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Repeated measures design is a research design that involves multiple measures of the same variable taken on the same or matched subjects either under different conditions or over two or more time periods. [1] For instance, repeated measurements are collected in a longitudinal study in which change over time is assessed.
The Salado Springs salamander (Eurycea chisholmensis) is a species of salamander in the family Plethodontidae. It is endemic to the vicinity of Salado, Texas. [1] [3] Its natural habitat is freshwater springs. It has been found only from a few springs that feed Salado Creek in Bell County, Texas.
Clinical monitoring is the oversight and administrative efforts that monitor a participant's health and efficacy of the treatment during a clinical trial.Both independent and government-run grant-funding agencies, such as the National Institutes of Health (NIH) [1] and the World Health Organization (WHO), [2] require data and safety monitoring protocols for Phase I and II clinical trials ...
Monitoring programs for wildlife utilize new and easier ways to monitor animal species for citizen scientists and research scientists alike. One such monitoring device is the automated recorder. Automated recorders are a reliable way to monitor species such as bird, bats, and amphibians as they provide ability to save and independently identify ...
A case report form (or CRF) is a paper or electronic questionnaire specifically used in clinical trial research. [1] The case report form is the tool used by the sponsor of the clinical trial to collect data from each participating patient.
In the statistical theory of design of experiments, randomization involves randomly allocating the experimental units across the treatment groups.For example, if an experiment compares a new drug against a standard drug, then the patients should be allocated to either the new drug or to the standard drug control using randomization.
In the design of experiments, optimal experimental designs (or optimum designs [2]) are a class of experimental designs that are optimal with respect to some statistical criterion. The creation of this field of statistics has been credited to Danish statistician Kirstine Smith .
The experience sampling method (ESM), [1] also referred to as a daily diary method, or ecological momentary assessment (EMA), is an intensive longitudinal research methodology that involves asking participants to report on their thoughts, feelings, behaviors, and/or environment on multiple occasions over time. [2]