Results 251 to 260 of about 48,174 (313)

From energy provision to protein synthesis: Tunnelling nanotubes as mediators of intercellular metabolic cooperation in cancer

FEBS Open Bio, EarlyView.
The cytoskeleton‐mediated transport of mitochondria via tunnelling nanotubes restores respiration, increases ATP production, rescues cells from apoptosis, activates the AKT/mTOR signalling pathway, promotes cell migration and invasiveness, contributes to cancer progression and treatment resistance.
Stanislava Martínková, Jan Trnka
wiley   +1 more source

Using moderated nonlinear factor models to adjust for differential item functioning in the Student-Teacher Relationship Scale from kindergarten to Grade 6. [PDF]

J Sch Psychol
Magro SW, DeJoseph ML, Pianta RC, Roisman GI.   +3 more
europepmc   +1 more source

Sex-related differential item functioning of the Jenkins Sleep Scale: a cross-sectional study among 77 967 employees in the Finnish public sector. [PDF]

BMJ Open
Juhola J, Arokoski JPA, Ervasti J, Kivimäki M, Vahtera J, Myllyntausta S, Saltychev M.   +6 more
europepmc   +1 more source

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Estimating the Importance of Differential Item Functioning

Journal of Educational and Behavioral Statistics, 1995
Several methods have been proposed to detect differential item functioning (DIF), an item response pattern in which members of different demographic groups have different conditional probabilities of answering a test item correctly, given the same level of ability. In this article, the mixture index of fit, proposed by Rudas, Clogg, and Lindsay (1994) ,
Tamás Rudas, Rebecca Zwick
openaire   +1 more source

Differential item functioning and health assessment

Quality of Life Research, 2007
Establishing measurement equivalence is important because inaccurate assessment may lead to incorrect estimates of effects in research, and to suboptimal decisions at the individual, clinical level. Examination of differential item functioning (DIF) is a method for studying measurement equivalence.
Jeanne A, Teresi, John A, Fleishman
openaire   +2 more sources

Differential Item Functioning in rehabilitation research

Work, 2010
Measurement is critical to Rehabilitation practice and research. To provide effective services and to have valid research results, it is imperative to have valid and reliable assessment tools. Differential Item Functioning (DIF) is a statistical procedure which better enables us to assess both the validity and the results of measurement instruments. As
Dent, Gitchel, Ronna, Turner, Phillip, Rumrill   +2 more
openaire   +2 more sources

Differential Item Function

2016
For every IRT model, a mathematical function is used to specify the probability of item responses as a function of the ability (latent trait). The degree to which the observed data fit the mathematical function needs to be examined since valid results can only be drawn if the data fit the model.
Margaret Wu, Hak Ping Tam, Tsung-Hau Jen
openaire   +1 more source