background and objectives: this study was designed to investigate the association between parental behavior and the dietary intake of tehranian preschool children aged 2-6 years. materials and methods: in a cross-sectional study conducted on 310 children aged 2-6 years from the kindergartens of 22 districts of tehran, a qualitative validated 85-item food frequency questionnaire was completed by...

one of the high citation researches surrounding model of transformational leadership's impact on organizational citizenship behavior has been conducted by podsakoff, mackenzie, moorman and fetter (1990). using structural equation modeling, current study aims at testing this model and also 4 other models in schools on a sample including 652 teachers and 131 principals. results showed that p...

organizational citizenship behavior drew a great attention from researchers recent years. impression management usually consider as a behavior in contrast with ocb. so finding a relation between these two apparently opposite variable could reveal their concealed aspects. in this paper researchers are trying to find the impact of three impression management tactics including supervisor focused t...

While some information modeling approaches (e.g. the Relational Model, and Object-Role Modeling) are typically formalized using first-order logic, other approaches to information modeling include support for higher-order types. There appear to be three main reasons for requiring higher-order types: (1) to permit instances of categorization types to be types themselves (e.g. the Unified Modeling...

The paper aims to discuss strengths and weaknesses of using Object Role Modeling (ORM) and UML Class Diagrams for conceptual modeling of Topic Maps. Established evaluation criteria for conceptual modeling languages are used to compare Topic Map ontology modeling with ORM and UML, to try to find if ORM is a good alternative to UML. The paper discusses a few extensions to simplify viewing ORM dia...

Business rules should first be specified at the conceptual level, using concepts and languages easily understood by the business domain experts who are best qualified to validate the rules. This paper focuses on the verbalization of static business rules (i.e. constraints and derivation rules that apply to individual states of the business), ignoring dynamic rules relating to state transitions ...

background: academic optimism about teachers is a new construct. the objective of this study was investigation of primary school teachers' academic optimism and organizational citizenship behavior in shiraz city. methods: the method of this study was descriptive and correlational study. the population of this study were all teachers (men and women) working in the 1391-1392 school year in public...

PURPOSE To measure trainees' exposure to negative and positive role-modeling for responding to medical errors and to examine the association between that exposure and trainees' attitudes and behaviors regarding error disclosure. METHOD Between May 2011 and June 2012, 435 residents at two large academic medical centers and 1,187 medical students from seven U.S. medical schools received anonymo...