Zoekresultaten

The design and usability testing of a mHealth application for supporting self-regulation of exercising older adults

Changing perspectives: enhancing learning efficacy with the after-action review in virtual reality training for police

The After-Action Review (AAR) in Virtual Reality (VR) training for police provides new opportunities to enhance learning. We investigated whether perspectives (bird’s eye & police officer, bird’s eye & suspect, bird’s eye) and line of fire displayed in the AAR impacted the officers’ learning efficacy. A 3 x 2 ANOVA revealed a significant main effect of AAR perspectives. Post hoc pairwise comparisons showed that using a bird’s eye view in combination with the suspect perspective elicits significantly greater learning efficacy compared to using a bird’s eye view alone. Using the line of fire feature did not influence learning efficacy. Our findings show that the use of the suspect perspective during the AAR in VR training can support the learning efficacy of police officers.Practitioner summary: VR systems possess After-Action Review tools that provide objective performance feedback. This study found that reviewing a VR police training scenario from the bird’s eye view in combination with the suspect perspective enhanced police officers’ learning efficacy. Designing and applying the After-Action Review effectively can improve learning efficacy in VR.

Effects of a school-wide anti-bullying program: Empower both students and teachers!

Effects of the Prima anti-bullying program on victimization, classroom peer context and defending behavior Marloes van Verseveld, Minne Fekkes, Ruben Fukkink & Ron Oostdam Background and aims Victimization among children is associated with adverse effects on their physical and psychological health and many schools attempt to reduce bullying. The Dutch school-wide anti-bullying program ‘Prima’ was developed based on techniques and scientific insights that are known to be effective. We investigate the effects of the Prima anti-bullying program on students’ victimization, defending behavior, and the classroom peer context in Grades 3-6. Methods The study participants included 4,368 students from 32 primary schools. The schools were randomly assigned to three conditions. Condition A was offered a teacher-training, an online screening tool for bullying behavior, and a set of practice- and evidence-based guidelines to deal with difficult bullying situations. Condition B included all of condition A plus a series of eight student lessons. Condition C was the control group. A questionnaire was filled out by the students before and after the intervention. Program effects were based on self- and peer-reports. Results Prima reduced students’ peer-reported victimization and the level of isolated students in the classroom. Students in the intervention conditions also reported significantly higher levels of self-efficacy to defend victimized students in their classroom compared to students in the control condition. A trend effect of Prima was observed for students who were nominated as defender of victimized students by peers. The intervention condition with student lessons showed larger effects. Conclusions Our results suggest that Prima reduced victimization in intervention schools, especially in intervention schools that provided student lessons about bullying. The positive outcomes support previous findings on the effectiveness of Prima. Furthermore, our study underlines the importance to include student lessons in whole school anti-bullying programs that focus on creating a positive group norm and pro-social and defending behaviors.

Who Can Say What? Testing the Impact of Interpersonal Mechanisms and Gender on Fairness Evaluations of Content Moderation

Content moderation is commonly used by social media platforms to curb the spread of hateful content. Yet, little is known about how users perceive this practice and which factors may influence their perceptions. Publicly denouncing content moderation—for example, portraying it as a limitation to free speech or as a form of political targeting—may play an important role in this context. Evaluations of moderation may also depend on interpersonal mechanisms triggered by perceived user characteristics. In this study, we disentangle these different factors by examining how the gender, perceived similarity, and social influence of a user publicly complaining about a content-removal decision influence evaluations of moderation. In an experiment (n = 1,586) conducted in the United States, the Netherlands, and Portugal, participants witnessed the moderation of a hateful post, followed by a publicly posted complaint about moderation by the affected user. Evaluations of the fairness, legitimacy, and bias of the moderation decision were measured, as well as perceived similarity and social influence as mediators. The results indicate that arguments about freedom of speech significantly lower the perceived fairness of content moderation. Factors such as social influence of the moderated user impacted outcomes differently depending on the moderated user’s gender. We discuss implications of these findings for content-moderation practices.

Attending the Dying: Images of Compassion

Reading a novel about a dying person and the people attending the dying, one can not only reflect upon the moral involvement between the literary characters depicted, but also upon the way in which the reader takes the position of a “bystander” in this scene. In two novels, The Death of Ivan Ilyich by Tolstoy and The Big Ward by the Dutch author Jacoba van Velde, this moral involvement can be interpreted as a form of “compassion”. Martha Nussbaum’s concept of “compassionate imagination” offers a perspective on the way in which the reader can be involved in this literary depiction of the dying. However, the Aristotelian criteria that Nussbaum proposes for the rational judgement of compassion and her ambitions that literature can “raise society’s floor” by developing “compassionate imagination” in readers, are difficult to apply to these specific cases. In comparing both novels, it is exactly the differences between them – the historical context and social classes depicted - that bring to light a problematic presupposition in Nussbaum, namely the a-historical universality in the compassionate involvement. A re-interpretation of one of the Aristotelian criteria for compassion leaves room for a “compassionate imagination” not based on a rational judgement but on a sense of shared vulnerability that is precisely evoked by the literary depiction of the dying.

Characteristics of surfers as bystander rescuers in Europe

Introduction Coastal locations contribute significantly to global drowning, with surfers frequently conducting rescues. This study explored the characteristics of surfers as bystander rescuers in Europe. Methods A cross-sectional online survey collected demographics (age, sex, geographical location), surfing experience, ability, lifesaving and cardiopulmonary resuscitation (CPR) training, information seeking behaviors and previous performance of a rescue. Analyses comprised descriptive frequencies, binomial logistic regression with adjusted odds ratio (AOR) (95% confidence interval [CI]) and chi-squares (p < .05). Results Europe-dwelling respondents totaled 1705 (76% male; 43% 25–34 years). Thirty-nine percent (39.2%; n = 668) had previously performed a rescue. Likelihood of having conducted a rescue significantly increased with 6 or more years of surfing experience (6–10 years [AOR = 1.96; 95%CI: 1.20–3.22]; 11–15 years [AOR = 3.26; 95%CI: 1.56–6.79]; 16 years or more [AOR = 4.27; 95%CI: 2.00–9.11]) when compared to surfers with <1 year experience. Expert/professional ability surfers were 10.89 times (95%CI: 4.72–25.15) more likely to have conducted a rescue than novice/beginners. Respondents who had received both a certified lifeguard and CPR course were significantly more likely to have conducted a rescue (AOR = 3.34; 95%CI: 2.43–4.60). Conclusion Surfers who had previously conducted rescues commonly had more years of experience, higher self-rated surf ability and greater likelihood of having received certified training. However, not all surfers who have performed rescues had received training. Findings suggest surfers should receive rescue and CPR training before they start surfing at locations without trained supervision and refresh training regularly. Surfers are amenable to injury prevention information, especially online and via apps.