Search results
Results from the WOW.Com Content Network
Learn about the four levels of measurement proposed by psychologist Stanley Smith Stevens: nominal, ordinal, interval, and ratio. Compare the characteristics, examples, and operations of each level and their applications in different disciplines.
A Likert scale is a psychometric scale used in research questionnaires to measure respondents' level of agreement or disagreement on a statement. Learn about the history, composition, scoring and analysis of Likert scales, and see examples of different types and formats.
Ordinal data are categorical variables with natural, ordered categories and unknown distances between them. Learn how to identify, measure, and analyse ordinal data with examples, methods, and models.
Measurement is the quantification of attributes of an object or event, which can be used to compare with other objects or events. Learn about the history, methodology and standards of measurement, as well as the International System of Units (SI) and other systems of measurement.
For example, a scaling technique might involve estimating individuals' levels of extraversion, or the perceived quality of products. Certain methods of scaling permit estimation of magnitudes on a continuum, while other methods provide only for relative ordering of the entities. The level of measurement is the type of data that is measured.
A standard is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity. Learn about the three levels of standards in metrology: primary, secondary, and working, and how they are related to the International System of Units (SI).
The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
A rating scale is a set of categories to measure a quantitative or qualitative attribute. Learn about different types of rating scales, such as Likert, verbal, visual, and graphical, and their applications in social sciences and online platforms.