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The name of this formula stems from the fact that is the twentieth formula discussed in Kuder and Richardson's seminal paper on test reliability. [ 1 ] It is a special case of Cronbach's α , computed for dichotomous scores.
In qualitative research, a member check, also known as informant feedback or respondent validation, is a technique used by researchers to help improve the accuracy, credibility, validity, and transferability (also known as applicability, internal validity, [1] or fittingness) of a study. [2] There are many subcategories of members checks ...
Cronbach's alpha (Cronbach's ), also known as tau-equivalent reliability ( ) or coefficient alpha (coefficient ), is a reliability coefficient and a measure of the internal consistency of tests and measures. [1][2][3] It was named after the American psychologist Lee Cronbach. Numerous studies warn against using Cronbach's alpha unconditionally.
Trust is the belief that another person will do what is expected. It brings with it a willingness for one party (the trustor) to become vulnerable to another party (the trustee), on the presumption that the trustee will act in ways that benefit the trustor. [1][2][3] In addition, the trustor does not have control over the actions of the trustee ...
Internal validity. Internal validity is the extent to which a piece of evidence supports a claim about cause and effect, within the context of a particular study. It is one of the most important properties of scientific studies and is an important concept in reasoning about evidence more generally. Internal validity is determined by how well a ...
The Social Support Questionnaire (SSQ) is a quantitative, psychometrically sound survey questionnaire intended to measure social support and satisfaction with said social support from the perspective of the interviewee. [1][2] Degree of social support has been shown to influence the onset and course of certain psychiatric disorders such as ...
Social exchange theory is a sociological and psychological theory that studies the social behavior in the interaction of two parties that implement a cost-benefit analysis to determine risks and benefits. The theory also involves economic relationships—the cost-benefit analysis occurs when each party has goods that the other parties value. [ 1 ]
In psychology and sociology, internalization involves the integration of attitudes, values, standards and the opinions of others into one's own identity or sense of self. In psychoanalytic theory, internalization is a process involving the formation of the super ego. [6] Many theorists believe that the internalized values of behavior ...