Results 251 to 260 of about 323,025 (296)

A New Threshold Switching Device With Tunable Negative Differential Resistance Based on ErMnO3 Polymorphs

Advanced Functional Materials, EarlyView.
Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu, Florian Maudet, Thanh Luan Phan, Wassim Hamouda, Richard Schroedter, Ahmet Samil Demirkol, Ronald Tetzlaff, Veeresh Deshpande, Catherine Dubourdieu   +8 more
wiley   +1 more source

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Visual Analog Scale pain reporting was standardized

Journal of Clinical Epidemiology, 2005
Whereas pain is frequently measured using a visual analog scale (VAS) that can examine change over short time intervals in the same subject, such ratings are not useful in analyzing differences across subjects. We created a method for normalizing VAS pain reporting to control for the variation between different populations due to the differences in ...
Robert L, Kane, Boris, Bershadsky, Todd, Rockwood, Khaled, Saleh, Nazir C, Islam   +4 more
openaire   +4 more sources

The Visual Analog Scale for Pain

Anesthesiology, 2001
Background The visual analog scale is widely used in research studies, but its connection with clinical experience outside the research setting and the best way to administer the VAS forms are not well established. This study defines changes in dosing of intravenous patient-controlled analgesia as a clinically relevant outcome ...
C A, Bodian, G, Freedman, S, Hossain, J B, Eisenkraft, Y, Beilin   +4 more
openaire   +4 more sources

Evaluating the Effectiveness of Visual Analog Scales

Social Science Computer Review, 2006
The use of visual analog scales (VAS) in survey research has been relatively rare, in part because of operational difficulties. However web surveys permit the use of continuous input devices such as slider bars, making VAS more feasible. The authors conducted an experiment to explore the utility of a VAS in a web survey, comparing it to radio button ...
Mick P. Couper, Roger Tourangeau, Frederick G. Conrad, Eleanor Singer   +3 more
openaire   +3 more sources

Likert scale vs visual analog scale for assessing facial pleasantness

American Journal of Orthodontics and Dentofacial Orthopedics, 2021
This study aimed to compare the 2 most commonly used methods for assessing facial pleasantness, the Likert scale and the visual analog scale (VAS).For assessing facial pleasantness, an album was assembled containing the front and profile view facial photographs of 10 patients (5 females, 5 males) who sought orthodontic treatment representing each of ...
Gregório Bonfim, Dourado, Graziela Hernandes, Volpato, Renata Rodrigues, de Almeida-Pedrin, Paula Vanessa, Pedron Oltramari, Thaís Maria, Freire Fernandes, Ana Cláudia, de Castro Ferreira Conti   +5 more
openaire   +2 more sources

Correlations of visual analog scales with Edinburgh Postnatal Depression Scale

Journal of Affective Disorders, 2005
The purpose of this study was to search for correlations of scores on the visual analog scales (VAS) taken during the third week postpartum with scores on the Edinburgh Postnatal Depression Scale (EPDS) taken on approximately day 28 postpartum.Thirty-four women filled out six visual analog scales on postpartum days 15-21 and took the EPDS at their 4 ...
Sarah J Breese, McCoy, J Martin, Beal, Mark E, Payton, Audra L, Stewart, Ariana M, DeMers, Gary H, Watson   +5 more
openaire   +2 more sources

Assessment of sick building syndrome using visual analog scales

Indoor Air, 2022
Despite there is no recommendations for assessing symptoms of sick building syndrome, the use of visual analog scales (VAS) seems attractive and appropriate. We aimed to demonstrate the benefits of using VAS for evaluating subjective symptoms of sick building syndrome.We compared an exposed group to a control group with a one-year follow-up.
Dutheil, Frédéric, Vilmant, Audrey, Boudet, Gil, Mermillod, Martial, Lesage, François-Xavier, Jalenques, Isabelle, Valet, Guillaume, Schmidt, Jeannot, Bouillon-Minois, Jean-Baptiste, Pereira, Bruno   +9 more
openaire   +4 more sources

Use of visual analog scales in economic evaluation

Expert Review of Pharmacoeconomics & Outcomes Research, 2003
Visual analog scales or rating scales are commonly used in economic evaluation to elicit preferences in order to estimate quality-adjusted life years. Values obtained from visual analog scales have been used on their own or via a transformation to map them onto one of the choice-based methods for elicting preferences, namely standard gamble or time ...
John, Brazier, Colin, Green, Christopher, McCabe, Katherine, Stevens   +3 more
openaire   +2 more sources

The Million Visual Analog Scale

Spine, 2003
A longitudinal cohort study involving 1749 patients with chronically disabling spine disorder (CDSD) who underwent tertiary rehabilitation investigated the relation between the Million Visual Analog Scale (MVAS) score and treatment outcome.To determine whether the pretreatment MVAS rating of disability severity is associated with the ability to ...
Christopher, Anagnostis, Tom G, Mayer, Robert J, Gatchel, Timothy J, Proctor   +3 more
openaire   +2 more sources