Ethnicity involves more than race.

Variation.

A race may possess several ethnicities. For example, African blacks (a human race) have different ethnical tribes, with a different belief system and a very diverse cultural wealth, sometimes within the same country.

This means that race is a concept that obeys parameters to define different populations of the same biological species. Ethnicities are different associations belonging to the same race.

- "ethical issues. deception – the participants actually believed they were shocking a real person and were unaware the learner was a confederate of milgram's. however, milgram argued that “illusion is used when necessary in order to set the stage for the revelation of certain difficult-to-get-at-truths.” "

- "milgram's work was conducted in the early 1960s before the current.the studies ignited a debate about the ethical treatment of participants. what appear to be dangerous, if not deadly, electric shocks and the by today's ethical standards, many questions about the research have gone unanswered."

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