Experimental Psychology assignment (ethical standards and ethical violations in research studies)

In 500 to 700 words detail the ethical standards and ethical violations you observed in research studies like the Tuskegee Syphilis study and The Standford Prison Experiment.
Explain if anything specifically could be changed to make the studies ethical for participants.
Would you be able to replicate this study today? Why or why not?
Prepare this assignment according to the guidelines found in the APA.