| 摘要 |
<p>The improved method of question and answer involving cards each connected to input and output terminals can be used in games, for education purposes and for medical psychological and selection tests. The person involved forms part of the conducting circuit, and is required to place a finger of one hadn on one of the input terminals whilst the other hand contacts one of the output terminals. The circuit is printed on loose sheets, cards or on bound leaves.</p> |
