23,988 research outputs found
An introduction to the person-centred approach as an attitude for participatory design
This paper is one of three talks which reflect on the use of participatory design methods, especially in the context of design for mental health and wellbeing. In them we: introduce the Person-Centred Approach as a framework for conducting Participatory Design; outline the method of Interpersonal Process Recall (IPR); and present a heuristic case study of these approaches being developed by a multidisciplinary design research team with Mind, a UK mental health charity. In this paper, we introduce the Person-Centred Approach (PCA) as found in psychotherapy, education and conciliation processes. We propose that this approach can help the field of Participatory Design recognise that researchers and research teams constructively inform their practice through the attitudes they bring to what is necessarily a relational situation. The PCA will be of interest to researchers working with mental health and wellbeing communities in particular, but may also be valuable in offering a framework for Participatory Design as a broad field of practice. The paper describes different modes of practice to be found in psychotherapy and outlines key aspects of the PCA, before discussing its implications for doing Participatory Design
Reflections on the heuristic experiences of a multidisciplinary team trying to bring the PCA to participatory design (with emphasis on the IPR method)
This paper introduces a heuristic case study, reflecting on the use of the Interpersonal Process Recall (IPR) method as part of An Internet of Soft Things, a multidisciplinary design research project working with the UK mental health charity, Mind. The three authors represent three different disciplines within the project â Psychotherapy, e-Textiles, and Human-Computer Interaction â and naturally bring their own experiences and expectations to the multidisciplinary team process. The aim of the project is to develop, through practice, a methodology for a Person-Centred Approach to design, informed by the theories and practice of Carl Rogers, and thereby to address the increasing need for researcher reflection in Participatory Design. The paper outlines the project and describes our experiences of IPR within it; it discusses how we are taking this work forward and closes with some guidelines based on our personal observations in working with this method
The Pseudo-continuum Bound-free Opacity of Hydrogen and its Importance in Cool White Dwarf Atmospheres
We investigate the importance of the pseudo-continuum bound-free opacity from
hydrogen atoms in the atmospheres of cool white dwarfs. This source of
absorption, when calculated by the occupation probability formalism applied in
the modeling of white dwarf atmospheres with ,
dominates all other sources of opacity at optical wavelengths. This is
unrealistic and not observed. On the other hand, a significant flux suppression
in the blue part of the spectra of cool white dwarfs has been reported, and
mainly interpreted as a result of the pseudo-continuum absorption from atomic
hydrogen. We investigate this problem by proposing a new, more realistic
approach to calculating this source of opacity. We show that this absorption is
orders of magnitude smaller than that predicted by current methods. Therefore,
we rule out the pseudo-continuum opacity as a source of the flux deficiency
observed in the spectra of cool white dwarfs.Comment: 11 pages, 5 gigures, accepted for publication in the Astrophysical
Journa
An introduction to IPR as a Participatory Design research method
This paper outlines the method of Interpersonal Process Recall (IPR) as a Participatory Design method, especially in the context of design for mental health and wellbeing. IPR is more commonly used in psychotherapy and other helping professions to help trainees and practitioners and their clients reflect on their process, using AV recordings of interactions for the facilitation of deep and accurate recall. We propose that it can provide a mechanism for reflection on team working and relational aspects of Participatory Design. The paper discusses the rationale for using IPR and the ways in which the method relate to phenomenological inquiry (including the Person-Centred Approach); it describes an IPR research method protocol, and finishes with a discussion of the implications for Participatory Design methodologies
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Facilitating a ânon-judgmentalâ skills-based co-design environment
This paper reflects on a pilot study for the design of a series of e-textiles workshops developed for the Nottinghamshire Mind Network community of mental health and wellbeing service users, managers and volunteers. The final workshops will form part of âAn Internet of Soft Thingsâ (IoSofT) project, which seeks to develop a Person-Centred Approach (PCA) to design. The workshops should be experienced by participants as a non-judgemental environment, as one of the conditions of the Person-Centred Approach â unconditional positive regard (UPR) (Rogers, 1957). While the research team agree in theory that participants should feel safe and supported, putting non-judgement into practice in a multi - disciplinary environment, in which skills form the basis of workshop activity, has proved to be challenging. The paper introduces the key criteria of the PCA in psychotherapy, and describes the particular challenges that being non-judgemental presented to the textile designers and therapeutic practitioners who designed and facilitated the workshops. It presents an analysis of the design artefacts produced in the course of six workshop sessions (such as the âgroup agreementâ), and participant feedback, and discusses the resulting framework that will be applied in the next iteration of workshops to enable participantsâ comfort, creativity and autonomy
Design study of general aviation collision avoidance system
The selection and design of a time/frequency collision avoidance system for use in general aviation aircraft is discussed. The modifications to airline transport collision avoidance equipment which were made to produce the simpler general aviation system are described. The threat determination capabilities and operating principles of the general aviation system are illustrated
Interfaces and Grain Boundaries of Lamellar Phases
Interfaces between lamellar and disordered phases, and grain boundaries
within lamellar phases, are investigated employing a simple Landau free energy
functional. The former are examined using analytic, approximate methods in the
weak segregation limit, leading to density profiles which can extend over many
wavelengths of the lamellar phase. The latter are studied numerically and
exactly. We find a change from smooth chevron configurations typical of small
tilt angles to distorted omega configurations at large tilt angles in agreement
with experiment.Comment: 9 pages, 6 figures 9 pages, 6 figure
A finite element based formulation for sensitivity studies of piezoelectric systems
Sensitivity Analysis is a branch of numerical analysis which aims to quantify the affects that variability in the parameters of a numerical model have on the model output. A finite element based sensitivity analysis formulation for piezoelectric media is developed here and implemented to simulate the operational and sensitivity characteristics of a piezoelectric based distributed mode actuator (DMA). The work acts as a starting point for robustness analysis in the DMA technology
Insight into Resonant Activation in Discrete Systems
The resonant activation phenomenon (RAP) in a discrete system is studied
using the master equation formalism. We show that the RAP corresponds to a
non-monotonic behavior of the frequency dependent first passage time
probability density function (pdf). An analytical expression for the resonant
frequency is introduced, which, together with numerical results, helps
understand the RAP behavior in the space spanned by the transition rates for
the case of reflecting and absorbing boundary conditions. The limited range of
system parameters for which the RAP occurs is discussed. We show that a minimum
and a maximum in the mean first passage time (MFPT) can be obtained when both
boundaries are absorbing. Relationships to some biological systems are
suggested.Comment: 5 pages, 5 figures, Phys. Rev. E., in pres
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