Example sentences of "over a period [prep] time " in BNC.
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| 31 | Most of the surveys showing that unemployed people are less healthy than the employed are cross-sectional in nature ( comparing different people at the same time , rather than following the changes in people 's lives over a period of time ) . |
| 32 | There are an increasing number of surveys which have looked at individuals over a period of time . |
| 33 | Other studies have surveyed panels of respondents over a period of time — though few have physiological measures of health ( such as changes in blood pressure ) or doctors diagnoses , and most use self-report questionnaires of one sort or another . |
| 34 | It is not surprising that two people , who have worked closely together over a period of time , come up with a similar approach to a problem . |
| 35 | Such a selection policy is clearly professionally and publicly unacceptable , from any political grouping , and if pursued over a period of time , will surely replace education with propaganda as one of the purposes of the public library service . |
| 36 | Harassment over a period of time by predators entering particular warrens will undoubtedly force the rabbits to temporarily abandon their homes . |
| 37 | Over a period of time and experience of using different makes of oil paints , this becomes apparent and useful in your choice and use of paint . |
| 38 | This may be in a particular meeting or over a period of time . |
| 39 | This does not add much to the cost of the order , and over a period of time the extra components build up into a useful stock of parts . |
| 40 | The remedy is given in different strengths or potencies to groups of healthy volunteers ( the provers ) over a period of time . |
| 41 | In practice , low potencies are usually prescribed over a period of time , whereas high potencies are classically administered as the single dose . |
| 42 | Under the legal definition of crime , it is in theory possible to determine the number of crimes committed in any one place over a period of time . |
| 43 | Police believe the tape was made over a period of time . |
| 44 | That means for a regular punter , however , that over a period of time , for every £100 staked he or she will end up with £88 in pocket . |
| 45 | If you are unsuccessful over a period of time there 's always a chance you will part company . ’ |
| 46 | ‘ It would be useful , ’ he said , ‘ if practitioners were made aware of the information that is required from them so they can build it up over a period of time . ’ |
| 47 | This gives judicial support to the view that financial statements have a limited useful life ( of less than 15 months ) and depreciate in usefulness over a period of time . |
| 48 | The masculine energy is made available , and over a period of time the woman can crystallize that energy into a bond that will hold fast . |
| 49 | The allegation was that she did not do enough to help her , and over a period of time this had made the carer extremely angry , and at the same time made their mother dissatisfied about the care she was receiving . |
| 50 | Usually in practice only one of the charges is preferred , i.e. loitering ( over a period of time ) or soliciting ( usually a verbal invitation ) . |
| 51 | When considering the number of units of output produced per worker in a factory , it is relatively easy to consider efficiency over a period of time . |
| 52 | However , the political problems of abolishing it outright would be huge and so some have advocated phasing it out over a period of time . |
| 53 | These courses are run over several months , giving participants time to try out the suggestions over a period of time . |
| 54 | Over a period of time and experience of using different makes of oil paints , this becomes apparent and useful in your choice and use of paint . |
| 55 | Many women find , over a period of time , that they like to take a regular supplement of evening primrose oil . |
| 56 | There is no obligation to buy any books over a period of time . |
| 57 | Such mixture of affective psychosis and schizophrenia may be revealed in changes in the symptom profile that are observed when the person is studied over a period of time , or it may be evident within a single episode of illness . |
| 58 | Thus , while Piaget emphasised the importance of the child 's actions upon the world , other researchers have focused upon the child 's reactions to other people and the interactions which occur when adult and infant act and react towards each other over a period of time . |
| 59 | The behaviour persists continuously over a period of time . |
| 60 | Undertake the management of the care of a group of patients over a period of time and organise the appropriate support service . |