143 research outputs found
How Paradoxes Shape Members and the Member–Organization Relationship: An Identity Threat Perspective
Organizations and their members not only respond to paradoxes, but also can be shaped by paradoxes in potentially profound yet highly heterogeneous ways. In our study, we adopt an identity threat perspective to explicate how paradox dynamics can affect members’ sense of self as professionals and their organizational identification as a key facet of the member–organization relationship. The transformational change of a leading public university launching a for-profit business school in Europe in 2017 provides a particularly fertile setting for this purpose. Our in-depth, longitudinal case study spanning 75 months from January 2016 to March 2022 serves as the empirical basis for a novel process model that helps to explain why the same set of paradoxes may have vastly different identity and identification effects not only among members of the same organization, but also within individual members over time. We can trace some of these differences back to boundary conditions related to members’ identity and paradox perception, which jointly shape how members recognize, attribute, and respond to paradoxes as threats to their identity. Overall, our study provides a new lens into the multifaceted process through which paradoxes can shape members and member–organization relationships as exemplified by members’ organizational identification
Containing the Not-Invented-Here Syndrome in external knowledge absorption and open innovation: The role of indirect countermeasures
This paper builds new theory and provides supporting evidence to contain the Not-Invented-Here Syndrome (NIHS) – a persistent decision-making error arising from an attitude-based bias against external knowledge. Conceptually, we draw on the 4i framework of organizational learning to develop a novel process perspective on NIHS. This allows us not only to unpack how and where NIHS impedes organizational learning, but also to identify the key requirements for effective NIHS countermeasures. Importantly, countermeasures fall into two categories: those that seek to change the negative attitude directly (direct NIHS countermeasures) and those that seek to attenuate the behavioral impact of negative attitudes without addressing the attitudes as such (indirect NIHS countermeasures). While the evidence base on direct NIHS countermeasures has grown over the last decade, indirect NIHS countermeasures have received little research attention. To address this gap, we adopt a mixed methods research design composed of two complementary empirical studies – the first qualitative and the second quantitative. Study 1 explores the prevalence of distinct NIHS countermeasures in collaborative R&D practice. Based on 32 interviews and three focus group meetings with R&D employees, we find that a broad array of primarily direct NIHS countermeasures is employed in R&D practice. Study 2 addresses the scarcity of scholarly and managerial insights on indirect NIHS countermeasures by testing the effectiveness of perspective taking as a debiasing technique to contain negative attitudes at the level of the individual. Based on quantitative survey data from 565 global R&D projects, it provides empirical evidence not only for the prevalence and negative effects of NIHS on project success as mediated by external knowledge absorption, but also for the effectiveness of perspective taking as an exemplary indirect NIHS countermeasure
A Bivariate Measure of Redundant Information
We define a measure of redundant information based on projections in the
space of probability distributions. Redundant information between random
variables is information that is shared between those variables. But in
contrast to mutual information, redundant information denotes information that
is shared about the outcome of a third variable. Formalizing this concept, and
being able to measure it, is required for the non-negative decomposition of
mutual information into redundant and synergistic information. Previous
attempts to formalize redundant or synergistic information struggle to capture
some desired properties. We introduce a new formalism for redundant information
and prove that it satisfies all the properties necessary outlined in earlier
work, as well as an additional criterion that we propose to be necessary to
capture redundancy. We also demonstrate the behaviour of this new measure for
several examples, compare it to previous measures and apply it to the
decomposition of transfer entropy.Comment: 16 pages, 15 figures, 1 table, added citation to Griffith et al 2012,
Maurer et al 199
Impact vaporization and Condensation: Laser Irradiation Experiments with Natural Planetary Materials
0000-0002-4414-4917The attached files are the published version of the article from the 49th Lunar and Planetary Science Conference 2018 (LPI Contrib. No. 2083), and the open access abstract (Geophysical Research Abstracts, Vol. 20, EGU2018-16223, 2018, EGU General Assembly 2018, © Author(s) 2018. CC Attribution 4.0 license.
Accelerating Empowerment Computation with UCT Tree Search
Models of intrinsic motivation present an important means to produce sensible behaviour in the absence of extrinsic rewards. Applications in video games are varied, and range from intrinsically motivated general game-playing agents to non-player characters such as companions and enemies. The information-theoretic quantity of Empowerment is a particularly promising candidate motivation to produce believable, generic and robust behaviour. However, while it can be used in the absence of external reward functions that would need to be crafted and learned, empowerment is computationally expensive. In this paper, we propose a modified UCT tree search method to mitigate empowerment's computational complexity in discrete and deterministic scenarios. We demonstrate how to modify a Monte-Carlo Search Tree with UCT to realise empowerment maximisation, and discuss three additional modifications that facilitate better sampling. We evaluate the approach both quantitatively, by analysing how close our approach gets to the baseline of exhaustive empowerment computation with varying amounts of computational resources, and qualitatively, by analysing the resulting behaviour in a Minecraft-like scenario
How IT investments help hospitals gain and sustain reputation in the media: the role of signaling and framing
This is the author accepted manuscript. The final version is available from INFORMS via the DOI in this recordHow can information technology (IT) help hospitals gain and sustain reputation in the media? Combining signaling theory and technology frames, we examine if, how, and to what extent IT investments over time shape three facets of reputation: generalized favorability, being known, and being known for something. In accessing healthcare services, most patients are unable to assess a hospital’s quality of care directly. Faced with such information asymmetries, patients tend to consider a hospital’s reputation in the media when making care decisions. Indeed, journalists are well positioned to detect even the weaker quality signals – among which are state-of-the-art IT – that a hospital emits. As information intermediaries, journalists aggregate and interpret IT-related signals against the backdrop of their technology frames, that reflect their expectations of how a modern hospital IT should look. Perceived congruence between their IT-related expectations and observations on the ground is likely to translate into less critical writing about a hospital. We test our theorizing based on a comprehensive panel dataset of 152 English hospital organizations spanning five consecutive years of IT investments and subsequent changes in media reputation as reflected in 175,973 articles in English newspapers. We find that investments in IT staff increase the “being known” facet of reputation as evidenced in the volume of media coverage. Investments in IT equipment, in contrast, positively affect a hospital’s general favorability as mirrored in the tenor of its media coverage. Our econometric analysis as well as our complementary content analysis of newspaper articles and follow up interviews with journalists allow us to attribute this effect primarily to more visible IT equipment investments that prompt journalists to write less negatively about a hospital. These findings suggest that investments in IT equipment can buffer hospitals from negative press, thereby helping them to gain and maintain a strong reputation in the media
A Tube-Dwelling Early Cambrian Lobopodian
This is the final version. Available on open access from Elsevier via the DOI in this recordData and Code Availability:
The phylogenetic dataset compiled for this study is included (Data S1B), and no other datasets or code were analyzed.Facivermis yunnanicus [1, 2] is an enigmatic worm-like animal from the early Cambrian Chengjiang Biota of Yunnan Province, China. It is a small (<10 cm) bilaterian with five pairs of spiny anterior arms, an elongated body, and a swollen posterior end. The unusual morphology of Facivermis has prompted a history of diverse taxonomic interpretations, including among annelids [1, 3], lophophorates [4], and pentastomids [5]. However, in other studies, Facivermis is considered to be more similar to lobopodians [2, 6–8]—the fossil grade from which modern panarthropods (arthropods, onychophorans, and tardigrades) are derived. In these studies, Facivermis is thought to be intermediate between cycloneuralian worms and lobopodians. Facivermis has therefore been suggested to represent an early endobenthic-epibenthic panarthropod transition [6] and to provide crucial insights into the origin of paired appendages [2]. However, the systematic affinity of Facivermis was poorly supported in a previous phylogeny [6], partially due to incomplete understanding of its morphology. Therefore, the evolutionary significance of Facivermis remains unresolved. In this study, we re-examine Facivermis from new material and the holotype, leading to the discovery of several new morphological features, such as paired eyes on the head and a dwelling tube. Comprehensive phylogenetic analyses using parsimony, Bayesian inference, and maximum likelihood all support Facivermis as a luolishaniid in a derived position within the onychophoran stem group rather than as a basal panarthropod. In contrast to previous studies, we therefore conclude that Facivermis provides a rare early Cambrian example of secondary loss to accommodate a highly specialized tube-dwelling lifestyle. Facivermis is an enigmatic worm from the early Cambrian Chengjiang Biota. Here, Howard et al. identify Facivermis as a tube-dwelling lobopodian and demonstrate that its worm-like appearance was a secondary adaptation. This shows that Facivermis was not a basal, ancestrally worm-like panarthropod, as some studies suggest.Thousand Youth Talents Plan of ChinaYunnan provincial research grantChinese Academy of SciencesNatural Environment Research Council (NERC
How IT investments help hospitals gain and sustain reputation in the media: the role of signaling and framing
This is the author accepted manuscript. The final version is available from INFORMS via the DOI in this recordHow can information technology (IT) help hospitals gain and sustain reputation in the media? Combining signaling theory and technology frames, we examine if, how, and to what extent IT investments over time shape three facets of reputation: generalized favorability, being known, and being known for something. In accessing healthcare services, most patients are unable to assess a hospital’s quality of care directly. Faced with such information asymmetries, patients tend to consider a hospital’s reputation in the media when making care decisions. Indeed, journalists are well positioned to detect even the weaker quality signals – among which are state-of-the-art IT – that a hospital emits. As information intermediaries, journalists aggregate and interpret IT-related signals against the backdrop of their technology frames, that reflect their expectations of how a modern hospital IT should look. Perceived congruence between their IT-related expectations and observations on the ground is likely to translate into less critical writing about a hospital. We test our theorizing based on a comprehensive panel dataset of 152 English hospital organizations spanning five consecutive years of IT investments and subsequent changes in media reputation as reflected in 175,973 articles in English newspapers. We find that investments in IT staff increase the “being known” facet of reputation as evidenced in the volume of media coverage. Investments in IT equipment, in contrast, positively affect a hospital’s general favorability as mirrored in the tenor of its media coverage. Our econometric analysis as well as our complementary content analysis of newspaper articles and follow up interviews with journalists allow us to attribute this effect primarily to more visible IT equipment investments that prompt journalists to write less negatively about a hospital. These findings suggest that investments in IT equipment can buffer hospitals from negative press, thereby helping them to gain and maintain a strong reputation in the media
Designing Chatbots for Crises: A Case Study Contrasting Potential and Reality
Chatbots are becoming ubiquitous technologies, and their popularity and adoption are rapidly spreading. The potential of chatbots in engaging people with digital services is fully recognised. However, the reputation of this technology with regards to usefulness and real impact remains rather questionable. Studies that evaluate how people perceive and utilise chatbots are generally lacking. During the last Kenyan elections, we deployed a chatbot on Facebook Messenger to help people submit reports of violence and misconduct experienced in the polling stations. Even though the chatbot was visited by more than 3,000 times, there was a clear mismatch between the users’ perception of the technology and its design. In this paper, we analyse the user interactions and content generated through this application and discuss the challenges and directions for designing more effective chatbots
Characterisation of nanoparticles by means of high-resolution SEM/EDS in transmission mode
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
- …