Wade’s 1993 article, published in Theory and Research in Social Education (TRSE) proved to be an exception. She reviewed 25 content analyses of social studies textbooks published from 1982 to 1992 and discovered many limitations. She noted, for example, researchers relied too much on their own perceptions and opinions of social studies topics and failed to cite additional sources to support their claims. This research further asserted social studies textbook analyses lacked inter-rater reliability and data quantification. In many cases, the authors of these works were comparing textbooks to other textbooks, rather than to standards, and were not examining all the texts used in a particular content area. Based on the analyses