Results 11 to 20 of about 169,356 (242)

Reference material comparisons: design of experiment and processing of measurement results

Стандартные образцы, 2017
The present article describes general principles of experimental research and processing of measurement results within the framework of one of the methods of evaluating the interchangeability of reference materials - paired comparisons of reference ...
E. V. Osintseva
doaj   +1 more source

Pilot study of paediatric regional lung function assessment via X-ray velocimetry (XV) imaging in children with normal lungs and in children with cystic fibrosis

BMJ Open
Introduction Cystic fibrosis (CF) is a life-limiting autosomal recessive genetic condition. It is caused by mutations in the gene that encodes for a chloride and bicarbonate conducting transmembrane channel.
Jessica Phillips, Andrew Tai, David Parsons, Kristin Carson-Chahhoud, Matthew Bruorton, Martin Donnelley, Thomas Goddard, Antonia O’Connor   +7 more
doaj   +2 more sources

Item Response Modeling of Paired Comparison and Ranking Data [PDF]

, 2010
The comparative format used in ranking and paired comparisons tasks can significantly reduce the impact of uniform response biases typically associated with rating scales.
Alberto Maydeu-Olivares, Anna Brown, Brown, Anna, Maydeu-Olivares, Alberto   +3 more
core   +1 more source

Item Response Models for Forced-Choice Questionnaires: A Common Framework [PDF]

, 2016
In forced-choice questionnaires, respondents have to make choices between two or more items presented at the same time. Several IRT models have been developed to link respondent choices to underlying psychological attributes, including the recent MUPP ...
Brown, Anna
core   +1 more source

How IRT can solve problems of ipsative data in forced-choice questionnaires [PDF]

, 2013
In multidimensional forced-choice (MFC) questionnaires, items measuring different attributes are presented in blocks, and participants have to rank-order the items within each block (fully or partially).
Brown, Anna, Maydeu-Olivares, Alberto
core   +1 more source

Prevalence, risk factors, and uptake of interventions for sexually transmitted infections in Britain: findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal). [PDF]

, 2013
BACKGROUND: Population-based estimates of prevalence, risk distribution, and intervention uptake inform delivery of control programmes for sexually transmitted infections (STIs).
Beddows, Simon, Erens, Bob, Copas, AJ, Soldan, Kate, Sonnenberg, Pam, Alexander, Sarah, Tanton, Clare, Mercer, Catherine H, Alexander, S, Ison, CA, Macdowall, W, Copas, Andrew J, Sonnenberg, P, Phelps, A, Johnson, AM, Field, Nigel, da Silva, Filomeno Coelho, Phelps, Andrew, Ison, Catherine A, Erens, B, Johnson, Anne M, Beddows, S, Tanton, C, Wellings, K, Prah, P, Wellings, Kaye, Mercer, CH, Da Silva, FC, Soldan, K, Macdowall, Wendy, Prah, Philip, Field, N, Clifton, S, Clifton, Soazig   +33 more
core   +1 more source

INTRA- AND INTER-RATER RELIABILITY OF MAXIMUM TORQUE APPLIED DURING PASSIVE ELBOW RANGE OF MOTION TESTING POST-CASTING OF SUPRACONDYLAR AND LATERAL CONDYLAR FRACTURES IN CHILDREN

, 2023
Elbow fractures account for a significant number of pediatric orthopedic injuries. The most common of these are the supracondylar and lateral condylar humeral fractures.
Armstrong, Joseph T
core   +1 more source

Neuropeptide-induced modulation of carcinogenesis in a metastatic breast cancer cell line (MDA-MB-231LUC+)

Cancer Cell International, 2018
Background Metastatic cancer to bone is well-known to produce extreme pain. It has been suggested that the magnitude of this perceived pain is associated with disease progression and poor prognosis.
Silvia Gutierrez, M. Danilo Boada
doaj   +1 more source

Comparison of Fracture Resistance among Different Post Placement Strategies and Core Buildup Materials in Endodontically Treated Maxillary Premolars: An In Vitro Study [PDF]

International Journal of Prosthodontics and Restorative Dentistry
Purpose: To compare the fracture resistance of endodontically treated premolars reinforced by one or two fiber-reinforced composites and different core buildup materials.
Shatha A Alshali, Ayman Abulhamael, Hisham Mously, Narmeen Shikdar   +3 more
doaj   +1 more source

Field validation as a means for continual monitoring of approved test kit’s fitness for purpose in the commercial market

Heliyon
Testing accuracy of a chemical contaminant requires use of a testing platform that conforms to validation criteria outlined in quality literature and standards.
Megan K. Rooney, Timothy J. Herrman
doaj   +1 more source