identifier-a symbol that establishes the identity of the one bearing it. variable-a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity.. (Psychoanalysis) psychoanal the end product, in the form of an object or act, of a conflict in the unconscious between repression processes and the actions and thoughts being repressed: the symbols of dreams. 5. (Psychology) psychol any mental process that represents some feature of external reality.
By my definition, out of 13,950 peer-reviewed articles published on global warming since 1991, only 23, or 0.16 percent, clearly reject global warming or endorse a cause other than CO2 emissions for observed warming.
What is the peer-review system? Peer-review, or refereeing, is a process that permits the selection of scientific articles to be published in high-standard journals. During this process, the article is sent to reviewers, also called referees, who are expert scientists in the research field treated in the article. The reviewers receive the work, read it and evaluate it.