(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.
Haphazard
Definition:
(n.) Extra hazard; chance; accident; random.
Example Sentences:
(1) Poorly-differentiated tissue produced a more haphazard out-growth of pleomorphic cells with few processes and flattened pseudopodia.
(2) Ultrastructurally, however, this material is composed of nonbranching, haphazardly arranged fibrils of approximately three times the thickness of typical amyloid fibrils.
(3) For example, it is not known with any certainty whether the oscillations seen in fetal heart rate are highly organised, in reflection of underlying ultradian rhythms, or whether they are entirely random and haphazard.
(4) A review of 15 well-documented cases of proliferative periostitis reported in the literature and a description of six new cases, five fully documented, have shown the following: a variety of irritants both odontogenic and nondontogenic in origin may induce neoperiostosis in the mandible; radiographically, cortical redundancy and preservation of the original cortical outline are the most common findings; and microsocopically, a fibro-osseous pattern evincing one of the three trabecular orientations--parallel, retiform, or haphazard fibrous dysplasia-like--is featured.
(5) For many years directors of Canadian postgraduate specialty programs have selected candidates in an uncontrolled and haphazard way.
(6) Soon, reformers known as “sanitarians” focused their attention on replacing the haphazard and unsanitary plumbing arrangements in homes and workplaces with technologically advanced public sewer systems.
(7) We postulate that an embryonic rest was incorporated into the spinal canal and, when removed from its normal inducer tissue, grew haphazardly throughout the spinal cord.
(8) The single striking morphologic abnormality was the disorganized, haphazard architecture of the media in these areas.
(9) Canvasses from the UNHCR and Unicef, the children's agency, are piled haphazardly on to structures made out of wood with wicker roofs, sacking and animal skin.
(10) It is concluded that the haphazard and incomplete visualization of the uterine contents at present precludes the application of second-trimester fetoscopy for early detection of visible congenital fetal abnormalities.
(11) Some Tory ministers take the view that driving down the total cost of government and getting rid of bodies is enough – why care if the cuts are haphazard and disorganisation results?
(12) By having all second-year residents together, faculty teaching time was efficiently used, and the haphazard results from relying on faculty-resident precepting experiences in the family practice center to provide training in these areas was avoided.
(13) Pigment cell contributions exhibit no consistent pattern among the four macromeres, and are haphazardly distributed throughout the ectoderm.
(14) These data indicate that the occurrence of MLRs in children is not haphazard, and that the MLR in children can be reliably obtained during certain states of arousal.
(15) The inquest was left with an increasing impression of organisational haphazardness – even chaos – with different agencies meeting regularly but failing to share information or establish basic facts.
(16) The car glides through rolling hills; the camera shows the expression on the boy's face turning from delight to terror; the vehicle veers haphazardly to the side of the road and Théophile is seen leaping out, running to the nearest house for help.
(17) Changes of mechanical activity and coronary blood flow induced by haphazard uncorrelated sequence of stimuli, were studied in the dog heart.
(18) Early lesions of KS were characterized by the presence of dilated vascular spaces haphazardly arranged in the biopsy specimen, a sparse inflammatory cell infiltrate composed of lymphocytes (usually without plasma cells), and aggregates of cuboidal cells with the appearance of epithelioid cells.
(19) Johnson said it was time to stop "making do" and haphazardly expanding existing airports, adding: "We must ensure that the final outcome is not one that future generations will regret."
(20) These results suggest that the ECH in celiac disease is not a haphazard process but, instead, a selective proliferation of certain endocrine cell types.