unobservable
21Underdetermination — (sometimes indeterminacy of data to theory) is a term used in the discussion of theories and their relation to the evidence that is cited to support them. Arguments from underdetermination are used to support epistemic relativism by claiming that …
22Signalling theory — Within evolutionary biology, signalling theory refers to a body of theoretical work examining communication between individuals. The central question is when animals with conflicting interests should be expected to communicate honestly .… …
23Omitted-variable bias — In statistics, omitted variable bias (OVB) occurs when a model is created which incorrectly leaves out one or more important causal factors. The bias is created when the model compensates for the missing factor by over or under estimating one of… …
24Relativity priority dispute — Albert Einstein presented the theories of Special Relativity and General Relativity in groundbreaking publications that either contained no formal references to previous literature, or referred only to a small number of his predecessors for… …
25Roll's critique — is a famous analysis of the validity of the Capital Asset Pricing Model (CAPM). It concerns methods to formally test the statement of the CAPM, the equationE(R i) = R f + eta {im}(E(R m) R f).,This equation relates the asset expected return E(R… …
26physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
27De Broglie–Bohm theory — Quantum mechanics Uncertainty principle …
28MACHO — (m[aum] k[ o]), n. [acronym from Massive Astrophysical Compact Halo Object.] A form of dark matter in distant outer space unobservable except by its gravitational effect, and believed to be at least part of the missing matter which is… …
29Existence — For other uses, see Existence (disambiguation). Philosophy …
30Logical positivism — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… …
