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Likert scale data can, in principle, be used as a basis for obtaining interval level estimates on a continuum by applying the polytomous Rasch model, when data can be obtained that fit this model. In addition, the polytomous Rasch model permits testing of the hypothesis that the statements reflect increasing levels of an attitude or trait, as ...
The 2000 version of the AQ consists of 34 items measuring five factors: physical aggression, verbal aggression, anger, hostility, and indirect aggression. It uses a 5-point Likert scale, just like the 1992 version, though the description of the response scales are changed into "not at all like me" and "completely like me". [3]
The Interpersonal Reactivity Index (IRI) is a published measurement tool for the multi-dimensional assessment of empathy. It was developed by Mark H. Davis, a professor of psychology at Eckerd College. [1] The paper describing IRI, published in 1983, [1] has been cited over 10,000 times, according to Google Scholar. [2]
The following types of reliability and validity should be established for a multi-item scale: internal reliability, test-retest reliability (if the variable is expected to be stable over time), content validity, construct validity, and criterion validity. Factor analysis is used in the scale development process.
Likert scale – Respondents are asked to indicate the amount of agreement or disagreement (from strongly agree to strongly disagree) on a five- to nine-point response scale (not to be confused with a Likert scale). The same format is used for multiple questions. It is the combination of these questions that forms the Likert scale.
The item-total correlation approach is a way of identifying a group of questions whose responses can be combined into a single measure or scale. This is a simple approach that works by ensuring that, when considered across a whole population, responses to the questions in the group tend to vary together and, in particular, that responses to no individual question are poorly related to an ...
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.
Participants respond according to a five-point Likert scale ranging from (1=very much unlike me, 5=very much like me). [5] Sample items include “I find the world a very interesting place”, which gauges curiosity, and “I always let bygone be bygones”, which gauges forgiveness.