OBJECTIVES To validate DREEM in medical education environment of Punjab, Pakistan. METHODS The DREEM questionnaire was anonymously collected from Final year Baccalaureate of Medicine; Baccalaureate of Surgery students in the private and public medical colleges affiliated with the University of Health Sciences, Lahore. Data was analyzed using Principal Component Analysis with Varimax Rotation....

OBJECTIVE Evaluate the construct validity of a list of eight Stressful Life Events in pregnant women. METHODS A cross-sectional study was conducted with 1,446 pregnant women in São Luís, MA, and 1,364 pregnant women in Ribeirão Preto, SP (BRISA cohort), from February 2010 to June 2011. In the exploratory factorial analysis, the promax oblique rotation was used and for the calculation of the int...

The purpose of the present study was to develop and validate a self-report instrument that measures the nature of the coach-athlete relationship. Jowett et al.'s (Jowett & Meek, 2000; Jowett, in press) qualitative case studies and relevant literature were used to generate items for an instrument that measures affective, cognitive, and behavioral aspects of the coach-athlete relationship. Two st...

Aim of the study was the development and validation of the psychometric properties of a six-item bi-factorial instrument for the assessment of social support (emotional and tangible support) with a population-based sample. A cross-sectional data set of N = 15,010 participants enrolled in the Gutenberg Health Study (GHS) in 2007-2012 was divided in two sub-samples. The GHS is a population-based,...

Following a previous evaluation of concept, item and semantic equivalences, this paper assesses the measurement equivalence between a Portuguese version of Revised Conflict Tactics Scales (CTS2) and the original instrument conceived in English. The CTS2 has been widely used to tap violence between couples. An intra-observer reliability evaluation involved 165 replications carried out within a 2...

In this paper the question of estimating the order in the context of subspace methods is addressed. Three di erent approaches are presented and the asymptotic properties thereof derived. Two of these methods are based on the information contained in the estimated singular values, while the third method is based on the estimated innovation variance. The case with observed inputs is treated as we...

The accurate extraction of scholarly reference information from scientific publications is essential for many useful applications like BIBTEX management systems or citation analysis. Automatic extraction methods suffer from the heterogeneity of reference notation, no matter wether the extraction model was handcrafted or learnt from labeled data. However, references of the same paper or journal ...

OBJECTIVES The purpose of this study was to develop a multidimensional scale for assessing social influences specific to the physical activity contexts of older adults. The proposed scale was designed to jointly assess types of both positive and negative social influences, and the sources of these influences. METHODS A series of confirmatory factor analyses was conducted to test a hypothesize...

AIMS This article describes the development of a questionnaire designed for comparisons of patient experiences of hospital care within the Nordic countries. The results of testing for data quality, reliability, and validity are presented following a Norwegian survey. METHODS Following a literature review and consultation within an expert group six items were developed measuring patient experi...