In a parliamentary republic, a often serves as both head of state and head of government

Erikson's theory of personality grants more power to the than freud had allowed.

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress.risks are specific to time, situation, and culture.there are never any risks.if a study offers potential benefits, it is not necessary to minimize risks.

When were criminals first used to create a system to catch other criminals