The following podcast is on the Stanford Prison Experiment (SPE), a 1971 psychology study examining the impact of situational variables on behavior. The experiment involved simulating a prison environment with student participants assigned roles as guards or prisoners, resulting in unexpectedly brutal treatment of the prisoners by guards. The SPE has been highly influential but also significantly criticized for its methodology, ethical concerns, and questionable validity, with some claiming the guards' behavior was influenced by researcher direction rather than solely the situation. Subsequent research, such as the BBC Prison Study, has challenged the SPE's conclusions and interpretations. The experiment's legacy includes informing discussions on the nature of evil, the influence of situational factors on behavior, and ethical standards in psychological research.