Judged: two independent readers; copy check clear.
voice key
voice key A voice key is a reaction-time device in which the subject’s spoken response serves as the signal that completes or interrupts the timing circuit.
A voice key is a reaction-time device in which the subject’s spoken response serves as the signal that completes or interrupts the timing circuit. In historical laboratory work it was used for complex reactions when different spoken words were needed as different responses.