RESEARCH DESIGN
NEED FOR RESEARCH DESIGN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To test the impact of a treatment (or an intervention) on an outcome, controlling for all other factors that might influence that come.
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Provides a quantitative or numeric description of trends, attitudes, or opinions of a population by studying a sample of that population.
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Investigators identify a sample and generalize to a population.
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None of the above
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Detailed explanation-1: -a quantitative or numeric description of trends, attitudes, or opinions of a population by studying a sample of that population. A quantitative design in which groups are chosen by the researcher based on the chosen independent variable. Group membership is randomly assigned.
Detailed explanation-2: -Survey Research is a quantitative research method used for collecting data from a set of panel or respondents.
Detailed explanation-3: -Survey research can use quantitative research strategies (e.g., using questionnaires with numerically rated items), qualitative research strategies (e.g., using open-ended questions), or both strategies (i.e., mixed methods).
Detailed explanation-4: -A survey design provides a description of a population while studying a sample of the population. An experimental design manipulates one or more variables to evaluate the effects of the manipulation. In an experimental design, Differentiate between internal and external threats to validity in an experimental design.