includes cultural brokerage so linking people of co-equal socio-cultural systems through an individual’s they really kind of serve as mediators and it includes social marketing so this is a research - based strategy that combines commercial marketing with applied social science to assist people to change to beneficial behaviors so lots of different kind of work done in intervention