Dr. Klocke erforscht derzeit, wie sexuelle und geschlechtliche Vielfalt in Schulen und Gesellschaft akzeptiert und gelebt werden kann — mit Fokus auf Einstellungen von Lehrkräften, Schüler:innen und der Bevölkerung sowie auf wirksame Interventionen gegen Diskriminierung. Seine aktuelle Arbeit (2024–2026) dokumentiert systematisch Maßnahmen gegen Queerfeindlichkeit in Deutschland und bewertet deren Effektivität. Für Schulen und Bildungsträger liefert er empirisch fundierte Erkenntnisse darüber, wie pädagogische Fachkräfte sexuelle und geschlechtliche Vielfalt thematisieren können, ohne Widerstände zu verstärken — und wie Kontakt zwischen Schüler:innen und marginalisierten Gruppen (etwa Geflüchtete) Vorurteile abbaut. Seine Methode verbindet Feldexperimente, Befragungen und Evaluationen von realen Schulprogrammen.
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Dr. rer. nat. Ulrich Klocke
HU-FIS-Profil ↗Zeitraum: 06/2004 - 12/2005 Projektleitung: Dr. rer. nat. Ulrich Klocke
Zeitraum: 01/2005 - 06/2010 Projektleitung: Dr. rer. nat. Ulrich Klocke
Zeitraum: 06/2006 - 12/2007 Projektleitung: Dr. rer. nat. Ulrich Klocke
We performed an empirical study to investigate whether the context of interruptions makes a difference. We found that context does not make a difference but surprisingly, people completed interrupted tasks in less time with no difference in quality. Our data suggests that people compensate for interruptions by working faster, but this comes at a price: experiencing more stress, higher frustration, time pressure and effort. Individual differences exist in the management of interruptions: personality measures of openness to experience and need for personal structure predict disruption costs of interruptions. We discuss implications for how system design can support interrupted work.
Personality and Social Psychology Bulletin · DOI
Previous research has shown that (a) positive intergroup contact with an advantaged group can discourage collective action among disadvantaged-group members and (b) positive intergroup contact can encourage advantaged-group members to take action on behalf of disadvantaged outgroups. Two studies investigated the effects of negative as well as positive intergroup contact. Study 1 ( n = 482) found that negative but not positive contact with heterosexual people was associated with sexual-minority students' engagement in collective action (via group identification and perceived discrimination). Among heterosexual students, positive and negative contacts were associated with, respectively, more and less LGB (lesbian, gay, bisexual) activism. Study 2 ( N = 1,469) found that only negative contact (via perceived discrimination) predicted LGBT (lesbian, gay, bisexual, and transgender) students' collective action intentions longitudinally while only positive contact predicted heterosexual/cisgender students' LGBT activism. Implications for the relationship between intergroup contact, collective action, and social change are discussed.
Small Group Research · DOI
Decision-making groups are often biased in favor of shared information (sharedness bias) and in favor of its members' initial preferences (preference bias). The present experiment aimed at analyzing both biases at the group level (communication of information and preferences) and at the individual level (evaluation of information) simultaneously. Two interventions were evaluated, each focusing on one of the two biases and illustrating it with a group exercise. The interventions enhanced the amount of discussed information and reduced the preference bias but had no effects on decision quality. Dissent (diversity in members' initial preferences) enhanced the preference bias in information exchange but reduced both biases in information evaluation and improved decision quality when no intervention was applied. Decision quality correlated with individual-level processes but not with group-level processes.