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  2. Picture Exchange Communication System - Wikipedia

    en.wikipedia.org/wiki/Picture_Exchange...

    The requests consist of a sentence starter, "I want", and a picture of the desired activity or item. The communicative partner reads back the sentence after it has been exchanged by the student. After the student has learned to construct the sentence and point to the pictures, a delay between "I want" and the picture of the desired item is ...

  3. Schaffer method - Wikipedia

    en.wikipedia.org/wiki/Schaffer_method

    The Jane Schaffer method is a formula for essay writing that is taught in some U.S. middle schools and high schools.Developed by a San Diego teacher named Jane Schaffer, who started offering training and a 45-day curriculum in 1995, it is intended to help students who struggle with structuring essays by providing a framework.

  4. Harvard sentences - Wikipedia

    en.wikipedia.org/wiki/Harvard_sentences

    The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.

  5. Counterfactual conditional - Wikipedia

    en.wikipedia.org/wiki/Counterfactual_conditional

    Given such a model, the sentence "Y would be y had X been x" (formally, X = x > Y = y) is defined as the assertion: If we replace the equation currently determining X with a constant X = x, and solve the set of equations for variable Y, the solution obtained will be Y = y. This definition has been shown to be compatible with the axioms of ...

  6. Burden of proof (philosophy) - Wikipedia

    en.wikipedia.org/wiki/Burden_of_proof_(philosophy)

    Carl Sagan proposed a related criterion – "extraordinary claims require extraordinary evidence" – which is known as the Sagan standard. [ 2 ] While certain kinds of arguments, such as logical syllogisms , require mathematical or strictly logical proofs , the standard for evidence to meet the burden of proof is usually determined by context ...

  7. Cambridge English: Young Learners - Wikipedia

    en.wikipedia.org/wiki/Cambridge_English:_Young...

    There is a sentence underneath each picture, e.g. ‘This is a ball.’ If the sentence is true, children should put a tick next to the picture. If the sentence is false, children should put a cross next to the picture. Part 1 tests reading short sentences and recognizing words. Part 2 has a big picture and some sentences about the picture.

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  9. Concision - Wikipedia

    en.wikipedia.org/wiki/Concision

    A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts. This requires not that the writer make all his sentences short, or that he avoid all detail and treat his subjects only in outline, but that every word tell.