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  2. Operational definition - Wikipedia

    en.wikipedia.org/wiki/Operational_definition

    An operational definition is designed to model or represent a concept or theoretical definition, also known as a construct. Scientists should describe the operations (procedures, actions, or processes) that define the concept with enough specificity such that other investigators can replicate their research. [4][5] Operational definitions are ...

  3. Operationalization - Wikipedia

    en.wikipedia.org/wiki/Operationalization

    Operationalization is the scientific practice of operational definition, where even the most basic concepts are defined through the operations by which we measure them. The practice originated in the field of physics with the philosophy of science book The Logic of Modern Physics (1927), by Percy Williams Bridgman, whose methodological position is called "operationalism".

  4. Operations research - Wikipedia

    en.wikipedia.org/wiki/Operations_research

    Operations research (British English: operational research) (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve decision-making. [1] The term management science is occasionally used as a synonym.

  5. Foundations of statistics - Wikipedia

    en.wikipedia.org/wiki/Foundations_of_statistics

    Foundations of statistics. The Foundations of Statistics are the mathematical and philosophical bases for statistical methods. These bases are the theoretical frameworks that ground and justify methods of statistical inference, estimation, hypothesis testing, uncertainty quantification, and the interpretation of statistical conclusions.

  6. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Statistics (from German: Statistik, orig. "description of a state, a country" [1]) is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. [2] In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical ...

  7. Theoretical definition - Wikipedia

    en.wikipedia.org/wiki/Theoretical_definition

    A theoretical definition defines a term in an academic discipline, functioning as a proposal to see a phenomenon in a certain way. A theoretical definition is a proposed way of thinking about potentially related events. [ 1 ][ 2 ] Theoretical definitions contain built-in theories; they cannot be simply reduced to describing a set of observations.

  8. Operating model - Wikipedia

    en.wikipedia.org/wiki/Operating_model

    An operating model describes how an organization delivers value, as such it is a subset of the larger concept 'business model'. A business model describes how an organization creates, delivers and captures value and sustains itself in the process. An operating model focuses on the delivery element of the business model.

  9. DIKW pyramid - Wikipedia

    en.wikipedia.org/wiki/DIKW_Pyramid

    DIKW pyramid: Each step up the pyramid creates value based on the initial data, and can be used to answer high-level questions. The DIKW pyramid, also known variously as the DIKW hierarchy, wisdom hierarchy, knowledge hierarchy, information hierarchy, information pyramid, and the data pyramid, [1] refers to a class of models [2] representing purported structural or functional relationships ...