Results 31 to 40 of about 12,425,968 (292)

The effect of missing data and imputation on the detection of bias in cognitive testing using differential item functioning methods

BMC Medical Research Methodology, 2022
Background Item response theory (IRT) methods for addressing differential item functioning (DIF) can detect group differences in responses to individual items (e.g., bias).
E. Nichols, J. A. Deal, B. K. Swenor, A. G. Abraham, N. M. Armstrong, K. Bandeen-Roche, M. C. Carlson, M. Griswold, F. R. Lin, T. H. Mosley, P. Y. Ramulu, N. S. Reed, A. R. Sharrett, A. L. Gross   +13 more
doaj   +1 more source

Extending item response theory to online homework

Physical Review Special Topics. Physics Education Research, 2014
Item response theory (IRT) becomes an increasingly important tool when analyzing “big data” gathered from online educational venues. However, the mechanism was originally developed in traditional exam settings, and several of its assumptions are ...
Gerd Kortemeyer
doaj   +1 more source

Detecting Differential Item Functioning in 2PL Multistage Assessments

Psych, 2023
The detection of differential item functioning is crucial for the psychometric evaluation of multistage tests. This paper discusses five approaches presented in the literature: logistic regression, SIBTEST, analytical score-based tests, bootstrap score ...
Rudolf Debelak, Sebastian Appelbaum, Dries Debeer, Martin J. Tomasik   +3 more
doaj   +1 more source

Item response theory: Applications of modern test theory in skin cancer research [PDF]

, 2017
Comprehensive assessment of skin cancer risk is often done using questionnaires, but many have not been stringently evaluated for their quality. This thesis assessed the feasibility of applying modern test theory to develop a new item-response theory ...
Djaja, Ngadiman
core   +1 more source

An Evaluation of DIF Tests in Multistage Tests for Continuous Covariates

Psych, 2021
Multistage tests are a widely used and efficient type of test presentation that aims to provide accurate ability estimates while keeping the test relatively short.
Rudolf Debelak, Dries Debeer
doaj   +1 more source

The Effectiveness of the Adaptive Testing Using Selected Response Items and Constructed Response Items [PDF]

Journal of Islamic Studies, 2012
This study aimed at investigate the effectiveness of the adaptive testing which consists of both dichotomous selected response items and polytomous items by using generated data from computer,60 dichotomous responses and 10 polytomous responses were ...
Ismail Al-Bursan
doaj  

Item Response Models in Psychometrika and Psychometric Textbooks

Frontiers in Education, 2020
Item response theory modeling articles from 83 years of Psychometrika are sorted based on the taxonomy by Thissen and Steinberg (1986). Results from 377 research and review articles indicate that the usual unidimensional parametric item response theory ...
Seock-Ho Kim, Minho Kwak, Meina Bian, Zachary Feldberg, Travis Henry, Juyeon Lee, İbrahim Burak Ölmez, Yawei Shen, Yanyan Tan, Victoria Tanaka, Jue Wang, Jiajun Xu, Allan S. Cohen   +12 more
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo, Shehu Umar Abdullahi, Hassan Adam Murtala, Halima Kabir, Khadija A. Shamsu, Sari A. Acra, Virginia A. Stallings, Mark Rodeghier, Michael R. DeBaun, Lauren J. Klein   +9 more
wiley   +1 more source

An Extension of Testlet-Based Equating to the Polytomous Testlet Response Theory Model

Frontiers in Psychology, 2022
Educational assessments tests are often constructed using testlets because of the flexibility to test various aspects of the cognitive activities and broad content sampling.
Feifei Huang, Zhe Li, Ying Liu, Jingan Su, Li Yin, Minqiang Zhang   +5 more
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani, Rachel K. Peterson, Avani D. Rao, Laurie J. McKenzie, Ahmed Magdy Elmotayam, Leslie Chang, Michael Roth, Susan L. McGovern   +7 more
wiley   +1 more source