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Consideration of quality of life in cancer survivorship research

Paul B Jacobsen1, Heather S L Jim

  • 1Department of Health Outcomes and Behavior, Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, USA. paul.jacobsen@moffitt.org

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Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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Assumptions of Survival Analysis

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