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  2. Validity (statistics) - Wikipedia

    en.wikipedia.org/wiki/Validity_(statistics)

    The question of whether results from a particular study generalize to other people, places or times arises only when one follows an inductivist research strategy. If the goal of a study is to deductively test a theory, one is only concerned with factors which might undermine the rigor of the study, i.e. threats to internal validity. In other ...

  3. p-value - Wikipedia

    en.wikipedia.org/wiki/P-value

    The p-value is widely used in statistical hypothesis testing, specifically in null hypothesis significance testing. In this method, before conducting the study, one first chooses a model (the null hypothesis) and the alpha level α (most commonly 0.05).

  4. Environmental studies - Wikipedia

    en.wikipedia.org/wiki/Environmental_studies

    The study of the environment can be considered to offer unique chances for the development and exercise of the general cognitive skills that Piaget's work has made educators aware of. Environmental studies are increasingly being viewed as a long-term preparation for higher environmental studies such as Sociology, Archaeology, or Historical ...

  5. Type I and type II errors - Wikipedia

    en.wikipedia.org/wiki/Type_I_and_type_II_errors

    The solution to this question would be to report the p-value or significance level α of the statistic. For example, if the p-value of a test statistic result is estimated at 0.0596, then there is a probability of 5.96% that we falsely reject H 0 .

  6. Clinical significance - Wikipedia

    en.wikipedia.org/wiki/Clinical_significance

    In broad usage, the "practical clinical significance" answers the question, how effective is the intervention or treatment, or how much change does the treatment cause. In terms of testing clinical treatments, practical significance optimally yields quantified information about the importance of a finding, using metrics such as effect size, number needed to treat (NNT), and preventive fraction ...

  7. Epistemology - Wikipedia

    en.wikipedia.org/wiki/Epistemology

    Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge.Also called theory of knowledge, it explores different types of knowledge, such as propositional knowledge about facts, practical knowledge in the form of skills, and knowledge by acquaintance as a familiarity through experience.

  8. Semantics - Wikipedia

    en.wikipedia.org/wiki/Semantics

    Semantics is the study of meaning in languages. [1] It is a systematic inquiry that examines what linguistic meaning is and how it arises. [2] It investigates how expressions are built up from different layers of constituents, like morphemes, words, clauses, sentences, and texts, and how the meanings of the constituents affect one another. [3]

  9. Sociology - Wikipedia

    en.wikipedia.org/wiki/Sociology

    Demographers study how these characteristics impact, or are impacted by, various social, economic or political systems. The study of population is also closely related to human ecology and environmental sociology, which studies a population's relationship with the surrounding environment and often overlaps with urban or rural sociology.