共 50 条
- [1] THE EFFECTS OF PREMATURE DRILL IN THIRD-GRADE ARITHMETIC JOURNAL OF EDUCATIONAL RESEARCH, 1935, 29 (01): : 17 - 28
- [2] VOCABULARY DIFFICULTIES OF FIVE TEXTBOOKS IN THIRD-GRADE ARITHMETIC ELEMENTARY SCHOOL JOURNAL, 1941, 41 (09): : 683 - 691
- [3] AN EXPERIMENT IN TEACHING ARITHMETIC IN THE THIRD GRADE ELEMENTARY SCHOOL JOURNAL, 1922, 22 (09): : 665 - 676
- [4] MOTIVATED DRILL WORK IN THIRD-GRADE ARITHMETIC AND SILENT READING JOURNAL OF EDUCATIONAL RESEARCH, 1921, 4 (03): : 200 - 211
- [9] RURAL BACKGROUND FOUND IN SIX THIRD-GRADE ARITHMETIC TEXTS PUBLISHED BETWEEN 1942 AND 1946 JOURNAL OF EDUCATIONAL RESEARCH, 1948, 42 (04): : 299 - 306
- [10] THE DIFFICULTY OF THIRD-GRADE HEALTH READERS ELEMENTARY SCHOOL JOURNAL, 1947, 47 (07): : 391 - 395