TY - JOUR A1 - Ndashimye, Felix A1 - Hebie, Oumarou A1 - Tjaden, Jasper T1 - Effectiveness of WhatsApp for measuring migration in follow-up phone surveys BT - lessons from a mode experiment in two low-income countries during COVID contact restrictions JF - Social science computer review N2 - Phone surveys have increasingly become important data collection tools in developing countries, particularly in the context of sudden contact restrictions due to the COVID-19 pandemic. So far, there is limited evidence regarding the potential of the messenger service WhatsApp for remote data collection despite its large global coverage and expanding membership. WhatsApp may offer advantages in terms of reducing panel attrition and cutting survey costs. WhatsApp may offer additional benefits to migration scholars interested in cross-border migration behavior which is notoriously difficult to measure using conventional face-to-face surveys. In this field experiment, we compared the response rates between WhatsApp and interactive voice response (IVR) modes using a sample of 8446 contacts in Senegal and Guinea. At 12%, WhatsApp survey response rates were nearly eight percentage points lower than IVR survey response rates. However, WhatsApp offers higher survey completion rates, substantially lower costs and does not introduce more sample selection bias compared to IVR. We discuss the potential of WhatsApp surveys in low-income contexts and provide practical recommendations for field implementation. KW - WhatsApp KW - survey mode KW - migration KW - Covid KW - phone Y1 - 2022 U6 - https://doi.org/10.1177/08944393221111340 SN - 0894-4393 SN - 1552-8286 PB - Sage CY - Thousand Oaks ER - TY - JOUR A1 - Syed, Moin A1 - Santos, Carlos A1 - Yoo, Hyung Chol A1 - Juang, Linda P. T1 - Invisibility of racial/ethnic minorities in developmental science BT - Implications for Research and Institutional Practices JF - American Psychologist N2 - García Coll et al.’s (1996)integrative model was a landmark article for developmentalscience, and for psychology more broadly, in outlining the multitude of social and culturalfactors at play when seeking to understand the development of racial/ethnic minority children.The time is ripe to not only take stock of those advances but also evaluate the integrativemodel in the context of present-day research practice within developmental psychology, andpsychology more broadly. The purpose of this article is to bring a systemic perspective todevelopmental science through a discussion of current practices in the field. To do so, weexamineinvisibility, or how dominant practices serve to overlook, silence, or dismissknowledge produced by and for racial/ethnic minority populations. Guided by the interpretiveframework of intersectionality (Crenshaw, 1991), we discuss three key questions: Fromwhose vantage point is research conducted? What types of questions are valued? And whogets left out? We then conclude with recommendations for changes in practices for individ-uals, institutions, and the field at large. Importantly, although our analysis is largely groundedin research and practices in developmental psychology, it is also highly relevant to psycho-logical science as a whole. KW - developmental psychology KW - race/ethnicity KW - intersectionality KW - invisibilities Y1 - 2017 U6 - https://doi.org/10.1037/amp0000294 SN - 0003-066X SN - 1935-990X VL - 73 IS - 6 SP - 812 EP - 826 PB - American Psychological Association CY - Washington ER - TY - JOUR A1 - Lilliestam, Johan A1 - Melliger, Marc André A1 - Ollier, Lana A1 - Schmidt, Tobias S. A1 - Steffen, Bjarne T1 - Understanding and accounting for the effect of exchange rate fluctuations on global learning rates JF - Nature energy N2 - Learning rates are a central concept in energy system models and integrated assessment models, as they allow researchers to project the future costs of new technologies and to optimize energy system costs. Here we argue that exchange rate fluctuations are an important, but thus far overlooked, determinant of the learning-rate variance observed in the literature. We explore how empirically observed global learning rates depend on where technologies are installed and which currency is used to calculate the learning rate. Using global data of large-scale photovoltaic (>= 5 MW) plants, we show that the currency choice can result in learning-rate differences of up to 16 percentage points. We then introduce an adjustment factor to correct for the effect of exchange rate and market focus fluctuations and discuss the implications of our findings for innovation scholars, energy modellers and decision makers.
Learning rates are a measure of reduction in costs of energy from technologies such as solar photovoltaics. These are often estimated internationally with all monetary figures converted to a single currency, often US dollars. Lilliestam et al. show that such conversions can significantly affect the learning rate estimates. Y1 - 2020 U6 - https://doi.org/10.1038/s41560-019-0531-y SN - 2058-7546 VL - 5 IS - 1 SP - 71 EP - 78 PB - Nature Publishing Group CY - Berlin ER - TY - JOUR A1 - Ollier, Lana A1 - Melliger, Marc André A1 - Lilliestam, Johan T1 - Friends or foes? BT - Political synergy or competition between renewable energy and energy efficiency policy JF - Energies : open-access journal of related scientific research, technology development and studies in policy and management N2 - Energy efficiency measures and the deployment of renewable energy are commonly presented as two sides of the same coin-as necessary and synergistic measures to decarbonize energy systems and reach the temperature goals of the Paris Agreement. Here, we quantitatively investigate the policies and performances of the EU Member States to see whether renewables and energy efficiency policies are politically synergistic or if they rather compete for political attention and resources. We find that Member States, especially the ones perceived as climate leaders, tend to prioritize renewables over energy efficiency in target setting. Further, almost every country performs well in either renewable energy or energy efficiency, but rarely performs well in both. We find no support for the assertion that the policies are synergistic, but some evidence that they compete. However, multi-linear regression models for performance show that performance, especially in energy efficiency, is also strongly associated with general economic growth cycles, and not only efficiency policy as such. We conclude that renewable energy and energy efficiency are not synergistic policies, and that there is some competition between them. KW - energy efficiency KW - renewable energy KW - climate policy KW - policy cycle KW - EU KW - policy competition Y1 - 2020 U6 - https://doi.org/10.3390/en13236339 SN - 1996-1073 VL - 13 IS - 23 PB - MDPI CY - Basel ER - TY - JOUR A1 - Köster, Antonia A1 - Matt, Christian A1 - Hess, Thomas T1 - Do all roads lead to Rome? BT - exploring the relationship between social referrals, referral propensity and stickiness to video-on-demand websites JF - Business and Information Systems Engineering N2 - Content website providers have two main goals: They seek to attract consumers and to keep them on their websites as long as possible. To reach potential consumers, they can utilize several online channels, such as paid search results or advertisements on social media, all of which usually require a substantial marketing budget. However, with rising user numbers of online communication tools, website providers increasingly integrate social sharing buttons on their websites to encourage existing consumers to facilitate referrals to their social networks. While little is known about this social form of guiding consumers to a content website, the study proposes that the way in which consumers reach a website is related to their stickiness to the website and their propensity to refer content to others. By using a unique clickstream data set of a video-on-demand website, the study compares consumers referred by their social network to those consumers arriving at the website via organic search or social media advertisements in terms of stickiness to the website (e.g., visit length, number of page views, video starts) and referral likelihood. The results show that consumers referred through social referrals spend more time on the website, view more pages, and start more videos than consumers who respond to social media advertisements, but less than those coming through organic search. Concerning referral propensity, the results indicate that consumers attracted to a website through social referrals are more likely to refer content to others than those who came through organic search or social media advertisements. The study offers direct insights to managers and recommends an increase in their efforts to promote social referrals on their websites. KW - social referrals KW - organic search KW - social media advertising KW - website stickiness KW - referral propensity Y1 - 2020 U6 - https://doi.org/10.1007/s12599-020-00660-1 SN - 1867-0202 VL - 63 SP - 349 EP - 366 PB - Springer CY - Wiesbaden ER - TY - JOUR A1 - Dörfler, Thomas T1 - Why rules matter: shaping security council sanctions policy in counterterrorism and beyond JF - Journal of global security studies N2 - Sanctions are critical to the Security Council's efforts to fight terrorism. What is striking is that the Council's sanctions regimes are subject to detailed sets of rules and decision criteria. The scholarship on human rights in counterterrorism assumes that rights advocacy and court litigation have prompted this development. The article complements this literature by highlighting an unexplored internal driver of legal-regulatory decision-making and explores how mixed-motive interest constellations among Security Council members have affected the extent of committee regulations and the content of decisions taken by sanctions committees. Based on internal documents and diplomatic cables, a comparative analysis of the Iraq sanctions regime and the counterterrorism sanctions regime demonstrates that mixed-motive interest constellations among Security Council members provide incentives to elaborate rules to guide decision-making resulting in legal-regulatory sanctions governance, even if the human rights of targeted individuals are not at stake. For comparative leverage and to assess the limits of the proposed mechanism, the analysis is briefly extended to other sanctions regimes targeting individuals (Democratic Republic of the Congo and Sudan). The findings have implications for this essential tool of the Security Council to react to threats to peace as diverse as counterterrorism, nonproliferation, and internal armed conflict. N2 - Les sanctions jouent un rôle essentiel dans la lutte du Conseil de sécurité contre le terrorisme. Ce qui est frappant, c'est que les régimes de sanctions du Conseil sont soumis à un ensemble détaillé de règles et de critères de décision. La recherche sur les droits de l'homme dans le cadre de la lutte contre le terrorisme suppose que la défense des droits et les litiges devant les tribunaux sont à l'origine de cet état de fait. L'article vient compléter cette littérature en soulignant un facteur interne inexploré dans la prise de décisions légales/réglementaires. Il analyse les répercussions des constellations de divers intérêts chez les membres du Conseil de sécurité sur l’étendue des réglementations de comité et le contenu des décisions prises par les comités de sanctions. En s'appuyant sur des documents internes et des câbles diplomatiques, une analyse comparative du régime de sanctions de l'Irak et du régime de sanctions de lutte contre le terrorisme démontre que ces constellations de divers intérêts chez les membres du Conseil de sécurité motivent l’élaboration de règles pour guider la prise de décisions débouchant sur une gouvernance de sanctions légales/réglementaires, même quand les droits de l'homme des personnes ciblées ne sont pas en jeu. À des fins de comparaison, et pour évaluer les limites du mécanisme proposé, l'analyse fait l'objet d'un bref élargissement à d'autres régimes de sanctions ciblant des personnes (RDC et Soudan). Les conclusions s'accompagnent d'implications pour cet outil essentiel du Conseil de sécurité dans la réaction aux menaces pour la paix : lutte contre le terrorisme, non-prolifération et conflit armé interne. N2 - Las sanciones son fundamentales para los esfuerzos del Consejo de Seguridad en la lucha contra el terrorismo. Lo sorprendente es que los regímenes de sanciones del Consejo están sujetos a detallados conjuntos de normas y criterios de decisión. Los académicos especializados en cuestión de derechos humanos en la lucha antiterrorista parten de la base de que la defensa de los derechos y los litigios ante los tribunales han impulsado esta tendencia. Este artículo complementa esta bibliografía poniendo de relieve un impulsor interno inexplorado de la toma de decisiones jurídico-normativas y analiza cómo las constelaciones de intereses de motivación mixta entre los miembros del Consejo de Seguridad han afectado al alcance de las normativas de los comités y al contenido de las decisiones adoptadas por los comités de sanciones. Basándose en documentos internos y telegramas diplomáticos, un análisis comparativo del régimen de sanciones contra Irak con el régimen de sanciones antiterroristas demuestra que las constelaciones de intereses de motivación mixta entre los miembros del Consejo de Seguridad proporcionan incentivos para la elaboración de normas que guíen la toma de decisiones dando lugar a una gobernanza jurídica-normativa de las sanciones, aun cuando no estén en juego los derechos humanos de las personas sancionadas. A efectos comparativos y con el fin de evaluar los límites del mecanismo propuesto, el análisis se amplía someramente a otros regímenes de sanciones dirigidos a individuos (RDC y Sudán). Las conclusiones tienen implicaciones para esta herramienta esencial del Consejo de Seguridad a fin de reaccionar ante amenazas a la paz tan diversas como la lucha antiterrorista, la no proliferación y los conflictos armados internos. KW - Security Council KW - committee governance KW - UN sanctions KW - due process KW - counterterrorism KW - Iraq KW - Conseil de sécurité KW - gouvernance de comité KW - sanctions de l’ONU KW - procédure officielle KW - lutte contre le terrorisme KW - Irak KW - Consejo de Seguridad KW - Gobernanza de los Comités KW - Sanciones de la ONU KW - Proceso debido KW - Lucha antiterrorista KW - Irak Y1 - 2023 U6 - https://doi.org/10.1093/jogss/ogac041 SN - 2057-3170 SN - 2057-3189 VL - 8 IS - 1 PB - Oxford University Press CY - Oxford ER - TY - JOUR A1 - Schuster, Isabell A1 - Tomaszewska, Paulina A1 - Marchewka, Juliette A1 - Krahé, Barbara T1 - Does question format matter in assessing the prevalence of sexual aggression? BT - A methodological study JF - The journal of sex research N2 - As research on sexual aggression has been growing, methodological issues in assessing prevalence rates have received increased attention. Building on work by Abbey and colleagues about effects of question format, participants in this study (1,253; 621 female; 632 male) were randomly assigned to one of two versions of the Sexual Aggression and Victimization Scale (SAV-S). In Version 1, the coercive tactic (use/threat of physical force, exploitation of the inability to resist, verbal pressure) was presented first, and sexual acts (sexual touch, attempted and completed sexual intercourse, other sexual acts) were presented as subsequent questions. In Version 2, sexual acts were presented first, and coercive tactics as subsequent questions. No version effects emerged for overall perpetration rates reported by men and women. The overall victimization rate across all items was significantly higher in the tactic-first than in the sexual-act-first conditions for women, but not for men. Classifying participants by their most severe experience of sexual victimization showed that fewer women were in the nonvictim category and more men were in the nonconsensual sexual contact category when the coercive tactic was presented first. Sexual experience background did not moderate the findings. The implications for the measurement of self-reported sexual aggression victimization and perpetration are discussed. KW - self-report measures KW - experiences survey KW - risk-factors KW - victimization KW - rape KW - assault KW - women KW - perpetration KW - reliability KW - responses Y1 - 2020 U6 - https://doi.org/10.1080/00224499.2020.1777927 SN - 0022-4499 SN - 1559-8519 VL - 58 IS - 4 SP - 502 EP - 511 PB - Routledge, Taylor & Francis Group CY - Abingdon ER - TY - JOUR A1 - Tomaszewska, Paulina A1 - Schuster, Isabell T1 - Comparing sexuality-related cognitions, sexual behavior, and acceptance of sexual coercion in dating app users and non-users JF - Sexuality research & social policy N2 - Using dating apps has become popular for many young adults worldwide, promising the chance to meet new sexual partners. Because there is evidence that using dating apps may be associated with risky sexual behavior, this study compared users and non-users concerning their sexuality-related cognitions, namely their risky sexual scripts and sexual self-esteem, as well as their risky and sexually assertive behavior. It also explored the link between dating app use and acceptance of sexual coercion. A total of 491 young heterosexual adults (295 female) participated in an online survey advertised in social media and college libraries in Germany. Results indicated that users had more risky sexual scripts and reported more risky sexual behavior than non-users. Furthermore, male dating app users had lower sexual self-esteem and higher acceptance of sexual coercion than male non-users. In both gender groups, dating app use predicted casual sexual activity via a more risky casual sex script. Gender differences, potential underlying mechanisms, and directions for future research are discussed. KW - dating app use KW - sexual scripts KW - sexual behavior KW - acceptance of sexual KW - coercion KW - young adults Y1 - 2019 U6 - https://doi.org/10.1007/s13178-019-00397-x SN - 1868-9884 SN - 1553-6610 VL - 17 IS - 2 SP - 188 EP - 198 PB - Springer CY - New York ER - TY - JOUR A1 - Hartmann, Eddie A1 - Lang, Felix A1 - Arneth, Sabrina T1 - Eskalation in Tweets BT - die Rolle sozialer Medien JF - Schriftenreihe der Bundeszentrale für politische Bildung Y1 - 2023 SN - 978-3-7425-1043-3 VL - 11043 SP - 108 EP - 118 PB - Bundeszentrale für politische Bildung CY - Bonn ER - TY - JOUR A1 - Kalleitner, Fabian A1 - Bobzien, Licia T1 - Taxed fairly? BT - how differences in perception shape attitudes towards progressive taxation JF - European sociological review N2 - Empirically, the poor are more likely to support increases in the level of tax progressivity than the rich. Such income-stratified tax preferences can result from differences in preferences of what should be taxed as argued by previous literature. However, it may also result from income-stratified perceptions of what is taxed. This paper argues that the rich perceive higher levels of tax progressivity than the poor and that tax perceptions affect individuals’ support for progressive taxation. Using data from an Austrian survey experiment, we test this argument in three steps: First, in line with past research, we show that individuals’ income positions are connected to individuals’ tax preferences as a self-interest rationale would predict. However, second, we show that this variation is mainly driven by income-stratified tax perceptions. Third, randomly informing a subset of the sample about actual tax rates, we find that changing tax perceptions causally affects support for redistributive taxation among those who initially overestimated the level of tax progressivity. Our results indicate that tax perceptions are relevant for forming tax preferences and suggest that individuals are more polarized in their perceptions of who pays how much taxes than in their support for who should pay how much tax. Y1 - 2023 U6 - https://doi.org/10.1093/esr/jcad060 SN - 0266-7215 SN - 1468-2672 VL - 40 IS - 3 SP - 535 EP - 548 PB - Oxford University Press CY - Oxford ER -