“…Finally, reading comprehension processes are not directly observable, and optimal assessment remains a challenge. Recent work by Bergan, Towstopiat, Cancelli, & Karp, (1982); Bourque (1980); Garner, Macready, &Wagoner (1984), andHaertel (1984) have demonstrated that latent class modeling procedures provide a relatively new and useful framework from which to address issues related to order of trait acquisition. These modeling approaches are particularly viable because computer programs are now available for such analyses (Clogg, 1977;.…”