INTRODUCTION The importance of content validity in the instrument psychometric and its relevance with reliability, have made it an essential step in the instrument development. This article attempts to give an overview of the content validity process and to explain the complexity of this process by introducing an example. METHODS We carried out a methodological study conducted to examine the ...

background an absolute prerequisite to the effective management of dementia is its early diagnosis. successful dementia screening requires precise and sensitive instruments that can be completed even by illiterate elderly people. objectives the aim of this study was to evaluate the psychometric properties of the persian version of the cognitive state test (cost). materials and methods this meth...

background and purpose: of the significant processes for educational quality promotion is to evaluate the teachers' competency.this study has been conducted with the goal for designing and psychometric the measure for determining the professional competence of nursing faculty members. methods: the present research is the qualitative part of a sequential exploratory combined study of the co...

  Background: The current study aimed to develop a tool to assess the performance skills of Iranian children aged 5 to 7 years in order to evaluate their school competency based on the occupational therapy practice framework and to determine its validity.Materials and Methods: Performance skills are the cornerstone of the tool. The eight-step design process of Devellis was used to develop the t...

objectives: one of the problems in the process of assessment and evaluation, especially of clinical training in rehabilitation disciplines, is the lack of an instrument with objective criteria for evaluation. considering the effects of appropriate evaluation on quality assurance of clinical training, the aim of the present study was to design a valid and reliable tool for general evaluation of ...