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  2. Level of measurement - Wikipedia

    en.wikipedia.org/wiki/Level_of_measurement

    Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. [1] Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal, ordinal, interval, and ratio.

  3. List of statistical tests - Wikipedia

    en.wikipedia.org/wiki/List_of_statistical_tests

    Scaling of data: One of the properties of the tests is the scale of the data, which can be interval-based, ordinal or nominal. [3] Nominal scale is also known as categorical. [6] Interval scale is also known as numerical. [6] When categorical data has only two possibilities, it is called binary or dichotomous. [1]

  4. Survey methodology - Wikipedia

    en.wikipedia.org/wiki/Survey_methodology

    Survey methodology is "the study of survey methods". [1] As a field of applied statistics concentrating on human-research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys.

  5. Likert scale - Wikipedia

    en.wikipedia.org/wiki/Likert_scale

    In fact, there may also appear phenomena which even question the ordinal scale level in Likert scales. [21] For example, in a set of items A, B, C rated with a Likert scale circular relations like A > B, B > C and C > A can appear. This violates the axiom of transitivity for the ordinal scale.

  6. Teaching and Learning International Survey - Wikipedia

    en.wikipedia.org/wiki/Teaching_And_Learning...

    The Teaching And Learning International Survey (TALIS) is a worldwide evaluation on the conditions of teaching and learning, performed first in 2008. It is coordinated by the Organisation for Economic Co-operation and Development (OECD), with a view to improving educational policies and outcomes.

  7. Quantitative Descriptive Analysis - Wikipedia

    en.wikipedia.org/wiki/Quantitative_Descriptive...

    Interval scales are used. Relative assessments are more important than absolute assessments. Relative assessments are more important than absolute assessments. Responses are often graphically implemented (n order to avert biases associated with some numbers) and are subsequently transformed to numerical assessments, such as on a scale of 0 - 60 ...

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  9. Rating scale - Wikipedia

    en.wikipedia.org/wiki/Rating_scale

    A rating scale is a set of categories designed to obtain information about a quantitative or a qualitative attribute. In the social sciences, particularly psychology, common examples are the Likert response scale and 0-10 rating scales, where a person selects the number that reflecting the perceived quality of a product.