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Questions and Answers
Which of the following is the best description of a 'variable' in scientific research?
Which of the following is the best description of a 'variable' in scientific research?
- A characteristic or attribute of the participant that is likely to vary from one participant to another (correct)
- A numerical value used as the basis for calculation and reasoning
- A theoretical model defining quantities such as mean and standard deviation
- A constant value that does not change throughout the research
What is the primary function of data in scientific research?
What is the primary function of data in scientific research?
- To provide a basis for calculation, reasoning, and planning (correct)
- To define theoretical models and parameters
- To serve as a constant value throughout the research
- To represent the mean and standard deviation
In the context of scientific research, what does 'participant' refer to?
In the context of scientific research, what does 'participant' refer to?
- A patient or subject participating in the research (correct)
- The mean and standard deviation of the research data
- The department of Public Health and Community Medicine
- The official email contact for the instructor
What is the role of parameters in scientific research?
What is the role of parameters in scientific research?
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Which of the following best describes the concept of 'parameter' in scientific research?
Which of the following best describes the concept of 'parameter' in scientific research?
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Study Notes
Variables in Scientific Research
- A variable is a factor or characteristic that can be manipulated, measured, or observed in a scientific experiment.
Data in Scientific Research
- The primary function of data in scientific research is to provide a basis for drawing conclusions, making inferences, and supporting hypotheses.
Participants in Scientific Research
- In the context of scientific research, a participant refers to an individual or case that provides data for a study, often through direct observation, surveys, or experiments.
Parameters in Scientific Research
- Parameters are numerical values that describe a population, such as mean, proportion, or standard deviation, which are used to make inferences about the population based on sample data.
- The role of parameters in scientific research is to provide a point of reference for making inferences and generalizations about a larger population based on a sample of data.
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