group sequential design

a research design in which a treatment is randomly assigned to different groups at varying times, such that every group receives the treatment eventually. A group sequential design is useful when it is important for each participant to have an opportunity to benefit from the treatment, but a comparison group nonetheless is required: The portion of the sample that receives the treatment later acts as a control group initially.

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Psychology term of the day

November 22nd 2024

spaying

n. the surgical removal of the ovaries of a female mammal as a sterilization procedure.