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  • 1
    Electronic Resource
    Electronic Resource
    The effects of illustrations on children's comprehension of abstract and concrete passages (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of research in reading 8 (1985), S. 0 
    Details
    ISSN: 1467-9817
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Linguistics and Literary Studies , Education
    Notes: This study investigates the effects of illustrations on 11-year-olds' comprehension of abstract and concrete passages. For half the subjects, illustrations were provided and these subjects were instructed to utilize the illustrations in comprehending each of the stories. Results for the concrete passage revealed no significant effects due to the illustration, although ability effects were found for literal, inferential and total comprehension. Similar ability effects were found for the abstract passage. In addition, for the abstract passage significant effects attributable to the illustration were revealed for inferential and total comprehension. A more detailed analysis of this facilitative effect showed that both text-based and script-based inferences were significantly enhanced when an illustration accompanied the abstract passage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9817.1985.tb00272.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Symmetrization of organomercury(II) chlorides using basic alumina (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Applied Organometallic Chemistry 12 (1998), S. 475-478 
    Details
    ISSN: 0268-2605
    Keywords: organomercurials ; symmetrization ; column chromatography ; organomercury halides ; Chemistry ; Industrial Chemistry and Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The symmetrization reaction of organomercury(II) chlorides (RHgCl) to R2Hg and HgCl2 in toluene solution under identical conditions using a basic alumina column has been studied­in order to compare the effect of the nature of the R groups on the extent of symmetrization. The efficiency of symmetrization depends markedly on the electron-withdrawing nature of­R, varying from 90-94% for R = trichlorovinyl or phenyl to 11% for R = 2,6-dimethylphenyl.© 1998 John Wiley & Sons, Ltd.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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