IRTPRO 5.1項目反應測驗軟體
- IRTPRO 5.1項目反應測驗軟體
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類別統計分析軟體
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介紹IRTPRO™ 是使用項目反應理論 (IRT) 進行項目校準和測試評分的高級應用程式。它帶有直觀的圖形用戶界面，並提供內置的生產質量 IRT 圖形。IRTPRO™適用於教育工作者、學生、研究人員和評估組織，在教育、心理、社會和健康科學領域的應用越來越廣泛。
IRTPRO 5.1 Project Response Test Software
IRTPRO™ 5.1 now includes a new ICC/TIF plot display control option for univariate models.
Plot Theta = n
keyword has been added to the Miscellaneous command syntax and is accessible in the GUI via the Analysis, Advanced Options option from the main menu. Previously, the X-axis of graphs were automatically set to display values between -3 and 3 for these graphs. By setting n to the user’s integer of choice, the range of this axis can now be adjusted.
FEATURES
IRT Models for which item calibration and scoring are implemented in IRTPRO™ are based on unidimensional and multidimensional [confirmatory factor analysis (CFA) or exploratory factor analysis (EFA)] versions of the following widely used response functions:
• Two-parameter logistic (2PL) (Birnbaum, 1968) [with which
equality constraints includes the one-parameter logistic
(1PL) (Thissen, 1982)].
• Three-parameter logistic (3PL) (Birnbaum, 1968)
• Graded (Samejima, 1969; 1997)
• Generalized Partial Credit (Muraki, 1992, 1997)
• Nominal (Bock, 1972, 1997; Thissen, Cai, & Bock, 2010)
These item response models may be mixed in any combination
within a test or scale, and any (optional) user-specified equality
constraints among parameters, or fixed values for parameters,
may be specified. IRTPRO™ currently uses IRT models for single-
level multivariate data sets.
• Saving of data sets and parameter estimates generated using
the BOOTSTRAP option of the ANALYSIS command.
• Scaling of sampling weights when the KNOWNCLASS option
of the VARIABLE command is used. This scales the weights to
the total number in each known class which is also what is
done using multiple-group analysis
系統需求
Windows 10, 8, 7
IRTPRO 5.1項目反應測驗軟體
IRTPRO™ 5.1 現在包括用於單變量模型的新 ICC/TIF 繪圖顯示控制選項。
Plot Theta = n
關鍵字已添加到雜項命令語法中，可通過主菜單中的分析、高級選項選項在 GUI 中訪問。以前，圖形的 X 軸自動設置為顯示這些圖形的 -3 到 3 之間的值。通過將n設置 為用戶選擇的整數，現在可以調整該軸的範圍。
特徵
在 IRTPRO™ 中實施項目校準和評分的 IRT 模型基於以下廣泛使用的響應函數的單維和多維 [驗證性因素分析 (CFA) 或探索性因素分析 (EFA)] 版本：
• 二參數邏輯 (2PL) (Birnbaum, 1968) [其中等式約束包括一參數邏輯
(1PL) (Thissen, 1982)]
• 三參數的邏輯 (3PL) (Birnbaum, 1968)
• 分級 (Samejima, 1969; 1997)
• 普遍化的部分信用(Muraki, 1992, 1997)
• 名義 (Bock, 1972, 1997; Thissen, Cai, & Bock, 2010)
這些項目響應模型可以在測試或量表內以任意組合混合，並且可以指定參數之間的任何（可選）用戶指定的等式約束或參數的固定值。
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