Example sentences of "changes [prep] both " in BNC.

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1 The effects of behavioural activity bring about changes in both the physical and the social environment and a shift in the information provided to the perceptual system .
2 We must , in , be constantly aware that correlation , a systematic relationship between two variables X and Y , does not imply causation ; it may be that a change in a characteristic or variable X causes a change in another variable Y , it might be that a change in Y causes a change in X , it might be that they both affect each other , or it might be that neither affects the other , but that a change in a further variable , Z , is responsible for the changes in both X and Y.
3 Sensitivities of fitness to changes in both fertility and mortality are related to the probability of reaching the age of gene expression , and are inversely proportional to the generation time .
4 Many of the commentators on the ‘ permissive era ’ , discussed in Chapter one , have suggested that it was a period characterised by radical changes in both behaviour and the rules that govern behaviour .
5 Genetic changes in both host and parasite were responsible for the evolved differences in virulence .
6 The changing international position of the UK economy described in the preceding section reflects changes in both the UK itself and the international economy .
7 Over time , those rules will be altered : in many cases slowly as responses to gradual changes in both the society and the environment that it occupies ; in some cases rapidly , as a reaction to a sudden crisis ; and occasionally as a consequence of contact with other cultures , when changes may be either voluntarily adopted , because the impacted group has observed the benefits from doing something differently , or imposed by powerful external groups .
8 Some theoretical papers suggest that changes in both volatility and volume are caused by the arrival of new ( private ) information , and that there is no causative relationship between volume and volatility .
9 Despite the large increase in the private sector , which has no single administrative body to which all private homes belong , only 12 homes refused to participate in the 1990 census , rendering it most unlikely that the changes in both demography and dependency in any sector are a result of response bias .
10 Past changes in both relative equity and gilt prices have a negative influence on future expectations although interest differentials ( RATE ) are expected to persist for some time .
11 We have introduced the largest debt relief package anywhere at any stage and we have made changes in both domestic and overseas policies which command the wide respect of people throughout the country .
12 The last twenty five years have witnessed national major changes in both the structure of housing tenure and the occupational structure .
13 Since 1987 the Labour party has undergone considerable changes in both policies and organisation .
14 Finally , to discriminate the effect on gall bladder pressure of changes in systemic glood pressure induced by the NO synthase inhibitors , the vasopressor agent phenylephrine ( 10 µg/kg/min , Roig Farma ) was infused intravenously into anaesthetised guinea pigs and changes in both systemic and intralumina gall bladder pressure were measured .
15 Changes in both faecal sulphate reducing activity and sulphate reducing bacteria counts during the sulphate feeding period , however , strongly suggest a relation between the metabolism of these bacteria and the changes in methanogenesis observed in this study .
16 If really significant progress is to be made , in the educational context , however , there must be radical changes at both the structural and pedagogic levels .
17 It is estimated that changes at both Broughton and Filton have already saved £100,000 a year in transport costs .
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