The current study reports the development and psychometrics of a figure rating scale with leanness and muscularity dimensions and a 13-item questionnaire assessing symptoms associated with muscle dysmorphia (MD). Three separate samples of men and women completed the muscle dysmorphic disorder inventory (MDDI), the bodybuilder image grid (BIG) or both to measure 1-week test-retest reliability, i...

  Background: Visualattention is known as acritical base for learning.Thepurpose of the present study was to design, develop and evaluate the test-retest and internal consistency reliability as well as face, content and convergent validity of thecomputer- based selective visual attention test (SeVAT) for healthy first-grade school children.   Methods :In thefirst phase of this stud...

Construct validity (convergent and divergent) of the Adjustment Scales for Children and Adolescents (ASCA; McDermott, Marston, & Stott, 1993) and the Preschool and Kindergarten Behavior Scales (PKBS; Merrell, 1994a) is presented. Regular classroom teachers (n ! 38) randomly selected 5and 6-year-old children (N ! 123) and rated them on the ASCA and PKBS in counterbalanced order. Convergent evide...

Research on the Psychopathic Personality Inventory-Revised (PPI-R; Lilienfeld & Widows, 2005) initially revealed two factors: Fearless-Dominance, and Self-Centered Impulsivity. This study examined the validity of the PPI-R factors in a community sample (N=675). First, confirmatory factor analyses did not support the two-factor structure. Second, the PPI-R factors showed good convergent and disc...

Cognitive reserve is a hypothetical construct that has been used to inform models of cognitive aging and is presumed to be indicative of life experiences that may mitigate the effects of brain pathology. The purpose of this study was to evaluate the construct validity of cognitive reserve by examining both its convergent and its discriminant validity across three different samples of participan...

introduction: assessing quality of life for patients with shoulder instability may be essential because of the negative impacts of the disease on patient’s life. the aim of the present study, therefore,  was  to  assess  the  internal  validity  and  consistency,  test-retest  reliability,  and convergent validity of the persian version of the oxford shoulder instability score (osis). material ...

OBJECTIVES The aim of this study was to evaluate the reliability and validity of the the Chinese version of the Oral Health Impact Profile for TMDs (OHIP-TMDs-C). STUDY DESIGN The OHIP-TMDs was initially translated and cross-culturally adapted to Chinese following international guidelines; then subsequently validated for the psychometric characteristics of reliability and validity. In total, ...

Exploratory structural equation modeling (SEM) was applied to a multiple indicator (26 individual symptom ratings) by multitrait (ADHD-IN, ADHD-HI and ODD factors) by multiple source (mothers, fathers and teachers) model to test the invariance, convergent and discriminant validity of the Child and Adolescent Disruptive Behavior Inventory with 872 Thai adolescents and the ADHD Rating Scale-IV an...

The validity of student rating measures of instructional quality was severely questioned in the 1970s. By the early 1980s, however, most expert opinion viewed student rating measures as valid and as worthy of widespread use. In retrospect, older discriminant-validity concerns were not so much resolved as they were displaced from research attention by accumulating evidence for convergent validit...