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  2. Inclusion and exclusion criteria - Wikipedia

    en.wikipedia.org/wiki/Inclusion_and_exclusion...

    Exclusion criteria concern properties of the study sample, defining reasons for which patients from the target population are to be excluded from the current study sample. Typical exclusion criteria are defined for either ethical reasons (e.g., children, pregnant women, patients with psychological illnesses, patients who are not able or willing ...

  3. Selection bias - Wikipedia

    en.wikipedia.org/wiki/Selection_bias

    Selection bias is the bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby failing to ensure that the sample obtained is representative of the population intended to be analyzed. [1]

  4. Social exclusion - Wikipedia

    en.wikipedia.org/wiki/Social_exclusion

    Another way of articulating the definition of social exclusion is as follows: Social exclusion is a multidimensional process of progressive social rupture, detaching groups and individuals from social relations and institutions and preventing them from full participation in the normal, normatively prescribed activities of the society in which ...

  5. Sociobiology - Wikipedia

    en.wikipedia.org/wiki/Sociobiology

    "Sociobiology is now part of the core research and curriculum of virtually all biology departments, and it is a foundation of the work of almost all field biologists. " Sociobiological research on nonhuman organisms has increased dramatically and continuously in the world's top scientific journals such as Nature and Science .

  6. Inclusion - Wikipedia

    en.wikipedia.org/wiki/Inclusion

    Inclusion (mineral), any material that is trapped inside a mineral during its formation; Inclusion bodies, aggregates of stainable substances in biological cells; Inclusion (cell), insoluble non-living substance suspended in a cell's cytoplasm; Inclusion (taxonomy), combining of biological species; Include directive, in computer programming

  7. Bias - Wikipedia

    en.wikipedia.org/wiki/Bias

    Sampling is supposed to collect of a representative sample of a population. Selection bias is the conscious or unconscious bias introduced into a study by the way individuals, groups or data are selected for analysis, if such a way means that true randomization is not achieved, thereby ensuring that the sample obtained is not representative of ...

  8. Self-selection bias - Wikipedia

    en.wikipedia.org/wiki/Self-selection_bias

    In statistics, self-selection bias arises in any situation in which individuals select themselves into a group, causing a biased sample with nonprobability sampling.It is commonly used to describe situations where the characteristics of the people which cause them to select themselves in the group create abnormal or undesirable conditions in the group.

  9. Survey sampling - Wikipedia

    en.wikipedia.org/wiki/Survey_sampling

    Quota Samples: The sample is designed to include a designated number of people with certain specified characteristics. For example, 100 coffee drinkers. This type of sampling is common in non-probability market research surveys. Convenience Samples: The sample is composed of whatever persons can be most easily accessed to fill out the survey.