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Qualitative vs. Quantitative

QUANTITATIVE Hypothesis: All beans are alike. NULL: No beans are different . Method : Count the beans. QUALITATIVE Question: What is a bean? What does it mean to be a bean? Method : Examine “beanness” in the field. Qualitative vs. Quantitative. Variety of qualitative methods.

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Qualitative vs. Quantitative

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  1. QUANTITATIVE Hypothesis: All beans are alike. NULL: No beans are different. Method: Count the beans. QUALITATIVE Question: What is a bean? What does it mean to be a bean? Method: Examine “beanness” in the field. Qualitative vs. Quantitative

  2. Variety of qualitative methods • Case study (of 1 or more individuals) • Ethnography (study of cultural groups) • Phenomenology (individual point of view) • Grounded theory (link data to theory) • Action research • Historical analysis

  3. Distinguishing Characteristics of Quantitative and Qualitative Research

  4. QUANTITATIVE to explain and predict to test, confirm, and validate theory QUALITATIVE to describe and explain to explore and interpret to build theory Purpose

  5. QUANTITATIVE focused deals with known variables uses established guidelines static designs; context-free; objective QUALITATIVE holistic approach unknown variables flexible guidelines “emergent” design; context-bound; subjective Research Process

  6. QUANTITATIVE deductive analysis from general case (“theory”) to specific situations. QUALITATIVE inductive analysis from specific situation to general case. Form of Reasoning

  7. QUANTITATIVE Numerical data Statistics Formal and scientific QUALITATIVE Narrative description Words, quotes Personal voice; literary style Description of findings

  8. Which approach to educational research should you use?

  9. There is an objective reality that can be measured? If so, use Quantitative research. There are multiple, constructed realities that defy easy measurement or categorization? If so, use Qualitative research? Do you believe that...

  10. Confirmatory or predictive in nature? If so, use Quantitative research. Exploratory or interpretive in nature? If so, use Qualitative research. Is your research question...

  11. Relatively large? If so, use Quantitative research. Limited or non-existent? If so, use Qualitative research. Is the available research literature...

  12. Statistics and deductive reasoning, and able to write in a technical and scientific style? If so, use Quantitative research. Inductive reasoning, attentiveness to detail, and able to write in a more literary, narrative style? If so, use Qualitative research. Do you have skills in...

  13. Choosing the “right” method Different research methods are appropriate for different research questions. No single approach is best for all the questions that can be asked regarding any particular behavioral phenomenon.

  14. “What leads some students to be more successful readers than other students?” • “Can I predict who is likely to have reading difficulties?” (Correlation/regression) • “What is the best method of teaching reading?” (Experiment) • “What are the norms for a population for the development of reading skill?” (Descriptive) • “What are the conditions of reading instruction and learning in today’s classrooms?” (Qualitative)

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