This is how some social scientists feel when they observe cultures and social groups that are different from their own. In choosing between direct observation, participant observation, immersion, or any form of field research in between, the choice ultimately comes down to the research situation. Different situations require different roles for the researcher.
The best-known power of the Supreme Court is judicial review, or the ability of the Court to declare a Legislative or Executive act in violation of the Constitution, is not found within the text of the Constitution itself. The Court established this doctrine in the case of Marbury v. Madison (1803).
Interestingly, the power of judicial review is not explicitly named in the Constitution; the Supreme Court itself declared that it had the power of judicial review for the first time in the 1803 case of Marbury v. Madison. The authority of the courts to rule on the constitutionality of legislative actions.