A new statistical tool can help researchers get meaningful results when a randomized experiment, considered the gold standard, is not possible. A new statistical tool can help researchers get ...

The randomized controlled trial (RCT) is the gold standard in determining treatment efficacy. RCTs are characterized by their extensive participant involvement, which typically encompass a substantial ...

“The use of animals in research, teaching and testing is acceptable only if it promises to contribute to the understanding of environmental principles or issues; fundamental biological principles; or ...