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A source is assessed for reliability based on a technical assessment of its capability, or in the case of Human Intelligence sources their history. Notation uses Alpha coding, A-F: Reliability of Source [2] A - Completely reliable: No doubt of authenticity, trustworthiness, or competency; has a history of complete reliability
The source reliability is rated between A (history of complete reliability) to E (history of invalid information), with F for source without sufficient history to establish reliability level. The information content is rated between 1 (confirmed) to 5 (improbable), with 6 for information whose reliability can not be evaluated.
The following presents a non-exhaustive list of sources whose reliability and use on Wikipedia are frequently discussed. This list summarizes prior consensus and consolidates links to the most in-depth and recent discussions from the reliable sources noticeboard and elsewhere on Wikipedia.
Krippendorff's alpha coefficient, [1] named after academic Klaus Krippendorff, is a statistical measure of the agreement achieved when coding a set of units of analysis.. Since the 1970s, alpha has been used in content analysis where textual units are categorized by trained readers, in counseling and survey research where experts code open-ended interview data into analyzable terms, in ...
Alpha Alpha Alpha's emblem is an organizational pin. [ 4 ] [ 14 ] The pin features Tri-Alpha's logo, which includes a star in the center of several circles. [ 15 ] The star symbolizes the inductees, who are "beacons of light for others to follow". [ 15 ]
Mace contends that Alpha Genesis has a history of violating federal laws and policies and questions the effectiveness of the USDA's and NIH's oversight and use of tens of millions of taxpayer dollars.
Member checking can be done during the interview process, at the conclusion of the study, or both to increase the credibility and validity (statistics) of a qualitative study. The interviewer should strive to build rapport with the interviewee in order to obtain honest and open responses. During an interview, the researcher will restate or ...
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.