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Advances in Psychological Science    2018, Vol. 26 Issue (2) : 368-380     DOI: 10.3724/SP.J.1042.2018.00368
Research Methods |
 Item Position Effect: Conceptualization, detection and developments
 NIE Xugang1; CHEN Ping1; ZHANG Yingbin2; HE Yinhong3
 (1 Collaborative Innovation Center of Assessment toward Basic Education Quality, Beijing Normal University, Beijing 100875, China) (2 Faculty of Education, Beijing Normal University, Beijing 100875, China) (3 School of Mathematical Sciences, Beijing Normal University, Beijing 100875, China)
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Abstract   Item position effect (IPE) refers to the item parameter non-invariance when the same item is placed at different positions of the tests, after controlling for the influence of random errors. The presence of IPE causes the violation of the critical parameter invariance assumption made in item response theory, making the applications such as test equating and computerized adaptive testing at risk. At present, the existing researches in this field mainly focus on the detection and modeling of IPE. However, more research efforts are needed to further explain the consequences of the detected IPE and to provide an in-depth discussion of IPE under different scenarios, which is of great importance to both basic research and practical applications.
Keywords  item position effect      parameter invariance      test fairness      explanatory item response theory      multilevel item response models     
ZTFLH:     
  B841  
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Corresponding Authors: CHEN Ping, E-mail: pchen@bnu.edu.cn   
Issue Date: 26 December 2017
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NIE Xugang
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NIE Xugang,CHEN Ping,ZHANG Yingbin, et al.  Item Position Effect: Conceptualization, detection and developments[J]. Advances in Psychological Science, 2018, 26(2): 368-380.
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http://journal.psych.ac.cn/xlkxjz/EN/10.3724/SP.J.1042.2018.00368     OR     http://journal.psych.ac.cn/xlkxjz/EN/Y2018/V26/I2/368
[1] YE Meng; XIN Tao. Item Parameter Drift: The Definition and Related Research[J]. Advances in Psychological Science, 2015, 23(10): 1859-1868.
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