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  2. Normativity - Wikipedia

    en.wikipedia.org/wiki/Normativity

    Many researchers in science, law, and philosophy try to restrict the use of the term "normative" to the evaluative sense and refer to the description of behavior and outcomes as positive, descriptive, predictive, or empirical. [1] [2] Normative has specialized meanings in different academic disciplines such as philosophy, social sciences, and ...

  3. Descriptive research - Wikipedia

    en.wikipedia.org/wiki/Descriptive_research

    Descriptive science is a category of science that involves descriptive research; that is, observing, recording, describing, and classifying phenomena.Descriptive research is sometimes contrasted with hypothesis-driven research, which is focused on testing a particular hypothesis by means of experimentation.

  4. Rationality - Wikipedia

    en.wikipedia.org/wiki/Rationality

    Descriptive theories are often investigated in empirical psychology while philosophy tends to focus more on normative issues. This division also reflects how different these two types are investigated. [6] [46] [16] [47] Descriptive and normative theorists usually employ different methodologies in their research.

  5. Fact–value distinction - Wikipedia

    en.wikipedia.org/wiki/Fact–value_distinction

    Statements of value (normative or prescriptive statements), which encompass ethics and aesthetics, and are studied via axiology. This barrier between fact and value, as construed in epistemology, implies it is impossible to derive ethical claims from factual arguments, or to defend the former using the latter. [2]

  6. Positive and normative economics - Wikipedia

    en.wikipedia.org/wiki/Positive_and_normative...

    Positive economics as a science concerns the investigation of economic behavior. [4] It deals with empirical facts as well as cause-and-effect behavioral relationships and emphasizes that economic theories must be consistent with existing observations and produce precise, verifiable predictions about the phenomena under investigation.

  7. Descriptive statistics - Wikipedia

    en.wikipedia.org/wiki/Descriptive_statistics

    The use of descriptive and summary statistics has an extensive history and, indeed, the simple tabulation of populations and of economic data was the first way the topic of statistics appeared. More recently, a collection of summarisation techniques has been formulated under the heading of exploratory data analysis : an example of such a ...

  8. Your Cholesterol Could Be A Key Indicator Of Dementia. A ...

    www.aol.com/cholesterol-could-key-indicator...

    The study analyzed data from nearly 10,000 people who were enrolled in a randomized clinical trial, looking into the impact of low-dose aspirin on reducing heart disease risk in Australian and ...

  9. Decision theory - Wikipedia

    en.wikipedia.org/wiki/Decision_theory

    The mythological judgement of Paris required selecting from three incomparable alternatives (the goddesses shown).. Decision theory or the theory of rational choice is a branch of probability, economics, and analytic philosophy that uses the tools of expected utility and probability to model how individuals would behave rationally under uncertainty.