Approaches to Quantitative Research

Approaches to Quantitative Research

1. Describe 5 approaches to quantitative research

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Approaches to Quantitative Research

1. Descriptive Research
   Descriptive research focuses on identifying and describing the characteristics, behaviors, or phenomena within a specific population or setting. This approach is non-intrusive and does not involve altering the variables being studied. Researchers use tools like surveys, structured observations, and archival data to quantify and present information in numerical terms. For example, a researcher may conduct a study to determine the percentage of students using online learning tools, providing insights into usage trends without attempting to influence behavior. This method is valuable for establishing a foundation for further research.
2. Correlational Research
   Correlational research examines the relationship between two or more variables to identify patterns or associations. Unlike experimental research, it does not manipulate variables or establish causation. Instead, it uses statistical methods to measure the strength and direction of the relationships. For instance, a study exploring the link between exercise frequency and mental health scores might reveal whether an increase in exercise correlates with better mental health. This approach is useful for identifying relationships that can guide future experimental studies.
3. Experimental Research
   Experimental research is a highly controlled method aimed at establishing cause-and-effect relationships. Researchers manipulate one variable (the independent variable) and observe its impact on another variable (the dependent variable), while keeping other factors constant. Random assignment and control groups are critical to ensuring validity. For example, a study testing the effects of a new drug on blood pressure might compare outcomes in a group receiving the drug versus a placebo group. This approach is considered the gold standard for determining causality but requires strict control and ethical considerations. Approaches to Quantitative Research
4. Quasi-Experimental Research
   Quasi-experimental research is similar to experimental research but lacks random assignment, relying instead on pre-existing or naturally occurring groups. This approach is often used when randomization is impractical, unethical, or impossible. For example, a study evaluating a new teaching method might compare student performance