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  2. 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.

  3. Probability-proportional-to-size sampling - Wikipedia

    en.wikipedia.org/wiki/Probability-proportional...

    This is proportional to some known quantity so that = =. [ 1 ] : 97 [ 2 ] One of the cases this occurs in, as developed by Hanson and Hurwitz in 1943, [ 3 ] is when we have several clusters of units, each with a different (known upfront) number of units, then each cluster can be selected with a probability that is proportional to the number of ...

  4. 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

  5. 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.

  6. Proportionality - Wikipedia

    en.wikipedia.org/wiki/Proportionality

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

  7. 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.

  8. 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 ...

  9. Strongly proportional division - Wikipedia

    en.wikipedia.org/wiki/Strongly_proportional_division

    A strongly proportional division [1] (sometimes called super-proportional division) is a kind of a fair division. It is a division of resources among n partners, in which the value received by each partner is strictly more than his/her due share of 1/ n of the total value.