Example sentences of "[verb] [verb] a beneficial effect " in BNC.

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1 Mrs Postance believes that the heavy digging already completed to prepare the ground for the national curriculum has had a beneficial effect , at least on the teachers , even if the children have yet to reap the harvest : ‘ It 's focused our minds on what we are teaching .
2 She picked up the quartz crystal which , she believes , has had a beneficial effect on her well-being .
3 He believes that this estrangement has had a beneficial effect on his prose and that his fusion of English and French thought has resulted in a unique hybrid .
4 We will then also be able to establish whether artemether has a beneficial effect on the objective and unambiguous primary outcome measures ( full recovery versus recovery with sequelae versus death ) .
5 Originally thought to have a beneficial effect on flocks , Hecate was once the patroness of herdsmen .
6 The increase in this woodland may well have had a beneficial effect on the Woodcock and has provided the increasing breeding Redpoll population with an abundance of habitat .
7 Since 1977 otter hunting has been illegal , and the ban on the pesticide dieldrin is starting to have a beneficial effect .
8 Arousal in this study appeared to have a beneficial effect on memory for both types of information quite contrary to the predictions of Easterbrook 's hypothesis and to the results of the Christianson and Loftus ( 1987 ) study .
9 Interestingly , a majority of companies both on and off the zones considered that if anything the zones had had a beneficial effect on local business , local economic development , environmental improvements and public- and private-sector investment .
10 However , the scientists say they believed the layer would continue to thin every winter at least for the next eight years , after which a ban on use of certain gases will start to have a beneficial effect .
11 Some companies feel that they have had a beneficial effect on their trading situation , while others feel that their competitive position has been seriously undermined .
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