Bottrell, Harold R.2022-03-162022-03-16196513910293https://hdl.handle.net/10657/8917The problem was to establish and apply a procedure for critically evaluating, both quantitatively and qualitatively, the textual developmental tasks materials in the Texas state-adopted language arts and social studies textbooks for the sixth grade during the school year 1963-1964. Specifically, the study was concerned with: (1) development of criteria for identification of developmental tasks materials, (2) establishment of quality categories for evaluation of the developmental tasks materials identified, (3) validation of the criteria for the identification and quality categories for classification of developmental tasks materials, (4) determination of the quantity of developmental tasks materials contained in each textbook, (5) evaluation of the quality of the developmental tasks materials found, (6) objective presentation of the findings.application/pdfenThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. §107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.Teaching--Aids and devicesSocial sciences--Study and teaching (Elementary)Language arts (Primary)Thesisreformatted digital