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.
How do you know if a journal is peer reviewed? Some databases will let you check a box to limit to peer reviewed articles. You can also look at the journal's website which will explain the editorial process including whether or not the journal is peer reviewed. Scholarly articles are published in scholarly journals. Most of these journals are discipline specific.