Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHas the Check Been Mated?AuthorsSovchik, RobertPublicationSchool Science & Mathematics, 1977, Vol 77, Issue 2, p157ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1977.tb09228.x