background the 12-item general health (ghq-12) questionnaire is one of the most commonly used instruments in screening studies on mental health. objectives the current study aimed to examine the factor structure of the ghq-12 questionnaire among the students in iran. materials and methods it was a cross-sectional study in which 428 university students were recruited and completed the ghq-12. re...

This siudy reviews the literature surrounding leader-member exchange (LMX), proposes and tests antecedents of LMX. The intent is to clarify antecedents of LMX. The study uses a hospitality sample, as LMX is related to a wide range of constructs highly relevant for hospitality management. Following confirmatory factor analysis, the antecedents are tested using regression analysis, followed by pa...

In Year One of the Modelfest project, several laboratories collaborated to collect threshold data of human observers on 45 pattern stimuli. In this preliminary study, we used a principal component analysis (PCA) and a confirmatory factor analysis on the variations among observers to explore the underlying visual mechanisms for detecting Modelfest Stimuli. This analysis is based on the assumptio...

objectives: the prospective and retrospective memory questionnaire (prmq) developed by smith (2000) and consists of a series of questions about memory weakness that can be encountered anyone in everyday life. the self-reported questionnaire has 16 items that assessing of prospective and retrospective memory problems in everyday life and the aim of the present research was to examine the investi...

PURPOSE Teaching evaluation tools can be used to provide feedback to medical educators and help them improve their teaching skills. The purpose of this study was to develop a clinical teaching evaluation tool and test its efficacy. METHODS The draft tool was developed based on clinical education literature and was modified by the stakeholder groups. To examine the quality of the instrument, c...

Purpose: The present study investigated the psychometric properties of a Persian version self- reassurance/ self-criticism Inventory in the male and female teachers. Materials & Methods:  This study was of a validation type. The participants were 444 teachers selected through a multistage-cluster random sampling among the teachers in high school second period in the city of Bojnord of the ...

This paper explicitly examines the relationship that exists between Total Quality Management (TQM) and Environmentally Responsible Manufacturing (ERM) systems. It has been presumed in numerous past studies that such a relationship does exist. It has been argued that those firms that have successfuhy implemented a TQM system are better positioned to successfully implement an ERM system. This rel...

Although previous research has examined cross-cultural differences in personality, many of these studies neglected to first establish that the measures being used were equivalent in meaning across cultures. Using samples of Chinese, Greek, and American respondents, the measurement equivalence of the Big Five Mini-Markers [Saucier, G. (1994). Mini-markers: A brief version of Goldberg’s unipolar ...

Elementary and middle school children were given a large battery of tests evaluating reading subskills and reading-related cognitive abilities. These measures were used to define latent constructs representing skills and abilities believed to be important components of reading comprehension. Hypothesized relationships among these constructs were specified within the context of a structural mode...