Examlex
Some Paleoproterozoic-age rocks and associated features provide excellent evidence for widespread glaciation.
Case Study
An in-depth examination of an individual, group, or event to explore and understand dynamics not captured by quantitative methods.
Representative Sample
A subset of a population that accurately reflects the members of that population.
Single-Blind Study
A research experiment in which only the participants are unaware of who is receiving the treatment or placebo to prevent bias.
Surgical Error
A preventable mistake made during surgery, which can result in complications or harm to the patient.
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