Research index·Book chapterSamplingSAGE Publications Ltd eBooks·1 Jan 2016DOI10.4135/9781036211561.n8Book chapterSamplingSAGE Publications Ltd eBooks · 2016 · SubscriptionDOI10.4135/9781036211561.n8ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionRelated papersMoreDetailsPublished, publisherSuggest a correction or report
