Example sentences of "[noun sg] [conj] over a period " in BNC.

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1 Also studied were the consistency of performance of individuals within and between topics , between mode of assessment and over a period of time .
2 This stage is followed by a search for means to implement the desired change and over a period of time a cycle of problems are handled by this method .
3 This may be in a particular meeting or over a period of time .
4 The third type requires such intervention but over a period of years , usually nearly into adolescence , and often there is never complete resolution .
5 According to bogus sexologist Dr John R Brinkley , goat glands held the secret to combating male impotence and over a period of twenty years he amassed a fortune of more than $12 million administering them to 16,000 men worried about their sexual inadequacies .
6 The inhalation of iodine-131 could cause thyroid cancer in people as far away as 24 km , and there is a 20 per cent probability that over a period of 10–20 years between 1000 and 10,000 people could develop thyroid cancer ( less than 10 per cent of these would be fatal cancers ) .
7 The intention here was to allow the interviewer to simulate a conversation and over a period move towards a more symmetrical interactive relationship so that this interviewing style came to resemble participant observation .
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