290 search results for “placebo effect” in the Public website
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
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Conductance and gating effects at sputtered oxide interfaces
This thesis explores interfacial conductance and electric field-effects in LaAlO3/SrTiO3 heterostructures.
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Two Veni grants awarded to Leiden Psychology researchers
Two Leiden researchers of the Institute of Psychology have been given the opportunity to realise their research plans for the coming three years thanks to a Veni grant from the Netherlands organisation for scientific research. Hanneke Hendriks is researcher in the field of Social and organisational…
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Unsprayed field margins: effects on environment, biodiversity and agricultural practice
A management strategy has been developed for field margins to reduce pesticide drift to non-target areas and to promote biodiversity on arable land. To this end, 3 and 6 m wide strips along the edges of winter wheat, sugar beet and potato crops have been left unsprayed with herbicides and insecticides…
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Beyond UN75: A Roadmap for Inclusive, Networked & Effective Global Governance
Drawing on insights from past and contemporary scholars and world leaders, the report explores the concepts of a new social contract, a new global deal, and networked and inclusive multilateralism introduced recently by Secretary-General António Guterres to help the United Nations better grapple with…
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24-hour rhythms in drug exposure and effect
Although rarely considered by the pharmaceutical industry or clinicians, 24-hour rhythms in physiology are a factor of potential influence on the pharmacokinetics and pharmacodynamics of drugs.
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Effects of pesticides on aquatic macrofauna in the field
Promotores: W.J.G.M. Peijnenburg, G.R. de Snoo, Co-promotor: M.G. Vijver
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Child homicide: Media hype, but no indications for copycat effect
Child homicide is a phenomenon that not infrequently leads to shock and societal unrest. However, the precise nature and scope of child homicide in the Netherlands remains unknown.
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Establishing State Responsibility in the Absence of Effective Government
On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).
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Ine Alberts
Bestuursbureau
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Tineke Rutgers
Bestuursbureau
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Hester Ruigendijk
Faculteit der Sociale Wetenschappen
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The environmental rebound effect: a new paradigm for an old challenge. The case of transport eco-innovation
What is the role of the rebound effect in achieving environmental savings from transport eco-innovation? Are traditional definitions of the rebound effect adequate in the context of transformative innovations and multidimensional environmental issues?
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Towards an ab-axis giant proximity effect using ionic liquid gating
In this Thesis, novel charge induction mechanisms of ionic liquids are treated, tested and experimented on complex oxides, in particular cuprates.
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Criminal Justice: Socially effective criminal justice 2023-2029
In the Criminal Justice research programme, legal experts, criminal law experts and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that are, can and may be taken in the criminal justice chain…
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The Effectiveness of Dialogue in Communication, Past and Present
This project seeks to integrate scientific research and practical knowledge in the study of the mechanisms that make dialogue an effective tool for communication, teaching, and thinking.
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Stress Less Project: Effectiveness of school-based intervention programs
What is the effectiveness of two school-based skills-training programs in promoting mental health?
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Effects of noninvasive vagus nerve stimulation on perseverative cognition
Can excessive worrying be reduced via stimulation of the vagus nerve?
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The effects of burying beetle social behaviours on interspecific interactions
This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.
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Anisotropy, multivalency and flexibility-induced effects in colloidal systems
We have studied the impact of particle shape anisotropy, multivalent interactions and flexibility on systems of micron-sized colloidal particles.
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Research
The research carried out within the unit Health, Medical and Neuropsychology investigates the psychological factors of health and disease, and the development of innovative treatment.
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Integer and fractional quantum hall effects in lattice magnets
Promotor: Prof.dr.ir. J.W.M. Hilgenkamp, Prof.dr. J. van den Brink
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Public organisations: changes and their effect on staff and managers
The organisations and people who implement government policy face many different types of change. Academics from Leiden University research how they deal with these and advise them on how best to meet the needs and wishes of society.
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Controlling anxiety in late life (CALL)
Primary Objective: The primary aim of the proposed RCT is to evaluate whether LF-TLP in blended form as an indicated prevention for anxiety complaints is more (cost-) effective than TAU according to the NHG guideline Anxiety. We hypothesize that in comparison to TAU, LF-TLP will result in a significantly…
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Effects of light at night on plants and their interactions with other species
What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?
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Direct and non‐linear innovation effects of demographic shifts
Kohei Suzuki, Assistant Professor at Institute of Public Administration, and two other authors researched the topic of innovation by governments in response to expected population decline.
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Effective Protection of Fundamental Rights in a pluralist world
What opportunities and threats flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world?
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Science podcasts
Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!
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Solvent effects in the electrocatalytic reactions of water
Koper
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Developmental effects of polystyrene nanoparticles in the chicken embryo
There is concern about the threat that nanoplastics (NPs) may pose to both wildlife and humans. This thesis explores the mechanisms of toxicity of polystyrene nanoparticles (PS-NPs) in chicken embryo.
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Environmental footprints: assessing anthropogenic effects on the planet's environment
Promotor: Prof.dr. G.R. de Snoo, Co-promotor: R. Heijungs
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Janne van Doorn
Faculteit Rechtsgeleerdheid
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Effectiveness of audience segmentation in instructional risk communication: A systematic literature review
This article provides a list of the concepts and key elements that should be considered when creating effective communication messages.
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teachers' learning: redesigning a program using characteristics of effective instructional development
In this research project characteristics of effective instructional development were identified that are appealing to medical teachers and relevant for medical education.
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Non-target effects of GM potato: an eco-metabolomics approach
Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield
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Homicide followed by suicide in the Netherlands: Is there a copycat effect?
Homicide followed by the suicide of the perpetrator often leads to shock and incomprehension. It has been suggested that media reporting on such cases could lead to an imitation effect.
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Neonicotinoids in nature: The effects on aquatic invertebrates and their role in ecosystems
This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.
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Unpacking the effects of burdensome state actions on citizens' policy perceptions
In this article, Martin Sievert and Jonas Bruder investigated whether and how administrative burdens influences citizens' perceptions of welfare policies and attitudes towards beneficiaries.
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Use Student Evaluations of Professors as a Measure of Teaching Effectiveness
In this article, Eamon Aloyo argues that university supervisors should not use student evaluations of teachers as a measure of teaching effectiveness.
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Anthropogenic effects on links between macro-invertebrate diversity and ecosystem functioning
How are links between macro-invertebrate diversity and ecosystem functioning influenced by anthropogenic pressures?
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Evaluation of synergistic effects of Chinese herbal medicine and natural compounds on cancers
What are the biological effects of Chinese herbal medicine in regulation of cancer cell metastasis?
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Interactions of nutrients and pesticides and their effects on aquatic macrofauna
Can we distinguish the effects of pesticides from other abiotic and biotic factors that occur in the field? And how do these factors interact with pesticides?
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Effect of Nanoparticles on Microbial Catabolism and Community Structure using Biolog techniques
1. To what extent do metallic NPs added to soil extractions change the activity, abundance, or community composition of microbes? 2. How do the effects of metallic NPs on soil microbes differ from the effects of the ions shedding from corresponding NPs?
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What is the effect of long-term exposure to engineered nanomaterials (ENMS)?
Engineered nanomaterials (ENMs) are widely used, and nanotechnological innovations grow with rapid pace. Studies on nanotoxicology have demonstrated that chemical toxicology as well as particle toxicology should be accounted for in predicting the safety of ENMs.
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Data Breaches and Effective Crisis Communication: A Comparative Analysis of Corporate Reputational Crises
Online data breaches are recurrent and damaging cyber incidents fors organizations worldwide. This study examines how organizations can effectively mitigate reputational damages in the aftermath of data breaches by hacking, through situational crisis communication strategies.
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Using synthetic control method to estimate the growth effects of economic liberalisation: Evidence from transition economies
Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.
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Grotius Centre contributes to ICC ASP Expert Discussion on Effectiveness and Efficiency
On 24 November 2015, Prof. Carsten Stahn participated as external expert in a special plenary session of the Assembly of States Parties on the efficiency and effectiveness of Court proceedings, chaired by the co-chairs of the Study Group on Governance of the Assembly.
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The noisy underwater world: the effect of sound on behaviour of captive zebrafish
Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn
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Sound Investigation: Effects of noise on marine animals across trophic levels
Anthropogenic noise has been shown to affect marine animals in various ways, this may have fitness consequences at individual and population level. This thesis aims to increase insight into the quantification of sound-induced behavioural responses that are relevant to fitness, and into factors that…
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Policy Effectiveness through Configurational and Mechanistic Lenses: Lessons for Concept Development
Valérie Pattyn, Assistant Professor at Leiden University, researched