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BACKGROUND: Using a structured process to develop a self-administered questionnaire provides a robust tool for collecting data that enhances the credibility of the results. Describing this process mitigates any complexity and confusion for the nurse researcher which can be generated by many sources of information that either lack detail or have complex statistical approaches. AIM: To discuss the development of a self-administered questionnaire with a focus on face, content, construct validity and reliability testing. DISCUSSION: Adopting a well-established, sequential, five-step approach ensur...

Background:Multiple vaccines against Covid-19 have passed through phase-3 trials; however, concerns have been raised about alleged excessive similarity of efficacy across age groups for the Sputnik V vaccine.Study Question:How likely are the observed efficacies for all age subgroups to fall within the range of by-age efficacies claimed for the AstraZeneca, Janssen, Moderna, Pfizer, and Sputnik V vaccines, assuming that there is no effect of age on efficacy?Study Design:We performed a simulation study using R of 1000 and then 50,000 simulated trials for each vaccine, with random allocation to e...

–Data results shared across facial injectables, body contouring and skincare portfolio highlights Allergan Aesthetics' continued commitment to advancing...

/PRNewswire/ -- The Society to Improve Diagnosis in Medicine (SIDM), revealed today the final line up for SIDM2022, an annual national conference gathering of...

Two Late Breaking Clinical Trials Sessions to Feature New Data from REDWOOD-HCM OLE...