Sentence examples for problems of representativeness from inspiring English sources
This is quite surprising since study results are rather diverse and sometimes even contradictory: often due to problems of representativeness as well as temporal and/or geographical differences of the respective data.
Then we started to work with the other samples (Sect. 2) and also found a problem of representativeness.
Another way to address the problem of representativeness of online job vacancy data as an accurate sample of job vacancy data is to employ statistical tools that account for sample design problems.
Paradoxically, large RCTs and "megatrials" (sometimes including more than 10,000 patients) [ 16] with heterogeneous samples have not solved the problem of representativeness [ 17]; indeed, they have aggravated it.
While acknowledging the problem of representativeness of our panellists, we feel that this Delphi survey provides us with important insight into the views of this group of PI experts.
For other healthcare problems, the degree of representativeness will vary according to the estimated prevalence and severity.
This paper has critically reviewed the existing literature to summarise the various ways in which researchers have been dealing with methodological issues related to web-based sources of new data and specifically the key problem of data representativeness and generalisability of their findings.
The problem of lack of representativeness affects most cost studies carried out using a "bottom-up" methodology (activity-based costing method that assess the amount of each resource that is used to produce an individual healthcare service and then assigns costs accordingly to generate aggregate costs for a healthcare system).
The reviewed studies have — implicitly or explicitly — adopted rather different approaches to deal with the problem of (non- representativeness of job vacanon- representativeness
Given the absence of a selection bias the problem of non-representativeness is not a concern when temporary plots are used.
In general, prospective studies have been criticized because of problems in the representativeness of the data due lack of good sampling frame and frequently a low participation rate (Joffe et al., 2005).
