Final answer:
The Stanford Prison Experiment and the Asch Conformity Experiment started the interest in the ethics of social science research.
Step-by-step explanation:
The experiments that started the interest in the ethics of social science research were the Stanford Prison Experiment and the Asch Conformity Experiment. The Stanford Prison Experiment, conducted by psychologist Philip Zimbardo in 1971, demonstrated the power of social roles and norms. It involved students from Stanford University who were assigned to play the roles of prisoners and guards, leading to unethical treatment and negative outcomes. The Asch Conformity Experiment, conducted by psychologist Solomon Asch in 1956, showed the pressure to conform within a small group, highlighting the influence on behavior.