ElwocnZ, Ibr BJ Upb aamp;u*a#39; Rd4agt; d fna#39; Oa^Sdxxl Oftm When one stops to consider that the scores were those made in a single test in each instance and that the students differed widely in capacity, previous attainments, and quality of work, it is anbsp;...
Title | : | A teachers' manual in the use of the educational scales |
Author | : | Marvin James Van Wagenen |
Publisher | : | - 1928 |
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