noun
law of effect
A principle in psychology, particularly behaviorism, stating that responses followed by satisfaction are strengthened, while those followed by discomfort are weakened.
効果の法則は、エドワード・ソーンダイクによって提唱された。
The law of effect was proposed by Edward Thorndike.
A compound of 効果 (effect) + の (possessive particle) + 法則 (law), likely a direct translation of the English term 'law of effect'.