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STRUCTURAL EQUATION MODELING (SEM) : CATEGORY DATA (Studies in Science Literacy and Ability Test for Seventh Grade Student Secondary School)

Ability is a construct that has value but can not be measured directly or latent
variables. Evaluation of ability to also be done on the ...

  • CodeCallNoLokasiKetersediaan
    01001100700341519.5 Dib sPerpustakaan Pusat (REF.14.25)Tersedia
  • Perpustakaan
    Perpustakaan Pusat
    Judul Seri
    -
    No. Panggil
    519.5 Dib s/R.14.25
    Penerbit Magister Statistika Terapan, : Bandung.,
    Deskripsi Fisik
    xiv,; 70 hlm,;29 cm
    Bahasa
    Indonesia
    ISBN/ISSN
    -
    Klasifikasi
    519.5 Dib s
    Tipe Isi
    -
    Tipe Media
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    Tipe Pembawa
    -
    Edisi
    -
    Subyek
    Item response theory, item difficulty, item discri
    Info Detil Spesifik
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    Pernyataan Tanggungjawab
  • Ability is a construct that has value but can not be measured directly or latent
    variables. Evaluation of ability to also be done on the measuring tool that is a
    item. Quality of items can be known by item difficulty and item discrimination that
    are parameters on item response theory (IRT). While relationship between test
    result and ability expressed in a curve called item characteristic curve (ICC). If
    ability is influenced other factors in this study are school accreditation and
    gender, analysis of ability model can be use multiple indicators multiple causes
    (MIMIC) model. In this research, latent variables were observed through the
    indicator variables with category data so structural equation model (SEM) for
    categorical data method can be used for analysis. While the aim of this study is
    to determine the best model through estimation and comparison of parameters in
    IRT and MIMIC models. The result of data analysis are significant difference
    between IRT with MIMIC models. Evaluation of model results that IRT models is
    the best model for the estimation of parameters showed better result and the value
    of X2 and df is smaller than the MIMIC model. From the item characteristic
    curve is known about the item number three has a good quality because it can
    distinguish the ability of participants is better than any other items. From MIMIC
    model can be seen that for each school accreditation, the ability of female and
    male participants almost same although female participants was higher than
    male participants and for the school with low accreditation then the ability is
    lower.

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