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Teenagers are typically described as impulsive and risk taking. Yet recent research shows that this observation does not hold in all contexts. Rather, adolescents show higher impulsivity and risk taking than children or adults in affective contexts. Motivational and affective processes are therefore of particular interest when trying to understand typical adolescent behavior. Additionally, pubertal hormones are hypothesized to play a special role in adolescents’ motivated decision making. However, evidence for the mechanisms underlying this relationship is sparse. In this chapter, we aim to integrate findings from human and animal studies in order to elucidate the specific impact of pubertal hormones on motivational processes in adolescence. Against this background, we critically discuss and reinterpret recent findings in psychology and neuroscience, speculate about underlying mechanisms, and suggest new approaches for future studies of adolescent behavior.

Machiavellian, narcissistic, and psychopathic traits are often viewed as negative or undesirable personality traits. However, recent research demonstrates that individuals with these traits possess qualities that may be personally beneficial within the business contexts. In this chapter, we conceptualize a balanced perspective of these traits throughout the entrepreneurial process (opportunity recognition, opportunity evaluation, and opportunity exploitation) and discuss human resources management strategies that can be employed to enhance the benefits, or minimize the challenges, associated with Machiavellian, narcissistic, and psychopathic traits. Specifically, we propose that Machiavellian qualities are most beneficial in the evaluation stage of entrepreneurship, and Machiavellian, narcissistic, and psychopathic qualities are beneficial in the exploitation stage of entrepreneurship.

Stress and the military go hand-in-hand, particularly in combat environments. While some personality traits or types weaken relationships between stress and performance, others, such as psychopathy, may strengthen them. In the present chapter, we consider the ramifications of individuals with high levels of psychopathy or psychopathic tendencies in the military with regard to both their own stress and performance and that of those around them. We discuss different reactions to psychological and physical stress, as well as the implications of psychopathic tendencies as they relate to current military issues, including gender, leadership, teamwork, turnover, post-traumatic stress disorder, and suicide. By juxtaposing relevant research findings on stress and psychopathy, we conclude that psychopathic tendencies should have neither uniformly negative nor positive effects on stress and performance in the military. Rather, effects on such individuals and the peripheral others with whom they interact will likely vary greatly depending on numerous factors.

Among psychiatric illnesses, genetically determined disorders usually have an early onset and a severe and complicated course. Gene–environmental interaction is of importance for aggressive impulsive behaviour. For example, alcoholism type II has a high family loading, a severe course, and is often associated with antisocial behaviour. In order to gain further understanding of aggressive and impulsive behaviour, genes determining serotonin metabolism, neurosteroids and carbohydrate metabolism should be of interest to investigate. Furthermore, modern brain-imaging studies will reveal the site of action of aggressiveness and impulsivity. Within brain regions of interest, biological studies will promote our knowledge of this deleterious behaviour.

This chapter explores the relationship between impulsive online purchasing and the features of online consumers.

The data was collected through a survey questionnaire using the purposive sample of 240 Croatian consumers from the Dubrovnik-Neretva County. The data was analysed using factor analysis and one-way analysis of variance.

Research results indicate that Croatian online consumers are influenced by two major factors, impulsiveness and recreational factor. Based on the obtained results, profiles of Croatian online consumers can be identified.

The sample contained Internet users from one Croatian county only, which possibly limits the generalisation of the findings. Future research should include Internet users from other Croatian counties, as well as their socio-economic characteristics.

The findings may be useful to online retailers, as well as marketers and practitioners to recognise and understand the determinants of online purchasing behaviour in order to convert casual online visitors to buyers and to encourage impulsivity in online buying behaviour.

The research provides new insights into impulsive purchasing behaviour of Croatian consumers in the online retailing environment.

The purpose of this study was to explore how mothers with an ADHD child living in the household experience, perceive, and manage family communication.

A qualitative research design study was employed where in-depth interviews were conducted amongst nine married mothers who have an ADHD child.

Three themes emerged from the interview data: managing internal relations, managing stigma, and difficulties in managing the communication process. Mothers communicate with their ADHD child differently than their non-ADHD children, as conversations with the ADHD child are often unpredictable, negative, and erratic. They specifically experience these conversation patterns when giving directions, during times of discipline, and when the child acts impulsively or cannot focus.

Mothers are not always open about their child’s ADHD with nonfamily members as they are afraid of the stigma that is attached to the condition. Mothers recognize the difficulties in the communication process as they spend a considerable amount of time on their child’s ADHD issues, and their time given to others in the family may be compromised. They also recognize that because of the amount of stress and emotional burnout they feel from having an ADHD child, they need emotional and pragmatic support from family, friends, and professionals. The mothers who receive the least amount of emotional support from their spouses also feel the highest amounts of stress.

In order to gain a rich understanding of the phenomenon of cyberbullying among college students, we conducted a series of focus groups on the campus of a large southwestern university. Employing a grounded theory approach to the data analysis, major themes emerged. The roles of sender, receiver, and audience member are very fluid in the cyber-environment. Misinterpretation and miscommunication can result in unintentional cyberbullying; audience comments can easily escalate a benign comment into a major incident. Focus group participants generally believed that the receiver's interpretation rather than the intent of the sender determines whether a communication constitutes cyberbullying. Because of the potential for misinterpretation of messages, anyone can be a (perhaps unintentional) cyberbully. Participants believed that the anonymity of the Internet encouraged cyberbullying, as did the desire for instant gratification and impulsivity. Students who are different in some way (race, ethnicity, sexual orientation, religion, and appearance) are perceived as being more vulnerable to being victimized in cyberspace, and students with high profiles (e.g., athletes and student government officers) were also noted as likely targets. Despite being able to describe the dynamics of cyberbullying in detail and provide numerous examples of it happening in the campus community, members of the focus groups were reluctant to characterize cyberbullying as a problem at their university and uncertain whether the university should intervene. They did, however, offer many suggestions that will be useful to universities seeking to develop policies, educational programs, and intervention strategies for their campuses.

This chapter describes a research study in which data about the uses of Facebook by higher education students were gathered simultaneously with measurements of a set of psychological dimensions (personal and collective self-esteem, self-concept, general self-efficacy, satisfaction with social support and with academic life, and several aspects of academic experiences: interpersonal, career, institutional, personal and course satisfaction). The final result of the study is a path model inspired on the structural model proposed by Mazman and Usluel (2010) in which the psychological variables that have a significant influence on the academic use of Facebook were incorporated. A positive total effect of identity collective self-esteem in the educational use of Facebook was found and a negative total effect was found for public collective self-esteem in the educational usage of Facebook (EUF). Institutional adaptation proved to have a significant positive total effect on students’ willingness to use Facebook for educational purposes. Satisfaction with life was not a direct predictor of the educational use of Facebook. However, it was a direct predictor of the use of Facebook for work-related purposes, which was the strongest predictor of educational use of Facebook. Therefore, although the effect of satisfaction with life in the educational use of Facebook was only indirect, it was nevertheless positive and statistically significant.