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.
Peer reviewed and refereed journals. Most scholarly journals are peer reviewed or refereed. This refers to a process in which submitted articles undergo rigorous evaluation by a group of academics or researchers whose knowledge and credentials are similar to those of the author, hence the author's 'peers'.