The simulations of normal attention covered two-object costs on selection, global precedence, spatial cueing both within and between objects, and inhibition of return.
These threats to internal validity include: ambiguous temporal precedence, selection, history, maturation, regression, attrition, testing, instrumentation, and additive and interactive threats to internal validity.
Furthermore, population genetic analyses of hybrid zones have revealed a prominent role for assortative mating, conspecific pollen precedence, and selection in determining the ultimate genetic makeup of late-generation hybrid individuals [ 23], with adaptive introgression potentially contributing during the formation of natural hybrid zones [reviewed by [ 8, 27, 28]].
Moore and Purugganan [ 53] describe precedence for positive selection driving the fixation and preservation of at least some duplicate genes in Arabidopsis.
When the emergency squad needs a health supervisor, the department's most experienced employees may take precedence, but this selection of department staff may not strictly depend on the nature of the epidemic.
Survival requirements take precedence over HIV testing.
For the first time the two parts of the empire were truly separate, except for the selection of consuls, in which Valentinian had precedence.
Causal precedence of policy choice.
When synonyms exist, precedence of the ICTV master list determines the selection of virus names that should be included within a taxonomical category.
Otherwise, if the experts clearly recommended a set of (less frequently used) terms, these would take precedence over terms initially chosen by our initial "popularity" selection criteria.
