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Questions and Answers
What is a notable strength of quantitative research?
Which of the following is considered a weakness of quantitative research?
What can happen if a questionnaire in quantitative research is not prepared properly?
How does quantitative research typically handle the presentation of data?
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What must researchers be cautious of in quantitative research when gathering data?
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Study Notes
Experimental Research Design
- Focuses on establishing causal relationships through high internal validity.
- Requires data collection with manipulation of variables or treatments.
- Typically involves randomly formed groups for comparison.
- Aims to test true cause-and-effect relationships among variables, offering the highest internal validity.
Types of Experimental Designs
- One Group Posttest Only Design: Involves a single intervention followed by a posttest.
- Two-Group Posttest Only Design: Comparison between an experimental group receiving an intervention and a control group without it.
- Pretest-Posttest Design: Measures changes by comparing pretest scores with posttest scores in both experimental and control groups.
Quasi-Experimental Research Design
- Similar to experimental design, but lacks random assignment of participants to conditions.
Introduction to Quantitative Research
- Quantitative research gathers numerical data for generalizations across larger groups.
- Presents findings through structured research instruments focused on objective measures.
Characteristics of Quantitative Research
- Objective: Prioritizes objective data over subjective interpretations.
- Defined Research Questions: Focus on clearly articulated research queries.
- Structured Instruments: Utilizes systematic tools for data collection.
- Numerical Data Presentation: Emphasizes numerical formats for presenting findings.
- Large Sample Sizes: Aims for substantial samples for robust statistical analysis.
- Replicable: Research can be repeated under various conditions for validation.
- Predictive Insights: Data analysis aids in forecasting future outcomes.
- Theory Verification: Validates existing theories and contributes to new concept development.
Strengths of Quantitative Research
- Clarity: Objective numerical data minimizes misinterpretation of results.
- Statistical Analysis: Employs sophisticated techniques for comprehensive data analysis.
- Efficiency: Data is processed relatively quickly, supporting generalizations.
- Replicability: Research findings can be replicated to test across different contexts.
- Convenient Data Collection: Utilizes standardized tools like questionnaires for efficient data gathering.
Weaknesses of Quantitative Research
- High Respondent Requirement: Necessitates large samples for more accurate statistical insights.
- Costly: Large samples lead to increased costs in data collection and tool preparation.
- Limited Contextual Insights: May overlook deeper contextual explanations of results.
- Risk of Invalid Data: Poorly constructed instruments yield invalid results.
- Ethical Considerations: Participants may provide inaccurate answers due to ethical implications.
- Time-Consuming Instrument Validation: Developing and validating research instruments can be lengthy without existing standards.
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Description
This quiz explores the relationship between screen time and student reading skills through various experimental research methods. It delves into the importance of internal validity and the scientific approach in education studies. Test your understanding of these concepts and their implications for student learning.