<?xml version="1.0" encoding="UTF-8"?>
<ArticleSet>
  <Article>
    <Journal>
      <PublisherName>انجمن مطالعات هوش و استعداد</PublisherName>
      <JournalTitle>پویایی روانشناختی در اختلال های خلقی</JournalTitle>
      <Issn>2981-1759</Issn>
      <Volume>3</Volume>
      <Issue>پیاپی 10</Issue>
      <PubDate PubStatus="epublish">
        <Year>2024</Year>
        <Month>08</Month>
        <Day>22</Day>
      </PubDate>
    </Journal>
    <ArticleTitle>Selecting an Appropriate Cognitive Diagnostic Model for Eighth Grade Math Questions: TIMSS 2019 Study</ArticleTitle>
    <VernacularTitle>انتخاب مدل تشخیصی شناختی مناسب برای سوالات ریاضی پایه هشتم مطالعه تیمز 2019</VernacularTitle>
    <FirstPage>10</FirstPage>
    <LastPage>22</LastPage>
    <ELocationID EIdType="doi">10.61838/kman.pdmd.3.2.2</ELocationID>
    <Language>FA</Language>
    <AuthorList>
      <Author>
        <FirstName>حمیده</FirstName>
        <LastName>خلیل پور</LastName>
        <Affiliation>دانشجوی دکتری، گروه سنجش و اندازه گیری، واحد ساوه، دانشگاه آزاد اسلامی، ساوه، ایران</Affiliation>
      </Author>
      <Author>
        <FirstName>اصغر</FirstName>
        <LastName>مینایی</LastName>
        <Affiliation>دانشیار، گروه سنجش و اندازه گیری، دانشگاه علامه طباطبائی، تهران، ایران</Affiliation>
      </Author>
      <Author>
        <FirstName>عبدالعظیم</FirstName>
        <LastName>کریمی</LastName>
        <Affiliation>دانشیار، پژوهشگاه مطالعات آموزش و پرورش، تهران، ایران</Affiliation>
      </Author>
    </AuthorList>
    <PublicationType>Journal Article</PublicationType>
    <History>
      <PubDate PubStatus="received">
        <Year>1403</Year>
        <Month>01</Month>
        <Day>22</Day>
      </PubDate>
    </History>
    <Abstract>&lt;p&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;Background and Objective:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; Traditional assessment methods have been criticized for neglecting the cognitive processes required by test-takers to provide correct responses. To address these issues, cognitive diagnostic models have been introduced by researchers. This study aimed to explore and apply cognitive diagnostic models to estimate the psychometric properties of published eighth-grade math questions from TIMSS 2019.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; &lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;Methods and Materials:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; The research method employed in this study is mixed-methods, conducted with a retrofitting approach to existing tests. The statistical population of this study consisted of all Iranian eighth-grade students who participated in the TIMSS 2019 study. The population size included 1,095,026 students from 23,895 schools. The sample consisted of 5,980 Iranian eighth-grade students from 220 schools, selected through a two-stage cluster sampling method, with an average age reported as 14.1 years.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; &lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;Findings:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; Using a qualitative method, 16 skills across four content domains—knowledge, application, and reasoning—were identified and the Q-matrix was developed. Then, in the quantitative section, the fit of the DINA model as a compensatory model, the DINO model as a non-compensatory model, and the G-DINA model as a general model were examined with data from students' responses to math questions in blocks 1, 2, 3, and 5. The findings showed that in terms of model fit, the G-DINA model had the weakest fit, while the DINA model had the best fit. Absolute fit indices of the models also indicated that the DINA model was better, and the DINO model did not fit. Relative fit indices of the models showed no significant difference between the G-DINA model and the other two models, and overall, the non-compensatory DINA model demonstrated the best fit.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; &lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" /&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;Conclusion:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt; The results indicated that the DINA model had the best fit with the data and can be considered the optimal model for analyzing the eighth-grade mathematics questions in TIMSS 2019.&lt;/span&gt;&lt;/p&gt;</Abstract>
    <OtherAbstract Language="FA">&lt;p&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;زمینه و هدف:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;&amp;nbsp;از آنجایی که روش‌های سنجش مرسوم به دلیل عدم توجه به فرآیندهای شناختی مورد نیاز آزمودنی‌ها برای ارائه پاسخ درست مورد انتقاد قرار گرفته‌اند، مدل‌های تشخیصی شناختی توسط محققین ارائه شده است.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;&amp;nbsp;&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;روش و مواد:&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;&amp;nbsp;پژوهش حاضر با هدف مطالعه و کاربرد مدل‌های تشخیصی شناختی در برآورد ویژگی‌های روان‌سنجی سوال‌های انتشار یافته ریاضی پایه هشتم تیمز 2019 انجام شد. روش تحقیق این مطالعه، کمی-کیفی است که با رویکرد ریتروفیت آزمون‌های موجود انجام شد. جامعه آماری این مطالعه، کلیه دانش‌آموزان ایرانی پایه هشتم شرکت‌کننده در مطالعه تیمز 2019 بود. حجم جامعه دانش‌آموزان ایرانی شامل 1,095,026 دانش‌آموز از 23,895 مدرسه بود. نمونه دانش‌آموزان پایه هشتم ایرانی شرکت‌کننده در مطالعه تیمز 2019 است که از طریق روش نمونه‌گیری خوشه‌ای دو مرحله‌ای، 5,980 دانش‌آموز پایه هشتم ایرانی از 220 مدرسه با میانگین سنی 14.1 گزارش شده است.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;&amp;nbsp;&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;یافته‌ها:&amp;nbsp;&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;با استفاده از روش کیفی، 16 مهارت در چهار زمینه حیطه محتوایی، دانش، به کاربستن و استدلال کردن شناسایی و ماتریس کیو تدوین شد. سپس در بخش کمی میزان برازش مدل‌های DINA به عنوان مدل جبرانی، DINO به عنوان مدل غیرجبرانی و G-DINA به عنوان مدل کلی با داده‌های حاصل از پاسخ دانش‌آموزان به سوالات بخش ریاضی در بلوک‌های 1، 2، 3 و 5 بررسی شد. یافته‌ها نشان داد از نظر برازش سوالات با مدل، مدل G-DINA ضعیف‌ترین و مدل DINA بهترین برازش را داشتند. بررسی شاخص‌های برازش مطلق مدل‌ها نیز نشان داد که مدل DINA بهتر بود و مدل DINO برازش نداشت. شاخص‌های برازش نسبی مدل‌ها نشان داد که تفاوت معناداری بین مدل G-DINA با دو مدل دیگر ندارد و در مجموع مدل غیرجبرانی DINA بهترین برازش را نشان داد.&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;&amp;nbsp;&lt;/span&gt;&lt;br style="box-sizing: border-box; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;strong style="box-sizing: border-box; font-weight: bold; color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"&gt;نتیجه‌گیری:&amp;nbsp;&lt;/strong&gt;&lt;span style="color: #333333; font-family: rtl-font, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"&gt;نتایج نشان داد که مدل DINA بهترین برازش را با داده‌ها داشت و می‌تواند به عنوان مدل بهینه برای تحلیل سؤالات ریاضی پایه هشتم تیمز 2019 استفاده شود.&lt;/span&gt;&lt;/p&gt;</OtherAbstract>
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