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  2. Inductive reasoning - Wikipedia

    en.wikipedia.org/wiki/Inductive_reasoning

    Inductive reasoning is any of various methods of reasoning in which broad generalizations or principles are derived from a body of observations. [1] [2] This article is concerned with the inductive reasoning other than deductive reasoning (such as mathematical induction), where the conclusion of a deductive argument is certain given the premises are correct; in contrast, the truth of the ...

  3. Deductive reasoning - Wikipedia

    en.wikipedia.org/wiki/Deductive_reasoning

    Deductive reasoning can be contrasted with inductive reasoning, in regards to validity and soundness. In cases of inductive reasoning, even though the premises are true and the argument is “valid”, it is possible for the conclusion to be false (determined to be false with a counterexample or other means).

  4. Test construction strategies - Wikipedia

    en.wikipedia.org/wiki/Test_Construction_Strategies

    While inductive methods select items based upon factor loadings, empirical items are selected based upon validity coefficients and their ability to accurately predict group membership. However, the empirical method shares many of the strengths and weaknesses of atheoretical item creation with inductive methods, while also having an initial item ...

  5. Logical reasoning - Wikipedia

    en.wikipedia.org/wiki/Logical_reasoning

    Deductive reasoning plays a central role in formal logic and mathematics. [1] In mathematics, it is used to prove mathematical theorems based on a set of premises, usually called axioms. For example, Peano arithmetic is based on a small set of axioms from which all essential properties of natural numbers can be inferred using deductive reasoning.

  6. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    Deductive reasoning is the building of knowledge based on what has been shown to be true before. It requires the assumption of fact established prior, and, given the truth of the assumptions, a valid deduction guarantees the truth of the conclusion. Inductive reasoning builds knowledge not from established truth, but from a body of observations.

  7. Psychology of reasoning - Wikipedia

    en.wikipedia.org/wiki/Psychology_of_reasoning

    Scientists use inductive reasoning to create theories and hypotheses. [29] Philip Johnson-Laird distinguished inductive from deductive reasoning, in that the former creates semantic information while the later does not . [27]: 439 In opposition, deductive reasoning is a basic form of valid reasoning. [29]

  8. Models of scientific inquiry - Wikipedia

    en.wikipedia.org/wiki/Models_of_scientific_inquiry

    In a deductive system, one can correctly use the term "proof", as applying to a theorem. To say that a theorem is proven means that it is impossible for the axioms to be true and the theorem to be false. For example, we could do a simple syllogism such as the following: Arches National Park lies within the state of Utah.

  9. Statistical syllogism - Wikipedia

    en.wikipedia.org/wiki/Statistical_syllogism

    If the population is, say, a large number of balls which are black or white but in an unknown proportion, and one takes a large sample and finds they are all white, then it is likely, using this statistical syllogism, that the population is all or nearly all white. That is an example of inductive reasoning. [7]