Unconditioned Stimulus (UCS): In classical conditioning, the stimulus that elicits an unconditioned response.
非條件刺激：在經典條件作用中，引起非條件反應的刺激。
Unconscious: The domain of the psyche that stores repressed urges and primitive impulses.
潛意識：儲存被壓抑的衝動和原始衝動的心理領域。
Validity: The extent to which a test measures what it was intended to measure.
效度：測試能夠測量出其目的的程度。
Variable: In an experimental setting, a factor that varies in amount and kind.
變量：實驗中，在數量和種類上發生變化的因素。