| 摘要 |
The present invention provides a teaching arrangement which comprises a source of questions and answers (102), a means for asking groups of questions on a plurality of occasions. (110), means for determining if an answer is correct. (100), means for extending an integral between successive asking of groups of questions in response to a correct answer (110). Means for reducing at least an integral between successive asking of that group of questions in response to an incorrect answer (110). The invention also provides a method of teaching.
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