size effect
31Yarkovsky effect — The Yarkovsky effect is a force acting on a rotating body in space caused by the anisotropic emission of thermal photons, which carry momentum. It is usually considered in relation to meteoroids or small asteroids (about 10 cm to 10 km in… …
32Brain size — is one aspect of animal anatomy and evolution. Both overall brain size and the size of substructures have been analysed, and the question of links between size and functioning particularly intelligence has often proved controversial. Brain size… …
33Decline effect — The decline effect may occur when scientific claims receive decreasing support over time. The term was first described by parapsychologist Joseph Banks Rhine in the 1930s to describe the disappearing of extrasensory perception (ESP) of psychic… …
34Nephelauxetic effect — The nephelauxetic effect is a term used in the physical chemistry of transition metals. It refers to a decrease in the Racah interelectronic repulsion parameter, given the symbol B, that occurs when a transition metal free ion forms a complex… …
35Compton effect — Physics. the increase in wavelength of monochromatic, electromagnetic radiation, as a beam of photons or x rays, when it is scattered by particles whose size is small compared to the wavelength of the radiation. Also called Compton Debye effect… …
36birthplace effect — n. The tendency for smaller cities to produce disproportionately more professional athletes than larger cities. Example Citations: A few years a ago, sport scientist Jean Côté and his colleagues discovered a phenomenon they termed the birthplace… …
37Thorpe-Ingold effect — The Thorpe Ingold effect or gem dimethyl effect, or angle compression is an effect observed in organic chemistry where increasing the size of two substituents on a tetrahedral center leads to enhanced reactions between parts of the other two… …
38Ouzo effect — The ouzo effect during the preparation of absinthe. The ouzo effect (also louche effect and spontaneous emulsification) is a phenomenon observed when water is added to ouzo and other anise flavored liqueurs and spirits, such as pastis, raki, arak …
39Poynting-Robertson effect — The Poynting Robertson effect, also known as Poynting Robertson drag, named after John Henry Poynting and Howard Percy Robertson, is a process by which solar radiation causes a dust grain in the solar system to slowly spiral inward. The drag is… …
40Design effect — In statistics, the design effect is an adjustment used in some kinds of studies, such as cluster randomised trials, to allow for the design structure. The adjustment inflates the variance of parameter estimates, and therefore their standard… …
