Biobanks provide an important repository of samples for research purposes. However, for those samples to reflect the invivo state, and for experimental reliability and reproducibility, careful attention to collection, processing and storage is essential. This is particularly true for the placenta, ...
Kirsty Williamson, in Research Methods for Students, Academics and Professionals (Second Edition), 2002 Sample selection in positivist and interpretivist studies Probability sampling or random sample selection is often used in positivist research. If a researcher wishes to generalise from a sample to ...
Given the recent proliferation of research using NIS data, this study systematically assessed the use of appropriate research practices in contemporary investigations using the NIS across a spectrum of biomedical journals. Methods Study Selection We performed a systematic evaluation of a randomly selected ...
- 《Nuclear Inst & Methods in Physics Research B》 被引量: 104发表: 2000年 Automated Sample Preparation and Analysis Workflows for Pesticide Residue Screenings in Food Samples using DPX-QuEChERS with LC/MS/MS QuEChERS (quick, easy, cheap, effective, rugged, and safe) sample preparation methods...
Is the HIV sentinel surveillance system adequate in China? Findings from an evaluation of the national HIV sentinel surveillance system information, sample size and sampling methods particularly for men who have sex with men (MSM), collection of refusal information, and data interpretation... L Wen...
These practices can be used to implement positive behavior in classrooms and on school campuses consistent with the framework set forth in PBIS. Restorative practices promote inclusiveness, relationship-building and problem-solving, through such restorative methods as circles for teaching and conflict ...
Methods Study subjects, sample collection, and sequencing. Study subjects were 13 adult female rhesus macaques (Macaca mulatta), members of 7 different social groups housed at the Yerkes National Primate Research Center (YNPRC). These groups were formed as part of a separate study on the ...
This collection is meant to feature more than 100 anthropology research paper examples. Since its emergence as a scientific discipline in the middle of the 19th century, anthropology has focused on the study of humankind in terms of science and reason, as well as logical speculation. Within a ...
The present subject matter relates to systems, devices, and methods for agricultural sample collection. In one aspect, a sample collection system includes an aerial robotic platform, an arm assembly coupled to the aerial robotic platform and comprising an arm that extends away from the aerial roboti...
As design researchers, we are routinely conducting qualitative research that isgenerative, or exploratory, in nature. When using methods such asmobile ethnography,workshopsorcontextual enquiryand making decisions about sample size, the rationale(s) that underpins recommendations for number of participants ...