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  2. 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.

  3. Likert scale - Wikipedia

    en.wikipedia.org/wiki/Likert_scale

    Research by Labovitz [22] and Traylor [23] provide evidence that, even with rather large distortions of perceived distances between scale points, Likert-type items perform closely to scales that are perceived as equal intervals. So these items and other equal-appearing scales in questionnaires are robust to violations of the equal distance ...

  4. Level of measurement - Wikipedia

    en.wikipedia.org/wiki/Level_of_measurement

    The ordinal scale places events in order, but there is no attempt to make the intervals of the scale equal in terms of some rule. Rank orders represent ordinal scales and are frequently used in research relating to qualitative phenomena. A student's rank in his graduation class involves the use of an ordinal scale.

  5. Qualitative research - Wikipedia

    en.wikipedia.org/wiki/Qualitative_research

    Qualitative research is a type of research that aims to gather and analyse non-numerical (descriptive) data in order to gain an understanding of individuals' social reality, including understanding their attitudes, beliefs, and motivation.

  6. Scale (social sciences) - Wikipedia

    en.wikipedia.org/wiki/Scale_(social_sciences)

    Examples are attitude scales and opinion scales. Some data are measured at the ratio level. Numbers indicate magnitude of difference and there is a fixed zero point. Ratios can be calculated. Examples include: age, income, price, costs, sales revenue, sales volume, and market share.

  7. Level of analysis - Wikipedia

    en.wikipedia.org/wiki/Level_of_analysis

    Level of analysis is used in the social sciences to point to the location, size, or scale of a research target. It is distinct from unit of observation in that the former refers to a more or less integrated set of relationships while the latter refers to the distinct unit from which data have been or will be gathered.

  8. Holistic grading - Wikipedia

    en.wikipedia.org/wiki/Holistic_grading

    Pooled-rater scoring typically uses three to five independent readers for each sample of writing. Although the scorers work from a common scale of rates, and may have a set of sample papers illustrating that scale ("anchor papers" [20]), usually they have had a minimum of training together. Their scores are simply summed or averaged for the ...

  9. Behaviorally anchored rating scales - Wikipedia

    en.wikipedia.org/wiki/Behaviorally_anchored...

    Behaviorally anchored rating scales (BARS) are scales used to rate performance.BARS are normally presented vertically with scale points ranging from five to nine. It is an appraisal method that aims to combine the benefits of narratives, critical incidents, and quantified ratings by anchoring a quantified scale with specific narrative examples of good, moderate, and poor performance.