Although such questions as whether animals can think, and how to accord them rights, are controversial, this trend has nonetheless encouraged people to actively seek alternatives to using animals in experiments, and has gradually led to stricter laws and regulations.
由於對人權的覺醒，進而也有人提出「動物權」的思考，雖然動物是否有思考能力、如何行使權利有極大爭議，但也因此刺激人們積極尋找動物實驗的替代方式、與逐漸提高法令的嚴格度。