Text ( visual ) : unmediated Student Retention strategies / Oscar T. Lenning, Ken Sauer, Philip E. Beal ; prepared by ERIC Clearinghouse on Higher Education, The George Washington University. -- Washington, D.C. : American Association for Higher Education , 1980. -- 58 p. ; 23 cm. -- (AAHE-ERIC/higher education research report ; 1980, no. 8). -- Bibliography: p. 48-58. -- (BA24335120) ; https://ci.nii.ac.jp/ncid/BA24335120 Author Heading(s): Lenning, Oscar T. ; Sauer, Ken ; Beal, Philip E. ; ERIC Clearinghouse on Higher Education. -- Classification(s): LCC : LB2331 ; DC19 : 378/.125. -- Subject Heading(s): LCSH : College teaching -- Evaluation ; LCSH : Student evaluation of curriculum ; LCSH : College students -- Attitudes