Sentences with phrase «significant changes in the frequency»

Households react strongly to the incentives created by such programs, leading to significant changes in the frequency of exercising alternative public schooling options, as well as changes in the composition of the «opt out» students.

Not exact matches

Many factors could cause BlackBerry's actual results, performance or achievements to differ materially from those expressed or implied by the forward - looking statements, including, without limitation: BlackBerry's ability to enhance its current products and services, or develop new products and services in a timely manner or at competitive prices, including risks related to new product introductions; risks related to BlackBerry's ability to mitigate the impact of the anticipated decline in BlackBerry's infrastructure access fees on its consolidated revenue by developing an integrated services and software offering; intense competition, rapid change and significant strategic alliances within BlackBerry's industry; BlackBerry's reliance on carrier partners and distributors; risks associated with BlackBerry's foreign operations, including risks related to recent political and economic developments in Venezuela and the impact of foreign currency restrictions; risks relating to network disruptions and other business interruptions, including costs, potential liabilities, lost revenues and reputational damage associated with service interruptions; risks related to BlackBerry's ability to implement and to realize the anticipated benefits of its CORE program; BlackBerry's ability to maintain or increase its cash balance; security risks; BlackBerry's ability to attract and retain key personnel; risks related to intellectual property rights; BlackBerry's ability to expand and manage BlackBerry ® World ™; risks related to the collection, storage, transmission, use and disclosure of confidential and personal information; BlackBerry's ability to manage inventory and asset risk; BlackBerry's reliance on suppliers of functional components for its products and risks relating to its supply chain; BlackBerry's ability to obtain rights to use software or components supplied by third parties; BlackBerry's ability to successfully maintain and enhance its brand; risks related to government regulations, including regulations relating to encryption technology; BlackBerry's ability to continue to adapt to recent board and management changes and headcount reductions; reliance on strategic alliances with third - party network infrastructure developers, software platform vendors and service platform vendors; BlackBerry's reliance on third - party manufacturers; potential defects and vulnerabilities in BlackBerry's products; risks related to litigation, including litigation claims arising from BlackBerry's practice of providing forward - looking guidance; potential charges relating to the impairment of intangible assets recorded on BlackBerry's balance sheet; risks as a result of actions of activist shareholders; government regulation of wireless spectrum and radio frequencies; risks related to economic and geopolitical conditions; risks associated with acquisitions; foreign exchange risks; and difficulties in forecasting BlackBerry's financial results given the rapid technological changes, evolving industry standards, intense competition and short product life cycles that characterize the wireless communications industry.
This drastic change has taken place in a decade in which there was no decline in belief in God or belief in life after death or the inspiration of the Bible or in church attendance, and a statistically significant increase in the frequency of prayer.
For first - time mothers especially, any changes in the frequency or quality of movement can be a source of significant stress.
Tracking changes in Arctic cyclone activity through time, Vavrus calculated a statistically significant, though minor, increase in extreme Arctic cyclone frequency over the study period, with increases strongest near the Aleutian Islands and Iceland.
For example, when examining hurricanes and typhoons, the lack of a high - quality, long - term historical record, uncertainty regarding the impact of climate change on storm frequency and inability to accurately simulate these storms in most global climate models raises significant challenges when attributing assessing the impact of climate change on any single storm.
For the acetazolamide group (n = 187), compared with the placebo group (n = 193), no significant between - group differences were found for median duration of mechanical ventilation -LRB--16.0 hours), duration of weaning off mechanical ventilation -LRB--0.9 hours), or for other respiratory parameter - values (respiratory frequency, tidal volume, and minute ventilation), although daily changes of serum bicarbonate and number of days with metabolic alkalosis decreased significantly more in the acetazolamide group.
His earlier research showed limited evidence of significant changes in the magnitude of floods, but strong evidence pointing toward an increasing frequency of flooding.
Flood layer frequency in the Ammersee sediment record depicts distinct multi-decadal variations and significant correlations to a total solar irradiance reconstruction (r = − 0.4, p < 0.0001) and 14C production rates (r = 0.37, p < 0.0001), reflecting changes in solar activity.
Flow cytometry revealed no significant changes in NK cells and CD8 + T cell frequencies in the spleens of the treated mice, suggesting that activation of existing cells was responsible for killing the HIV - LucR - infected cells.
The results also showed no significant change in angina severity score or physical limitation and no significant change in angina frequency from baseline versus sham.
After controlling for age and baseline depression scores, the yoga group showed a significant increase in high frequency HRV and decreases in low frequency HRV unlike the control group that showed little change.
If you notice any significant changes in your period, particularly regarding length of cycle, degree of bleeding, or frequency of cycle, you should contact your physician for a comprehensive thyroid work up.
(Photons also tend to conserve their wavelength, except as changes are required to conserve frequency while propagating through variations in the index of refraction n. Often we speak of photons as if their wavelengths are unchanging — this is approximately true for radiation flowing though the atmosphere because n is very very close to 1, but in case the issue becomes significant, often when I've refered to the wavelength of radiation, I've been refering to the wavelength that a photon would have in a vacuum.)
«Some of the world's largest population centers, like India and China, happen to also be places that we see significant changes in terms of the increasing frequencies [of stagnant air days],» Horton said.
Given projected increases in the frequency and intensity of extreme precipitation events in the Midwest (Chapter 2: Our Changing Climate, Key Message 6), 57 it appears that sewer overflow will continue to constitute a significant current health threat and a critical source of climate change vulnerability for major urban areas within the Midwest.
Scientists agree that even a small increases in the global temperature lead to significant climate and weather changes, affecting cloud cover, precipitation, wind patterns, the frequency and severity of storms, and the timing of seasons.
Although lower frequency sampling will mask any earlier changes, significant data changes obviously occurred in the years after 1900 where the blade arose.
Energy storage companies «have suffered significant and detrimental harm» from changes to rules governing the frequency regulation market in US regional transmission organisation (RTO) PJM Interconnection's service area, the Energy Storage Association has said.
Trends in the peak magnitude, frequency, duration and volume of frequent floods (floods occurring at an average of two events per year relative to a base period) across the United States show large changes; however, few trends are found to be statistically significant.
«The authors write that North Pacific Decadal Variability (NPDV) «is a key component in predictability studies of both regional and global climate change,»... they emphasize that given the links between both the PDO and the NPGO with global climate, the accurate characterization and the degree of predictability of these two modes in coupled climate models is an important «open question in climate dynamics» that needs to be addressed... report that model - derived «temporal and spatial statistics of the North Pacific Ocean modes exhibit significant discrepancies from observations in their twentieth - century climate... conclude that «for implications on future climate change, the coupled climate models show no consensus on projected future changes in frequency of either the first or second leading pattern of North Pacific SST anomalies,» and they say that «the lack of a consensus in changes in either mode also affects confidence in projected changes in the overlying atmospheric circulation.»»
The paper also shows that there has been no significant change since 1900 in hurricanes that land in the United States for frequency or intensity.
The Intergovernmental Panel on Climate Change reported in its most recent scientific assessment that «[n] o robust trends in annual numbers of tropical storms, hurricanes, and major hurricanes... have been identified over the past 100 years in the North Atlantic basin,» and that there are «no significant observed trends in global tropical cyclone frequency
We present evidence that this commonly used methodology can lead to artifacts and misleading results if significant changes in the wet - day frequency are not accounted for.
Rising levels of carbon dioxide in Earth's atmosphere will cause significant changes to ocean temperatures and chemistry over the next 100 years, thereby increasing the frequency and severity of mass bleaching and other stresses on coral reefs and reef systems, scientists say.
Climate change may cause significant shifts in current weather patterns and increase the severity and possibly the frequency of major storms (NRC 2002).
The Zurich - based firm, in an examination of the consequences of globalization of class actions on insurers, said, «We expect, however, that climate change - related liability will develop more quickly than asbestos - related claims and believe the frequency and sustainability of climate change - related litigation could become a significant issue within the next couple of years...»
«Working with data pertaining to 7450 cardiovascular - related deaths that occurred within Budapest, Hungary, between 1995 and 2004 — where the deceased were «medico - legally autopsied» — Toro et al. looked for potential relationships between daily maximum, minimum and mean temperature, air humidity, air pressure, wind speed, global radiation and daily numbers of the heart - related deaths... scientists report and restate their primary finding numerous times throughout their paper, writing that (1) «both the maximum and the minimum daily temperatures tend to be lower when more death cases occur in a day,» (2) «on the days with four or more death cases, the daily maximum and minimum temperatures tend to be lower than on days without any cardiovascular death events,» (3) «the largest frequency of cardiovascular death cases was detected in cold and cooling weather conditions,» (4) «we found a significant negative relationship between temperature and cardiovascular mortality,» (5) «the analysis of 6 - hour change of air pressure suggests that more acute or chronic vascular death cases occur during increasing air pressure conditions (implying cold weather fronts),» (6) «we found a high frequency of cardiovascular death in cold weather,» (7) «a significant negative relationship was detected between daily maximum [and] minimum temperature [s] and the number of sudden cardiovascular death cases,» and (8) «a significant negative correlation was detected between daily mean temperature and cardiovascular mortality.»
«This uncertainty must be reflected in micro-scale analyses of local and regional water management issues, particularly in «hot spots» that can now be identified by overlaying significant changes in drought frequencies over geographically explicit distributions of water - sensitive sectors and population centres.»
There were no significant changes from immediately after parent training to the 3 - month follow - up, though problem frequency scores for children from low - income families moved from clinical to normal ranges after training and maintained there at the 3 - month follow - up, and problem frequency scores for children from middle - income families were in the normal range at all 3 time periods.
In this case, floor effects would become evident as frequencies approached zero, resulting in significant skew and difficulty detecting change attributable to interventioIn this case, floor effects would become evident as frequencies approached zero, resulting in significant skew and difficulty detecting change attributable to interventioin significant skew and difficulty detecting change attributable to intervention.
Results indicated that treatment produced significant changes in the family interaction patterns with treatment families becoming less silent, talking more equally, and experiencing an increase in both the frequency and duration of simultaneous speech.
a b c d e f g h i j k l m n o p q r s t u v w x y z