the purpose of this study is to determine the relationship between employees’ perception of authentic leadership and their promotive psychological ownership and preventive psychological ownership. for this purpose, the survey-analytical method of research was used. population of this research consists of line staff of iran insurance company in tehran. a sample of 129 employees was selected rand...

Intra-specific aggressive interactions play a prominent role in the life of many animals. While studies have found evidence for repeatability boldness, activity, and exploration amphibians, we know relatively little about consistent among-individual variation aggressiveness, despite its importance male-male competition territoriality. Amphibians, Neotropical poison frogs (Dendrobatidae) particu...

Prescriptive jurisdiction of states is based on principles such as territoriality, nationality, passive universality, and protection. Although to prescribe limited the territory relevant State, geographic scope application any legislation can be determined in an extraterritorial manner. Regardless intense discussions this issue, prescriptive not considered a violation international law. Decisio...

For many species securing territories is important for feeding and reproduction. Factors such as competition, habitat availability, and male characteristics can influence an individual's ability to establish and maintain a territory. The risk of predation can have an important influence on feeding and reproduction; however, few have studied its effect on territoriality. We investigated territor...