Podcast
Questions and Answers
What is Quantitative Research?
What is Quantitative Research?
It is an approach that uses statistical, mathematical, or computational methods to find the relationship between one variable to another.
Which of these is a characteristic of the quantitative approach? (Select all that apply)
Which of these is a characteristic of the quantitative approach? (Select all that apply)
- Use of qualitative data
- Researcher uses unstructured interviews
- Clearly defined research question (correct)
- Generalizes concepts widely (correct)
Quantitative research uses qualitative data.
Quantitative research uses qualitative data.
False (B)
What type of sample sizes are used in quantitative research?
What type of sample sizes are used in quantitative research?
What are the two main types of research designs under the quantitative approach?
What are the two main types of research designs under the quantitative approach?
The most common method used for quantitative study is called _____ research.
The most common method used for quantitative study is called _____ research.
Which type of research design establishes causality?
Which type of research design establishes causality?
What does correlational research aim to determine?
What does correlational research aim to determine?
Comparative research in quantitative studies implies causation.
Comparative research in quantitative studies implies causation.
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Study Notes
Quantitative Research Overview
- Employs statistical, mathematical, or computational methods to analyze data.
- Data expressed in numerical forms, emphasizing objectivity.
- Aims to explore relationships between different variables.
Characteristics of Quantitative Approach
- Research questions are clearly defined to ensure focus.
- Facilitates generalization of concepts, prediction of future outcomes, and investigation of causal relationships.
- Utilizes structured research instruments, such as questionnaires, for data collection.
- Both large sample sizes and representative populations enhance the reliability of results.
- Data is presented in various non-textual forms, including tables, charts, and figures.
- High reliability allows for replicability of studies.
Types of Quantitative Research Designs
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Non-Experimental Research: Establishes associations between variables without manipulation.
- Survey Research: Most common method, utilizing questionnaires and interviews.
- Correlational Research: Assesses relationships between two variables, indicating correlation but not causation.
- Comparative Research: Compares groups based on descriptive data to identify differences.
-
Experimental Research: Involves manipulation of variables to establish causality.
- True Experimental: Random assignment to conditions, allowing for causal inferences.
- Quasi-Experimental: Lacks random assignment, often used in real-world settings.
Summary of Key Differences
- Non-experimental research focuses on associations without intervention, while experimental research requires manipulation of variables for causal relationships.
- Non-experimental methods can suggest relationships; however, they cannot prove cause and effect.
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