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  2. Quantitative research - Wikipedia

    en.wikipedia.org/wiki/Quantitative_research

    Quantitative methods are an integral component of the five angles of analysis fostered by the data percolation methodology, [10] which also includes qualitative methods, reviews of the literature (including scholarly), interviews with experts and computer simulation, and which forms an extension of data triangulation. Quantitative methods have ...

  3. Experimental data - Wikipedia

    en.wikipedia.org/wiki/Experimental_data

    Experimental data in science and engineering is data produced by a measurement, test method, experimental design or quasi-experimental design. In clinical research any data produced are the result of a clinical trial. Experimental data may be qualitative or quantitative, each being appropriate for different investigations.

  4. Variable and attribute (research) - Wikipedia

    en.wikipedia.org/wiki/Variable_and_attribute...

    For example see: Binary option) While an attribute is often intuitive, the variable is the operationalized way in which the attribute is represented for further data processing. In data processing data are often represented by a combination of items (objects organized in rows), and multiple variables (organized in columns).

  5. Qualitative research - Wikipedia

    en.wikipedia.org/wiki/Qualitative_research

    A criticism of quantitative coding approaches is that such coding sorts qualitative data into predefined categories that are reflective of the categories found in objective science. The variety, richness, and individual characteristics of the qualitative data are reduced or, even, lost. [citation needed]

  6. Categorical variable - Wikipedia

    en.wikipedia.org/wiki/Categorical_variable

    Categorical data is the statistical data type consisting of categorical variables or of data that has been converted into that form, for example as grouped data. More specifically, categorical data may derive from observations made of qualitative data that are summarised as counts or cross tabulations , or from observations of quantitative data ...

  7. Qualitative property - Wikipedia

    en.wikipedia.org/wiki/Qualitative_property

    Human factors, human work capital is important issue that deals with qualitative properties. Some common aspects are work, motivation, general participation, etc. Although all of these aspects are not measurable in terms of quantitative criteria, the general overview of them could be summarized as a quantitative property.

  8. Data-driven instruction - Wikipedia

    en.wikipedia.org/wiki/Data-driven_instruction

    Examples of quantitative data include test scores, results on a quiz, and levels of performance on a periodic assessment. [5] Examples of qualitative data include field notes, student work/artifacts, interviews, focus groups, digital pictures, video, reflective journals. [6] Quantitative and qualitative data is generally captured through two ...

  9. Empirical research - Wikipedia

    en.wikipedia.org/wiki/Empirical_research

    Quantifying the evidence or making sense of it in qualitative form, a researcher can answer empirical questions, which should be clearly defined and answerable with the evidence collected (usually called data). Research design varies by field and by the question being investigated.