TY - JOUR AU - TI - A New Device for Use in Teaching, Testing and Research in Learning JF - Transactions of the Kansas Academy of Science (1903-) DO - 10.2307/3624611 DA - 1930-04-17 UR - https://www.deepdyve.com/lp/crossref/a-new-device-for-use-in-teaching-testing-and-research-in-learning-0a5C7A2iHb SP - 41 VL - 33 IS - DP - DeepDyve ER -