(a.) Possible, or liable, but not certain, to occur; incidental; casual.
(a.) Dependent on that which is undetermined or unknown; as, the success of his undertaking is contingent upon events which he can not control.
(a.) Dependent for effect on something that may or may not occur; as, a contingent estate.
(n.) An event which may or may not happen; that which is unforeseen, undetermined, or dependent on something future; a contingency.
(n.) That which falls to one in a division or apportionment among a number; a suitable share; proportion; esp., a quota of troops.
Example Sentences:
(1) The interresponse-time reinforcement contingencies inherent in these schedules may actually mask the effects of overall reinforcement rate; thus differences in response rate as a function of reinforcement rate when interresponse-time reinforcement is eliminated may be underestimated.
(2) The effects of learning history were evident on sessions 4 and 5 when the same consequence was contingent upon the performance of all groups.
(3) However, during massed testing, all subjects trained with response contingent CS termination showed an overall extinction influence, which was most pronounced in the medial subgroup, although the laterals showed frequency control as well.
(4) Aggressive responding was maintained by contingent presentation of periods free of point subtractions, i.e., provocations.
(5) The aim in postoperative pain therapy is a time-contingent dosing after careful intravenous titration of the compound in the lower dose range during continuous supervision.
(6) The results indicate that behavior in transition states maintained by reinforcement contingencies in the radial maze is similar to that maintained by extended chained schedules, despite the fact that some of the stimuli controlling behavior in the maze are absent at the moment behavior is emitted.
(7) He said there were a sufficient number of shifts at Heathrow to maintain "a full immigration desk policy" and insisted the contingency planning for security at the Games, which had seen more than 18,000 military personnel called in, meant the government had enough troops in place or in reserve to make up for the G4S staffing fiasco.
(8) The bill is due to become law in the summer and is already forcing the party to make contingency plans including the possible sale of property.
(9) The level of disruption to services will vary widely and depend on the number of staff joining the strike, the mitigating impact of the NHS’s contingency planning and how many patients need acute care, such as A&E care or surgery.
(10) For each subject, reinforcers (money) were contingent upon responses on each of two panels: (1) a matching panel for working matching-to-sample problems, and (2) a sample panel for producing the sample stimulus.
(11) These interventions are effective, however, only as long as the contingencies are in effect.
(12) In contrast, rudiments of internal organs provided their own contingent of endothelial precursors, a process termed vasculogenesis.
(13) In this experiment, reward and punishment contingencies were directly manipulated to produce approach and withdrawal emotional states.
(14) Development of an aorta and pulmonary trunk with tricuspid semilunar valves appears to be contingent on the appearance of separate entwined ventricular ejection streams.
(15) In the present study, subjects with traumatic brain injury (TBI) were given four behavioural measures of executive function, two measures of posterior nonexecutive function, and a Contingent Negative Variation (CNV) task, a proposed electrophysiological index of frontal-lobe functioning.
(16) Using contingency table analysis, we found the following were significantly related to clinical hydrocephalus: increasing age; preexisting hypertension; admission blood pressure measurements; postoperative hypertension; admission CT findings of intraventricular hemorrhage, a diffuse collection of subarachnoid blood, and a thick focal collection of subarachnoid blood; posterior circulation site of aneurysm; focal ischemic deficits; use of antifibrinolytic drugs preoperatively; hyponatremia; admission level of consciousness; and a low score on the Glasgow outcome scale.
(17) Rats were trained to perform shuttle responses to a buzzer in four different situations: pseudoconditioning or D test (buzzers and footshocks presented at random), classical conditioning or DP test (buzzers and footshocks paired on every trial), avoidance without stimulus pairing or DC test (buzzer-shock intervals varied at random, shocks contingent upon non-emission of a shuttle response to the preceding buzzer), and standard two-way avoidance or DPC test (buzzers paired to shocks, but the latter omitted every time there was shuttling to the buzzer).
(18) The results support the assumption of the distraction arousal model used as an interpretation of these effects on contingent negative variation and suggest that high CO absorbing smokers possibly depend more on neuropharmacological effects of smoking than smokers with a low amount of CO absorption.
(19) Single-case methodology was used to evaluate the effectiveness of contingent reinforcement in promoting head posture in an adult brain-injured male.
(20) Experiment II indicated that a severely retarded male would also work at a high work rate under a self-determined reinforcement contingency.
Unknown
Definition:
(a.) Not known; not apprehended.
Example Sentences:
(1) The reference library used in the operation of a computerized search program indicates the closest matches in the reference library data with the IR spectrum of an unknown sample.
(2) The macrophage-derived product, interleukin 1 (IL 1) is thought to play an important regulatory role in the proliferation of T lymphocytes; however, its mechanism of action is unknown.
(3) Second, the unknown is searched against the database to find all materials with the same or similar element types; the results are kept in set 2.
(4) The mechanism by which gp55 causes increased erythroblastosis and ultimately leukaemia is unknown, but a reasonable suggestion is that gp55 can mimic the action of erythropoietin by binding to its receptor (Epo-R), thereby triggering prolonged proliferation of erythroid cells.
(5) It is an intriguing moment: the new culture secretary, Sajid Javid, who was brought in to replace Maria Miller last month, is something of an unknown quantity.
(6) The functions of O-GlcNAc remain largely unknown, but it may be important in blocking phosphorylation sites, it may be required for the assembly of specific multiprotein complexes, it might serve as a nuclear transport signal, or it may be directly involved in the active transport of macromolecules across nuclear pores.
(7) We therefore conclude that widely spaced (and unknown) parts of the protein chain are required for the intersubunit interactions that eventually lead to functional assembly of the receptor.
(8) An atheroma is often associated with saccular aneurysms, but its effect on this pathological process is still unknown.
(9) The ophthalmic headache's crisis is caused, in fact, by a spasm of convergence on an unknown exophory of which the amplitude of fusion is satisfying, and the presence of which can only be seen with test under screen.
(10) The mechanisms responsible for changes in absorption in vitro are unknown.
(11) The pathoanatomy and factors associated with transient mitral regurgitation (MR) induced by myocardial ischemic stress are unknown.
(12) The evaluation of the data of unknown test persons of a pilot study in 96% resulted in a correct classification in patients with heart and circulatory diseases or persons with healthy heart and circulation, the classification in the above mentioned groups of diagnosis was performed on an average to 57%.
(13) Silicon, a relatively unknown trace element in nutritional research, has been uniquely localized in active calcification sites in young bone.
(14) Several pedigrees have been reported in which defects of the insulin gene result in glucose intolerance or diabetes in affected members, but the role of insulin gene mutations in NIDDM is unknown.
(15) Federal endorsement of the HMO concept has resulted in broad understanding of a number of concepts unknown in fee-for-service medicine.
(16) Paul Doyle Kick-off Sunday midday Venue St Mary’s Stadium Last season Southampton 2 Leicester City 2 Live Sky Sports 1 Referee Michael Oliver This season G 18, Y 60, R 1, 3.44 cards per game Odds H 5-6 A 4-1 D 5-2 Southampton Subs from Taylor, Martina, Stephens, Davis, Rodriguez, Sims, Ward-Prowse Doubtful Bertrand, Davis, Van Dijk (all match fitness) Injured Boufal (knee, Jan), Hesketh (ankle, Feb), Targett (hamstring, Feb), Austin (shoulder, Mar), Pied (knee, Jun), Gardos (knee, unknown) Suspended None Form DWLLLL Discipline Y37 R2 Leading scorer Austin 6 Leicester City Subs from Zieler, Hamer, Wasilewski, Gray, Fuchs, James, Okazaki, Hernández, Kapustka, King Doubtful None Injured None Suspended None Unavailable Amartey, Mahrez, Slimani (Africa Cup of Nations) Form LDLWDL Discipline Y44 R1 Leading scorers Slimani, Vardy 5
(17) Sarcoidosis is a disease of unknown etiology with protean manifestations.
(18) Their incidence cannot be estimated--only the possibility of recoverable renal function in an unknown number of involved patients.
(19) The results indicate that the effect of EGF on the growth of cancer cells is very complicated and may involve an unknown regulatory mechanism of cancer cell growth.
(20) In 1968, nearly 60% of the malignant ovarian tumors were treated by doctors in internal medicine, surgery and radiology etc., rather than gynecology, which was partly because the primary site of the cancer was unknown during the clinical course and partly because the gynecologist gave up treatment of patients in advanced cases.