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Developing And Evaluating A Machine Scorable%2c Constrained Constructed Response Item by Henry I. Braun

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1ERIC ED395943: Developing And Evaluating A Machine-Scorable, Constrained Constructed-Response Item.

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The use of constructed response items in large scale standardized testing has been hampered by the costs and difficulties associated with obtaining reliable scores. The advent of expert systems may signal the eventual removal of this impediment. This study investigated the accuracy with which expert systems could score a new, non-multiple choice item type. The item type presents a faulty solution to a computer programming problem and asks the student to correct the solution. This item type was administered to a sample of high school seniors enrolled in an Advanced Placement course in Computer Science who also took the Advanced Placement Computer Science (APCS) Test. Results from 737 students for the first problem and 734 of these students for the second problem indicate that the expert systems were able to produce scores for between 82% and 97% of the solutions encountered and to display high agreement with a human reader on which solutions were and were not correct. Diagnoses of the specific errors produced by students were less accurate. Correlations with scores on the objective and free-response selections of the APCS examination were moderate. Implications for additional research and for testing practice are offered. Appendix A presents the faulty solutions problems, and Appendix B gives the correlation matrices for the APCS and the problems. (Contains 10 tables and 17 references.) (Author/SLD)

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  • Title: ➤  ERIC ED395943: Developing And Evaluating A Machine-Scorable, Constrained Constructed-Response Item.
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  • Language: English

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The book is available for download in "texts" format, the size of the file-s is: 32.99 Mbs, the file-s for this book were downloaded 80 times, the file-s went public at Sun Dec 13 2015.

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1Memoiren einer Sozialistin - Lehrjahre

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  • Number of Sections: 30

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    2Lebenssucher

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    Lily Braun, geboren als Amalie von Kretschmann, in erster Ehe Lily von Gizycki, (* 2. Juli 1865 in Halberstadt; † 9. August 1916 in Berlin) war eine deutsche Schriftstellerin, Sozialdemokratin und Frauenrechtlerin (Wikipedia). Der "Lebenssucher" ist der junge Konrad Hochseß, der von zu Hause auszieht, um in Höhen und Tiefen nach dem wahren Sinn des Lebens zu suchen. - Summary by Wikipedia & heeheekitty

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    • Number of Sections: 26
    • Total Time: 13:19:48

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    3Liebesbriefe der Marquise

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    Wenn die alte Gräfin Laval, in ihrem tiefen Lehnstuhl behaglich zurückgelehnt, ein heiter sinnendes Lächeln um die feinen Lippen, von Delphine Montjoie zu sprechen begann, so pflegte ihre strenge Tochter, mit einem vielsagendem Blick auf die Jugend im Zimmer, ein »aber Mamachen!« warnend dazwischen zu werfen. Sie unterbrach sich dann stets, eine zarte Röte überzog ihre Elfenbeinhaut, – ob aus Ärger, ob aus Verlegenheit? –, und für den Rest des Abends blieb sie schweigsam.<br><br> Kam eine ihrer Enkeltöchter allein zu ihr, so bedurfte es keiner langen Bitten und sie erzählte der gespannt Aufhorchenden von der Ahnfrau, die das Zaubermittel besessen hatte, alle Herzen an sich zu fesseln. Der lachende Geist des Rokoko – halb Liebesgott, halb Faun – hatte seine Schäferlieder an ihrer Wiege gesungen, das Heldenepos Napoleon hatte ihr Alter umbraust; um ihr duftendes Lockenköpfchen hatte der Sturm von 89 getobt, und von dem Gewitter der Julirevolution war ihr eisgraues Haupt noch berührt worden. Schleifende Menuettschritte, rauschende Kleider, klappernde Stöckelschuhe, Sturmläuten, Kanonendonner, dazwischen ein Flüstern, ein leises Lachen, ein verhaltenes Schluchzen, – das war ihre Geschichte. (Aus der Einleitung)

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    • Number of Sections: 29

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      4Unsere Kleinen

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      Lustige und kuriose Geschichten über Kinder, deren Sehnsüchte und Abenteuer, aber auch Ängste und Missgeschicke. Zumeist mit einem guten und gelehrigen Ende. Isabella Braun verhalf der Jugendliteratur in der Öffentlichkeit zu mehr Bedeutung. Sie führte Kinder und Jugendliche, besonders durch ihre Erzählungen, Dorfgeschichten und kleine Romane, an Bildung heran. - Summary by lorda

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