In an anonymous CATI survey it is not possible to contact those who refused to participate to determine this bias.
The city does not investigate the businesses that participate to determine if they are in trouble with the Better Business Bureau, the Labor Department, the bankruptcy courts or the Internal Revenue Service, Ms. Reinecke said.
In preparation of this study, we recently conducted a retrospective study in the participating hospitals to determine the number of X-rays performed for wrist trauma.
31 Therefore, we carried out a phantom study in all participating institutions to determine the optimal scan parameters appropriate for each institution prior to the clinical study according to routine use recommendations and guidelines.
In future studies, if a similar video observation system is employed, recommendations include pre-visits to all participating clinics to determine the number of cameras required in advance (to ensure an adequate number is available), and improved positioning of cameras, particularly in the surgical suite, to help reduce the risk of visual obstruction.
A pilot study will be conducted on a subsample within a participating school to determine the appropriate length of the adolescent questionnaire, identify language or comprehension difficulties with the use of standard scales, and refine elements of the survey protocol focused on school and parental consent, and adolescent assent.
Data from 12 younger adults, who participated in experiments to determine the maximum forward lean angles that participants could be suddenly released from and still recover balance using three different limits on the number of steps, were used.
A nasal swab was taken by the subjects themselves and sent by mail to one of the participating microbiology laboratories to determine the presence of MRSA.
He pressed for reform of the country's system of weights and measures and participated in hydrodynamic experiments to determine the engineering principles of canal construction.
Last week, Brown asked Texas fans and the news media not to participate in polls trying to determine the popular choice for the starter's job.
