objectives : bayley scales of infant & toddler development is a well-known diagnostic developmental assessment tool for children aged 1–42 months. our aim was investigating validity & reliability of this scale in persian speaking children. materials & methods: the method was descriptive-analytic. translation- back translation and cultural adaptation was done. content & face validity of tranlate...

INTRODUCTION The aim of this study was to adapt the Markova and Berrios Insight scale in Spanish and to analyze its psychometric properties and relationships to the severity of the psychotic symptoms. METHODOLOGY A translation-backtranslation of the original scale was elaborated and a panel of professionals participated to assess conceptual equivalence and naturality. This is a 30-item self-a...

background: sustained visual attention is a prerequisite for learning and memory. the early evaluation of attention in childhood is essential for their school and career success in the future. the aim of this study was to design, development and investigation of psychometric properties (content, face and convergent validity and test-retest and internal consistency reliability) of the computer -...

In many testing situations the use of parallel forms or test-retest reliability coefficients is impractical. Viable alternatives to these approaches are the internal consistency coefficients. One of the most commonly used internal consistency coefficients is Cronbach s coefficient alpha. The purpose of this paper is to discuss the robustness of coefficient alpha. To begin, I will provide a deri...

objective: having a good quality of life has always been desirable for humans, and the concept of a good life and the ways of achieving it have become important over the years. personal wellbeing is the mental component of quality of life. thus, the current study was conducted to assess the reliability and validity of the ‘‘personal well-being index- cognitive disability’’ on mentally retarded ...

background: dizziness as a common symptom affecting many aspects of the patient’s life and it is hard to be fully evaluated. the dizziness handicap inventory (dhi) is a reliable self-perceived questionnaire in the evaluation of dizziness impacts. the purposes of this study are translation of the dhi to persian language and measuring its psychometric properties, including face, content, discrimi...

background:  falls is worldwide health problem among older adults. different scales have been introduced related to falls, including falls efficacy scale (fes) and activity-specific balance scale (abcs). persian version of these scale needs to be assessed for internal consistency. the aim of this study was to evaluate the internal consistency of persian version of fes and abcs. methods:  in thi...

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 study,the computer-...

OBJECTIVE To assess the validity and reliability of the Brazilian version of the physical activity social support scale for adults. METHODS The scale was applied in conjunction with a face-to-face multi-dimensional questionnaire in 1,461 individuals aged between 18 and 79 years, living in Curitiba, Southeastern Brazil, between April and July 2009. The questionnaire was submitted to validity (...