Decades-old samples often remain forgotten in freezers long after projects conclude, creating ethical and logistical challenges. Clinical research sites report spending hours combing through freezers ...

Better samples, better science: New study explores integrity of research specimens. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 09 / 190923111612.htm ...

Examples of Qualitative Research Strategies. ... For example, the influx of hacking and hijacking of cloud-based information has made internet security a topic of many industry reports.

For example, there was public outcry when samples that were collected from the Havasupai tribe for diabetes research were subsequently used for research on schizophrenia and inbreeding. 23,36 ...

The usually harmless Human Pegivirus has been found in brain samples from Parkinson’s patients. Researchers say this is the ...

Samples sitting in refrigerators today remain walled off from a ... 10 NIH institution had more than 2,000 samples of tissue from patients they had accumulated over more than a decade of research.

Biological samples are vital to disease research, but they often comprise highly sensitive materials. Living cells, for example, are susceptible to minor environmental shifts, while nucleic acids can ...

Course TopicsPower analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required ...

Leftover pathology samples, such as blood and tissue, are often discarded but can be used for research without consent under certain conditions, like deidentification and ethical approval.

Online opt-in sample: These samples are recruited using a variety of methods that are sometimes referred to as “convenience sampling.” Respondents are not selected randomly from the population but are ...