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  2. Proportionality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Proportionality_(mathematics)

    The variable y is directly proportional to the variable x with proportionality constant ~0.6. The variable y is inversely proportional to the variable x with proportionality constant 1. In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio.

  3. Rowland Reading Foundation - Wikipedia

    en.wikipedia.org/wiki/Rowland_Reading_Foundation

    Rowland Reading Foundation is a non-profit organization based in Middleton, Wisconsin.Founded by Pleasant Rowland in 2004, it promotes the Rowland Reading Program, including Superkids Reading Program and Happily Ever After, a reading readiness program.

  4. Proportional reasoning - Wikipedia

    en.wikipedia.org/wiki/Proportional_reasoning

    In Piaget's model of intellectual development, the fourth and final stage is the formal operational stage.In the classic book "The Growth of Logical Thinking from Childhood to Adolescence" by Jean Piaget and Bärbel Inhelder formal operational reasoning takes many forms, including propositional reasoning, deductive logic, separation and control of variables, combinatorial reasoning, and ...

  5. Proportionate reduction of error - Wikipedia

    en.wikipedia.org/wiki/Proportionate_reduction_of...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  6. Power law - Wikipedia

    en.wikipedia.org/wiki/Power_law

    In statistics, a power law is a functional relationship between two quantities, where a relative change in one quantity results in a relative change in the other quantity proportional to the change raised to a constant exponent: one quantity varies as a power of another. The change is independent of the initial size of those quantities.

  7. Proportion (architecture) - Wikipedia

    en.wikipedia.org/wiki/Proportion_(architecture)

    Download as PDF; Printable version; In other projects ... It is the visual effect of the relationship of the various objects and spaces that make up a structure to ...

  8. Proportionality - Wikipedia

    en.wikipedia.org/wiki/Proportionality

    Download as PDF; Printable version; In other projects ... proportion or proportional may refer to: Mathematics ... describes the relationships between elements of a ...

  9. Venn diagram - Wikipedia

    en.wikipedia.org/wiki/Venn_diagram

    A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn (1834–1923) in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships in probability, logic, statistics, linguistics and computer science.