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    Wyświetlanie 1-2 z 2
    Tytuł:
    Second language learning for vulnerable adult migrants: The case of the Italian public school
    Autorzy:
    Deiana, Igor
    Spina, Stefania
    Powiązania:
    https://bibliotekanauki.pl/articles/911703.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    adult foreign language education
    vulnerable adult migrants
    second language adult learners
    illiterate students
    teaching Italian as a second language
    second language teachers
    language teacher training
    language testing and assessment
    Opis:
    Over the last years, thousands of asylum seekers and refugees have arrived in Italy, including a large number of teenagers without any adult caregivers and women. A significant partof them is placed in the Italian language courses for foreigners organised by the Provincial Centre for Adult Education, commonly called CPIA (Centro Provinciale per l’Istruzione degli Adulti). Thispaper addresses the exploration of the language testing and assessment of the courses organized by this institution. With the aim of evaluating these aspects, the paper concentrates on the CPIA,its teachers, and its students. Focusing on CPIA’s language courses, we investigate the language testing and assessment carried out at the beginning and at the end of the language courses. Thanks to these observations, the paper tries to identify some critical aspects and to understand their causes.
    Źródło:
    Glottodidactica. An International Journal of Applied Linguistics; 2020, 47, 2; 67-81
    0072-4769
    Pojawia się w:
    Glottodidactica. An International Journal of Applied Linguistics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The handling of missing binary data in language research
    Autorzy:
    Pichette, Francois
    Beland, Sebastien
    Jolani, Shahab
    Leśniewska, Justyna
    Powiązania:
    https://bibliotekanauki.pl/articles/780779.pdf
    Data publikacji:
    2015-03-01
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    missing data
    Cronbach's alpha
    participant exclusion
    second language testing
    Opis:
    Researchers are frequently confronted with unanswered questions or items on their questionnaires and tests, due to factors such as item difficulty, lack of testing time, or participant distraction. This paper first presents results from a poll confirming previous claims (Rietveld & van Hout, 2006; Schafer & Gra- ham, 2002) that data replacement and deletion methods are common in research. Language researchers declared that when faced with missing answers of the yes/no type (that translate into zero or one in data tables), the three most common solutions they adopt are to exclude the participant’s data from the analyses, to leave the square empty, or to fill in with zero, as for an incorrect answer. This study then examines the impact on Cronbach’s α of five types of data insertion, using simulated and actual data with various numbers of participants and missing percentages. Our analyses indicate that the three most common methods we identified among language researchers are the ones with the greatest impact  n Cronbach's α coefficients; in other words, they are the least desirable solutions to the missing data problem. On the basis of our results, we make recommendations for language researchers concerning the best way to deal with missing data. Given that none of the most common simple methods works properly, we suggest that the missing data be replaced either by the item’s mean or by the participants’ overall mean to provide a better, more accurate image of the instrument’s internal consistency.
    Źródło:
    Studies in Second Language Learning and Teaching; 2015, 5, 1; 153-169
    2083-5205
    2084-1965
    Pojawia się w:
    Studies in Second Language Learning and Teaching
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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