Results 61 to 70 of about 1,542,528 (268)

Measuring time perspective in adolescents : can you get the right answer by asking the wrong questions? [PDF]

open access: yes, 2015
Time perspective continues to evolve as a psychological construct. The extant literature suggests that higher future orientation and lower present orientation are associated with better developmental outcomes. However, the extant literature also suggests
McKay, Michael T.   +5 more
core   +1 more source

On‐treatment dynamics of circulating extracellular vesicles in the first‐line setting of patients with advanced non‐small cell lung cancer: the LEXOVE prospective study

open access: yesMolecular Oncology, EarlyView.
The LEXOVE prospective study evaluated plasma cell‐free extracellular vesicle (cfEV) dynamics using Bradford assay and dynamic light scattering in metastatic non‐small cell lung cancer patients undergoing first‐line treatments, correlating a ∆cfEV < 20% with improved median progression‐free survival in responders versus non‐responders.
Valerio Gristina   +17 more
wiley   +1 more source

School Alienation: A Construct Validation Study

open access: yesFrontline Learning Research, 2017
Early identification of school alienation is of great importance for students’ educational outcomes and successful participation in society. This study examined the psychometric characteristics of a newly developed assessment instrument, the School ...
Julia Morinaj   +5 more
doaj   +1 more source

Development of a women’s empowerment index for Tanzania from the demographic and health surveys of 2004–05, 2010, and 2015–16

open access: yesEmerging Themes in Epidemiology, 2021
Background Women’s empowerment is a multidimensional construct which varies by context. These variations make it challenging to have a concrete definition that can be measured quantitatively.
Andrew Evarist Mganga   +4 more
doaj   +1 more source

The Reliability and Construct Validity of Scores on the Attitudes Toward Problem Solving Scale [PDF]

open access: yes, 2005
The Attitudes Toward Problem Solving Scale (ATPSS) has received limitedattention concerning its reliability and validity with a Malaysian secondaryeducation population.
al, S. A. (Sabri)
core  

NanoCMSer: a consensus molecular subtype stratification tool for fresh‐frozen and paraffin‐embedded colorectal cancer samples

open access: yesMolecular Oncology, EarlyView.
Consensus molecular subtypes (CMS1‐4) have been identified to study colorectal cancer heterogeneity and serve as potential biomarkers. In this study, we developed and evaluated NanoCMSer, a NanoString‐based classifier using 55 genes, optimized for FF and FFPE to facilitate the clinical evaluation of CMS subtyping.
Arezo Torang   +10 more
wiley   +1 more source

Quantifying Construct Validity: Two Simple Measures [PDF]

open access: yes, 2010
Construct validity is one of the most central concepts in psychology. Researchers generally establish the construct validity of a measure by correlating it with a number of other measures and arguing from the pattern of correlations that the measure is ...
Rosenthal, Robert, Westen, Drew
core   +1 more source

Robust acute myeloid leukemia engraftment in humanized scaffolds using injectable biomaterials and intravenous xenotransplantation

open access: yesMolecular Oncology, EarlyView.
Patient‐derived xenografts (PDXs) can be improved by implantation of a humanized niche. We tested different biomaterials and approaches, and demonstrate that the combination of an injectable biomaterial for scaffold creation plus an intravenous route for acute myeloid leukemia (AML) xenotransplantation provide the most convenient and robust approach to
Daniel Busa   +13 more
wiley   +1 more source

The Online Student Connectedness Survey: Evidence of Initial Construct Validity

open access: yesInternational Review of Research in Open and Distributed Learning, 2017
The Online Student Connectedness Survey (OSCS) was introduced to the academic community in 2012 as an instrument designed to measure feelings of connectedness between students participating in online degree and certification programs. The purpose of this
Tekeisha Denise Zimmerman, Kim Nimon
doaj   +1 more source

Validity and Reliability of the Persian Version of Sport Perfectionism Scale in Iranian Athletes [PDF]

open access: yesرشد و یادگیری حرکتی ورزشی, 2013
The aim of this study was to determine the validity and reliability of the Persian version of sport perfectionism scale of Dun et al. (2006). To determine the construct validity of the questionnaire, 393 (230 male and 163 female) athletes with different ...
Ahmad Farrokhi   +4 more
doaj   +1 more source

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