Example sentences of "research [verb] shown that [adj] [noun] " in BNC.

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1 Q27 Research has shown that industrial buyers are reluctant to change from an existing regular supplier even if the new supplier can offer a price reduction .
2 Research has shown that each year , only one smoker in 100 is able to kick the habit without some kind of help .
3 Such research has shown that one group of these creatures had a brain very like that of the living lamprey .
4 This research has shown that certain misconceptions commonly arise which can be very persistent , yet go unnoticed .
5 Furthermore , research has shown that antitank helicopters are already very cost-effective ; one helicopter should , in battle , be able to destroy 17 times its value in tanks before being shot down .
6 Recent research has shown that well-informed mothers who have been able to take responsibility for decisions in pregnancy and labour feel happier after the event , even when their plans did n't work out as they had expected them to .
7 Research has shown that good oxygenation makes it less likely that any rogue cells will survive to form a life-endangering tumour .
8 Research has shown that many text books written in the subject areas for 11- and 12-year-old pupils have readability ages of 14 .
9 However , research has shown that many students first discover Radio 4 when at college without a TV set .
10 He says research has shown that many people would be incapable of driving safely over long distances in the early afternoon even after one drink .
11 Research has shown that so-called Machiavellians can be effective manipulators of other people .
12 Research has shown that older people with appreciable or severe disablement form a significantly higher proportion of those living in poverty or on its margins than older people with no disabilities .
13 However , research has shown that older people have less absenteeism , more job stability , and greater output than younger workers .
14 Our other research has shown that some adults would prefer not to take up a full-time course and so lose the income from a full-time job .
15 Research has shown that smoking cigarettes may contribute to inadequate breast milk production .
16 Research has shown that significant changes in the levels of these particular vitamins can alter those reactions and thereby affect energy and well-being .
17 The Environment Secretary , Michael Heseltine , said that research had shown that many people did not make a connection between environmental problems in general and their own wasteful use of energy at home .
18 Consumer research had shown that that concern was allegedly highest in relation to poultry yet sales of that product had continued to boom .
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