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...

dementia is a syndrome encompassing many intellectual domains that can be broadly defined as an overall decline in intellectual function including difficulties with language, simple calculations, planning and judgment and motor skills as well as loss of memory. a genetic cause is identified in only a minority of patients, but patients and their family members are frequently concerned about the ...

The distinction between hedonic (i.e., subjective well-being) and eudaimonic (i.e., psycho-social functioning) components of well-being is questioned by some researchers on the grounds that these two aspects of well-being are highly correlated. However, I argue that previous research has relied on confirmatory factor analysis (CFA), which is likely to overestimate interfactor correlations, beca...

gaucher disease (gd) is the most common type of lysosomal storage disorder and it is divided into three distinct subtypes. the authors here report four different cases of gaucher disease, with varying clinical manifestations, and the diagnosis of each established by the low level of beta-glucosidase enzyme as well as genetic dna testing. the study also highlights the importance of early diagnos...

This study postulates that tourism development (TD) and residents' quality of life (QoL) may have an intrinsically reciprocal relationship. More particularly, the study examines the relationship between TD and QoL for the island of Aruba, with economic development as a mediating variable. This investigation contributes to the literature by expanding our understanding of the development goal, an...

This article explores the relationship between the coping resources (as measured by the Coping Resources Inventory) and personality types (as measured by the Myers-Briggs Type Indicator) of a sample of 49 secondary school teachers in Gauteng. The results indicate that personality types differ in terms of the level of their coping resources and that the participants’ personality types have a sig...

In the definition of domain-specific languages a MOF metamodel is used to define the main types of its abstract syntax, and OCL invariants are used to add semantic constraints. The semantics of a metamodel definition can be given as a model type whose values are well-formed models. A model is said to conform to its metamodel when it is a value of the corresponding model type. However, when OCL ...

The study investigated the relationship between coping strategies and psychological well-being among parents with Down syndrome children. The sample comprised of 120 parents (60 fathers, 60 mothers of diagnosed 60 children with Down syndrome) collected through purposive sampling. The study was an exploratory study and used co-relational research design. The study planned to investigate all poss...

To date, no studies have examined loneliness in Chinese patients with substance use disorders. This study determined the prevalence and socio-demographic and clinical correlates of loneliness and its impact on quality of life (QOL) in Chinese heroin-dependent patients (HDPs) receiving methadone maintenance treatment (MMT). A total of 603 HDPs were consecutively recruited from three city-owned M...

Laughter has been associated with a number of physiological and psychological benefits. Laughter yoga (LY) is a contemporary technique that encourages participants to mimic the act of laughing, with the goal of achieving positive psychological outcomes. This paper describes an exploratory pilot study to evaluate the effect of a single LY class on the psychological well-being of people who atten...