An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between…

A study design is a set of techniques that allow a researcher to collect and analyze data from different variables defined for a specific research…

Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does…

An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables.…

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being…

Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments…

When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results…

Bias refers to any tendency that prevents a question from being considered unprejudiced. In research, bias occurs when one outcome or answer is…

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized…

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and…

Anesthesia arguably provides one of the only systematic ways to study the neural correlates of global consciousness/unconsciousness. However to date…

Perturbed mitochondrial metabolism has received renewed interest as playing a causative role in a range of diseases. Probing alterations to metabolic…

Limited evidence exists to precisely estimate efficacy and safety differences between parenteral nutrition (PN) prepared using olive-oil-based…