Second, data were based entirely on patients self-reporting; however, we do not think that method of data collection may represent a problem because self-reporting is the only way to collect subjective information about various domains of perceived health status.
Although the consistency of results from seven schools in different geographic and socioeconomic environments with a time interval of three years lends confidence to the findings, the data were based entirely on anonymous self-completed questionnaires and thus subject to responder bias.
Though dealing with 3-D vector data, the system is based entirely on regular cellular grid calculations and does therefore not necessarily require the use of 3-D computer environments, but can be used with 2-D grid-based graphical applications.
To study the relative importance of data quality and data coverage, an assessment is done for two satellite products: one product is based entirely on NOAA 12 data and has larger coverage but lower quality.
The waiver is justified by this being an observational study based entirely on data abstracted from medical record, and that such data are already routinely collected for healthcare quality assurance purpose.
And with its new platform for mobile advertising, called iAd, Apple has started to make money from all the data it collects.Some firms will make a living based entirely on mining "data exhaust", the bits and bytes produced by other activities.
Jason Hickman, the executive editor, said the site's computer-generated rankings — based entirely on data like results, margin of victory and strength of schedule — provided something closer to an objective product.
The WAO's warning - based entirely on data that the NHS itself has submitted to the Welsh government - is not the first of its type.
They are based entirely on data we gather beyond academics that gives insight into what the school's enrolled students say about their professors, administrators, school services, campus culture, and student life.
Thus, this post hoc analysis was based entirely on data from in-house, Pfizer Inc.-sponsored, clinical studies.
