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24june2019 paper1 Q2

0. Through which research method, the manipulation of an independent variable and its effect on the dependent variable is examined with reference to a hypothesis under controlled conditions?

  • Option : D
  • Explanation : Ex post facto research is a method in which groups with qualities that already exist are compared on some dependent variable.
    Descriptive research is a research method that describes the characteristics (the 'what') of the population or phenomenon that is being studied rather than the problem (the ''why'') of the research subject.
    Case study, commonly used in social sciences, is a research strategy and an empirical inquiry that investigates a phenomenon within its real-life context.
    Experimental research is a quantitative research conducted with a scientific approach, in which the researcher manipulates one or more (independent) variables under controlled conditions and measures/ examines any change/effect in other (dependent) variables.
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