LEADER 00000nam a2200253   4500 
001    896949874 
005    19971101133346.0 
008    890427s1962    xx a          000 0 eng u 
040    |cMUS|dBKL|dUtOrBLW 
099    375.51|aT562 C 
100 1  Tiemens, Robert K. 
245 14 The comparative effectiveness of sound motion pictures and
       printed communications for the motivation of high school 
       students in mathematics. :|bTitle VII project number 459, 
       National Defense Education act of 1958, Grant number 7-13-
       086. 
264  1 [s.  .] :|bThe University of Iowa,|c1962. 
300    72 pages :|btables ;|c28 cm 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
500    Cover title. 
500    "The research...supported in part by a grant from the U. 
       S. Department of Health, Education, and Welfare, Office of
       Education." 
650  0 Mathematics|xStudy and teaching|xAudio-visual aids. 
948    MARS