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Dive into the research topics where Mirjam Galetzka is active.

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Featured researches published by Mirjam Galetzka.


Lighting Research & Technology | 2013

Lighting affects students’ concentration positively: findings from three Dutch studies

P.J.C. Sleegers; Nienke Moolenaar; Mirjam Galetzka; Adriaan T.H. Pruyn; B.E. Sarroukh; B. van der Zande

The importance of lighting for performance in human adults is well established. However, evidence on the extent to which lighting affects the school performance of young children is sparse. This paper evaluates the effect of lighting conditions (with vertical illuminances between 350 lux and 1000 lux and correlated colour temperatures between 3000 and 12 000 K) on the concentration of elementary school children in three experiments. In the first two experiments, a flexible and dynamic lighting system is used in quasi-experimental field studies using data from 89 pupils from two schools (Study 1) and 37 pupils from two classrooms (Study 2). The third experiment evaluated two lighting settings within a school-simulating, windowless laboratory setting (n = 55). The results indicate a positive influence of the lighting system on pupils’ concentration. The findings underline the importance of lighting for learning. Several suggestions are made for further research.


Clinical Rheumatology | 2008

Limited results of group self-management education for rheumatoid arthritis patients and their partners: Explanations from the patient perspective.

Christina Bode; Erik Taal; Pascale A. A. Emons; Mirjam Galetzka; Johannes J. Rasker; Mart A F J van de Laar

This study aimed to identify the reasons for limited results of group self-management for RA patients and their partners from the patient perspective. Semi-structured interviews with ten male and ten female patients who had participated in group self-management with or without their partner were content analyzed with respect to motivation to participate and the effects of the program on them. The limited effects of the self-management program appear to be linked with low motivation to participate and to change health behavior. The data show that a decline in health and also stressful life events might be associated with the disappointing effects of the program. Three strategies were proposed for improving the program’s effects: (a) provide information about the program in advance to ensure that patients have appropriate expectations. (b) Enhance intrinsic motivation to change health behavior by counseling techniques. (c) Tailoring with respect to motivation and current concerns could help to form more homogeneous groups or could be the basis for a tailored online intervention.


Government Information Quarterly | 2008

Showing results? An analysis of the perceptions of internal and external stakeholders of the public performance communication by the Belgian and Dutch Railways

Dave Gelders; Mirjam Galetzka; Jan Pieter Verckens; E.R. Seydel

Information Quarterly, 15: 153–156). In Belgium and the Netherlands, one Performance measurement and communicating about it with the broader public is not self-evident if one looks at public services organizations (Hernon, 1998 P. Hernon, The government performance and results act. Government Information Quarterly, 15 (1998), pp. 153–156. Article | PDF (275 K) | | View Record in Scopus | | Cited By in Scopus (3)Hernon, P., 1998. The government performance and results act. Government Information Quarterly, 15: 153–156). In Belgium and the Netherlands, one organization that has been under constant surveillance from its stakeholders is the railroad company. Originally a national public service, it has changed through a European directive to operate in a liberalized transportation market. In this paper, we present the results of a qualitative study into what the Belgian and Dutch railway companies measure about their performance towards travelers, how they measure it, and specifically how they communicate it to their employees and stakeholders. Although we might expect the Dutch railway company (NS) to be more transparent than the Belgian railway company (NMBS/SNCB), in reality the two organizations do not differ that much from each other.


Corporate Communications: An International Journal | 2008

Transparency and performance communication: a case study of Dutch Railways

Mirjam Galetzka; Dave Gelders; Jan Pieter Verckens; E.R. Seydel

Purpose – In an attempt to gain insight into the effects of transparent communication on critical performances, this paper aims to explore performance measures and communication of a large‐scale service organization, i.e. the Dutch Railways (Nederlandse Spoorwegen, (NS)).Design/methodology/approach – Semi‐structured interviews with employees of NS and external stakeholders were analyzed to study which performances are measured by NS, why they are measured, and how they are communicated to the employees and stakeholders.Findings – An ambiguous view on transparency was observed. Although transparency is advocated by most employees and stakeholders, this study revealed the complexity of performance communication of a service organization. In this case, NS used to fully disclose performances but emphasized positive performances. This transparent communication strategy seemed to backfire and yielded a counterbalanced societal response from customer organizations which resulted in a strained relationship.Resear...


Journal of Communication Management | 2007

Performance communication of the Belgian Railway

Dave Gelders; Jan Pieter Verckens; Mirjam Galetzka; E.R. Seydel

Purpose – The purpose of this paper is to provide an insight into performance communication from an important public service, i.e. the Belgian Railway, towards its employees (internal) and stakeholders (external). Design/methodology/approach – A qualitative research approach was taken in the form of 11 in-depth interviews among spokespersons, quality engineers, politicians, journalists, Ombudsman, and consumer organizations. Findings – The research found that performance communication focuses too much on positive aspects. Although both insiders and outside stakeholders admit that the frequency, amount and quality of performance communication in the Belgian situation are insufficient, this situation seems to result in utilizing additional media types. Originality/value – There is seemingly a lack of research on (public) performance communication. This paper puts the most relevant literature together and presents the results of a qualitative study.


Facilities | 2018

Exploring cleanliness in the Dutch facilities management industry: a Delphi approach

Martijn C. Vos; Mirjam Galetzka; Mark P. Mobach; Mark van Hagen; Ad Th. H. Pruyn

Purpose This paper aims to identify antecedents that influence perceived cleanliness by consulting experts and end-users in the field of facilities management (facility service providers, clients of facility service providers and consultants). Business models were evaluated to understand why some antecedents are adopted by practitioners and others are not. Design/methodology/approach A qualitative study, with end-users (n = 7) and experts (n = 24) in the field of facilities management, was carried out to identify antecedents of perceived cleanliness. Following the Delphi approach, different research methods including interviews, group discussions and surveys were applied. Findings Actual cleanliness, cleaning staff behaviour and the appearance of the environment were identified as the three main antecedents of perceived cleanliness. Client organisations tend to have a stronger focus on antecedents that are not related to the cleaning process compared to facility service providers. Practical implications More (visible) cleaning, maintenance, toilets, scent, architecture and use of materials offer interesting starting points for practitioners to positively influence perceived cleanliness. These antecedents may also be used for the development of a standard for perceived cleanliness. Originality/value A basis was created for the development of an instrument that measures perceived cleanliness and includes antecedents that are typically not included in most of the current standards of actual cleanliness (e.g. NEN 2075, ISSA).


international conference on persuasive technology | 2017

Persuasive Technology Against Public Nuisance – Public Urination in the Urban Nightlife District

Randy Bloeme; Peter W. de Vries; Mirjam Galetzka; Paul van Soomeren

Assumptions of the goal framing theory are applied to the specific context of a nightlife environment. Focusing on public urination as specific and often occurring antisocial behaviour in nightlife environments, this research explored how choice behaviour of potential public urinators can be influenced in a positive way. One boundary condition was to intervene in choice behaviour without negatively affecting the widely appreciated attractive and stimulating character of nightlife environments. Five experimental forms of nudging and priming are conducted to facilitate alternative social behaviour and to further stimulate potential public urinators to perform social behaviour. This was done by activating positive emotions, presenting visible and accessible alternatives and influencing subjective norms. Facilitating social behaviour reduced public urination by 41%, while additional interventions reduced public urination up to 67%. The results contribute to an extension of goal framing theory to specific contexts like nightlife environments.


Food Quality and Preference | 2011

Tough package, strong taste: The influence of packaging design on taste impressions and product evaluations

Liza Becker; Thomas Johannes Lucas van Rompay; Hendrik N.J. Schifferstein; Mirjam Galetzka


Psychology & Marketing | 2008

Human and spatial dimensions of retail density: Revisiting the role of perceived control

Thomas Johannes Lucas van Rompay; Mirjam Galetzka; Adriaan T.H. Pruyn; Jaime Moreno Garcia


International Journal of Service Industry Management | 2006

Service validity and service reliability of search, experience and credence services: A scenario study

Mirjam Galetzka; Joost W.M. Verhoeven; Ad Th. H. Pruyn

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Dave Gelders

Katholieke Universiteit Leuven

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Brenda H. Groen

Saxion University of Applied Sciences

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Ruth Pijls-Hoekstra

Saxion University of Applied Sciences

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