Use ‘quota sample’ in a sentence | ‘quota sample’ example sentences
1- Opinion polls in Britain are almost always conducted on quota samples .
2- In quota sampling the selection of the sample is non-random.
3- Suddenly a quota sample did not look as good.
4- In other words, a quota sample is not statistically representative of the relevant population.
5- quota samples are not based on random choice and so they are not statistically objective.
6- The major defence pollsters give is that quota samples generally predict the outcome of elections pretty well.
7- With a quota sample , I achieved a good balance between the different regions of the world.
8- Among the inheritance of this type of survey are procedures known as the quota sample and the attitude questionnaire.
9- ACORN classifies areas on the basis of a number of attributes which can be used to construct stratified quota samples .
10- After the 1936 election, private pollsters increasingly used quota sampling instead of straw polling in predicting the results of elections.
11- Fieldwork for the survey was conducted between 20th August and 10th September 2001 among a quota sample of 1245 adults.
12- In the better quota samples , such quotas are interlocked : the interviewer is told how many young housewives, how many male unemployed and so on to interview.
13- The fieldwork is conducted monthly on a quota sample of two thousand individuals selected to be representative of the adult population of Great Britain; more details about opinion polling companies and their methods are given in the appendix to this chapter.
14- Bus drivers and conductors resting between journeys are an obvious target for quota samples and are commonly overrepresented as an occupation in such samples.
15- One snag is that some statistical tests, especially calculations of sample error, cannot be made on quota sampling because they are not based on random sampling.
16- Our other main sample, however, the 444 life stories recorded for an earlier project, had been deliberately chosen on the basis of a quota sample to be representative of the British population as a whole in the early twentieth century.
17- Indeed, for some purposes its cheapness and speed make quota sampling a procedure which could be more extensively used in some academic research where a general indication of the attitudes extant in a specified population is required.
18- However, there is little evidence to suggest that these give better estimates of opinions which are any more accurate for these purposes than those yielded by carefully chosen quota samples .
19- None the less, when properly used, the quota sample can avoid the kind of gross errors made by attitude surveys in the past.
20- Instead of all the problems of finding or developing an appropriate sampling frame, and of drawing the sample randomly from the list, the quota sample is usually drawn by the interviewer.
21- Instead of seeking a random sample from a population in which each member has a known, calculable and non-zero probability of inclusion, the quota sample proceeds by deliberately selecting a sample which reflects the known composition of the target population.
22- One of the more important of these was the quota sample , an attempt to approximate to random sampling methods but in a way that minimised the practical difficulties often involved in selecting and contacting respondents, so offering considerable advantages in cost and convenience.
23- That same year, George Gallup , an advertising executive who had begun a scientific poll, predicted that Roosevelt would win the election , based on a quota sample of 50,000 people.
24- However, it took the failure of polls utilizing quota sampling to predict the winner of the 1948 U.S. presidential election to cause private pollsters to adopt this evolving sampling procedure.
25- The general idea, using these methods, was to carry on recording until a quota sample of sixteen people in each area had been filled.
26- The non-randomness of the quota sample (and, to some extent, the systematic sample) prevent computation of any measure of variability.
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