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Source credibility theory is an established theory that explains how communication's persuasiveness is affected by the perceived credibility of the source of the communication. [4] [6] The credibility of all communication, regardless of format, has been found to be heavily influenced by the perceived credibility of the source of that ...
External validity is the validity of applying the conclusions of a scientific study outside the context of that study. [1] In other words, it is the extent to which the results of a study can generalize or transport to other situations, people, stimuli, and times.
Credibility dates back to Aristotle's theory of Rhetoric.Aristotle defines rhetoric as the ability to see what is possibly persuasive in every situation. He divided the means of persuasion into three categories, namely Ethos (the source's credibility), Pathos (the emotional or motivational appeals), and Logos (the logic used to support a claim), which he believed have the capacity to influence ...
In other words, a claim is ignored or given credibility based on its source rather than the claim itself. The fallacy therefore fails to assess the claim on its merit. The first criterion of a good argument is that the premises must have bearing on the truth or falsity of the claim in question. [2]
Coding reliability [4] [2] approaches have the longest history and are often little different from qualitative content analysis. As the name suggests they prioritise the measurement of coding reliability through the use of structured and fixed code books, the use of multiple coders who work independently to apply the code book to the data, the measurement of inter-rater reliability or inter ...
Definitional retreat – changing the meaning of a word when an objection is raised. [23] Often paired with moving the goalposts (see below), as when an argument is challenged using a common definition of a term in the argument, and the arguer presents a different definition of the term and thereby demands different evidence to debunk the argument.
Lysenko's theory rejected Mendelian inheritance and the concept of the "gene"; it departed from Darwinian evolutionary theory by rejecting natural selection, viewing that concept as being incompatible with Marxist ideology. [46] Biodynamic agriculture – method of organic farming that treats farms as unified and individual organisms.
Popular psychology is an essential ingredient of the self-help industry. [5]According to Fried and Schultis, criteria for a good self-help book include "claims made by the author as to the book's efficacy, the presentation of problem-solving strategies based on scientific evidence and professional experience, the author's credentials and professional experience, and the inclusion of a ...