Key Research Methodologies to Know for AP Research

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Research methods are essential for gathering and analyzing data in AP Research. They include quantitative approaches for numerical insights, qualitative methods for understanding experiences, and mixed methods that combine both to tackle complex questions effectively.

  1. Quantitative research methods

    • Focus on numerical data and statistical analysis to draw conclusions.
    • Often involves large sample sizes to ensure generalizability.
    • Utilizes structured tools like surveys and experiments to collect data.
  2. Qualitative research methods

    • Emphasizes understanding human behavior and experiences through non-numerical data.
    • Involves methods such as interviews, focus groups, and observations.
    • Data is often analyzed thematically to identify patterns and insights.
  3. Mixed methods research

    • Combines both quantitative and qualitative approaches to provide a comprehensive understanding.
    • Allows for triangulation of data, enhancing the validity of findings.
    • Can address complex research questions that require multiple perspectives.
  4. Experimental design

    • Involves manipulating one or more independent variables to observe effects on a dependent variable.
    • Random assignment is often used to control for confounding variables.
    • Aims to establish cause-and-effect relationships.
  5. Survey research

    • Collects data from a predefined group using questionnaires or interviews.
    • Can be conducted online, via phone, or in person to gather diverse responses.
    • Useful for measuring attitudes, opinions, and behaviors across a population.
  6. Case studies

    • In-depth exploration of a single case or a small number of cases within a real-world context.
    • Provides rich, detailed information that can reveal complex dynamics.
    • Often used in exploratory research to generate hypotheses.
  7. Ethnography

    • Involves immersive observation and participation in a community or group to understand their culture.
    • Data is collected through field notes, interviews, and artifacts.
    • Aims to provide a holistic view of social practices and interactions.
  8. Content analysis

    • Systematic examination of communication materials (e.g., texts, media) to identify patterns and themes.
    • Can be quantitative (counting occurrences) or qualitative (interpreting meanings).
    • Useful for analyzing trends over time or comparing different sources.
  9. Literature review

    • Comprehensive survey of existing research related to a specific topic or question.
    • Identifies gaps in knowledge and establishes a theoretical framework for new research.
    • Helps to contextualize findings within the broader academic discourse.
  10. Sampling techniques

    • Methods for selecting individuals or groups from a population for research.
    • Includes probability sampling (random selection) and non-probability sampling (non-random selection).
    • Affects the representativeness and generalizability of research findings.
  11. Data collection methods

    • Techniques used to gather information for research, including surveys, interviews, observations, and experiments.
    • Must be chosen based on the research question and the type of data needed.
    • Quality of data collection directly impacts the validity of research outcomes.
  12. Statistical analysis

    • Involves applying statistical techniques to interpret quantitative data.
    • Helps to identify relationships, differences, and trends within the data.
    • Common methods include descriptive statistics, inferential statistics, and regression analysis.
  13. Ethical considerations in research

    • Involves ensuring the rights and welfare of participants are protected.
    • Requires informed consent, confidentiality, and the right to withdraw from the study.
    • Researchers must also consider the potential impact of their findings on society.
  14. Validity and reliability

    • Validity refers to the accuracy of a measure in capturing what it intends to measure.
    • Reliability refers to the consistency of a measure across different instances.
    • Both are crucial for ensuring the credibility and trustworthiness of research findings.
  15. Research question formulation

    • The process of developing clear, focused, and researchable questions.
    • Should be specific, measurable, and relevant to the field of study.
    • A well-formulated question guides the research design and methodology.


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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.