Search results for "support"
showing 10 items of 2310 documents
Studies of structural composition distribution heterogeneity in ethylene/1-hexene copolymers using thermal fractionation technique (SSA): Effect of c…
2005
Investigations into the compositional heterogeneity of ethylene/1-hexene copolymers obtained with various zirconocene/MAO catalysts, either homogeneous or supported on inorganic carriers such as a complex of magnesium chloride with tetrahydrofuran or methyl alcohol, were conducted. The dependence between metallocene structure, as well as catalyst immobilization, and the compositional heterogeneity of the related products was investigated. It was found that the heterogeneity of copolymers is determined by the metallocene catalyst structure. The amount of peaks on the DSC thermograms of copolymers and their division increase with the increase of bulkiness of the ligand in the catalytic system…
Cross-Device Augmented Reality Annotations Method for Asynchronous Collaboration in Unprepared Environments
2021
Augmented Reality (AR) annotations are a powerful way of communication when collaborators cannot be present at the same time in a given environment. However, this situation presents several challenges, for example: how to record the AR annotations for later consumption, how to align virtual and real world in unprepared environments or how to offer the annotations to users with different AR devices. In this paper we present a cross-device AR annotation method that allows users to create and display annotations asynchronously in environments without the need for prior preparation (AR markers, point cloud capture, etc.). This is achieved through an easy user-assisted calibration process and a …
Designing and investigating pedagogical scripts to facilitate computer-supported collaborative learning
2008
Computer-supported collaborative learning (CSCL) appears to provide a promising social approach to foster learning. On the other hand, recent studies have indicated that when learners are left on their own, it is often difficult for teams to engage in productive interactions. Therefore, the use of collaboration scripts as instructional support has been presented as a possibility to trigger productive collaborative activities. This study provides knowledge of collaboration scripts as a pedagogical method to facilitate group processes in virtual environments in authentic educational contexts. The findings indicate that scripts as external support can help students proceed in solving learning …
Case-based portraits of contrasting micro-interaction processes during online assessment of collaborative problem solving
2017
This study recognizes the role and the quality of social aspects in collaborative problem solving (CPS) processes and outcomes. The aim of this study, relying on multiple data and phases of analysis, is to explore and visualise, through contrasting case-based portraits, how micro-interaction processes at pair level evolve during CPS assessments in an online environment. The assessment is designed for a student pair in the STEM domain. The results show that in despite students’ similar CPS performance scores, variations in micro-interactions occurred across pairs. It is expected that studying these patterns at pair level may provide new insights into CPS processes and so to support acquiring…
Staying at the front line of literature: How can topic modelling help researchers follow recent studies?
2021
Staying at the front line in learning research is challenging because many fields are rapidly developing. One such field is research on the temporal aspects of computer-supported collaborative learning (CSCL). To obtain an overview of these fields, systematic literature reviews can capture patterns of existing research. However, conducting systematic literature reviews is time-consuming and do not reveal future developments in the field. This study proposes a machine learning method based on topic modelling that takes articles from a systematic literature review on the temporal aspects of CSCL (49 original articles published before 2019) as a starting point to describe the most recent devel…
Incidence of potential drug interactions in a transplant centre setting and relevance of electronic alerts for clinical practice support
2013
Background Adverse drug events may occur as a result of drug–drug interactions (DDIs). Information technology (IT) systems can be an important decision-making tool for healthcare workers to identify DDIs.Objective The aim of the study is to analyse drug prescriptions in our main hospital units, in order to measure the incidence and severity of potential DDIs. The utility of clinical decision-support systems (CDSSs) and computerised physician order entry (CPOE) in term of alerts adherence was also assessed. DDIs were assessed using a Micromedex healthcare series database.Methods The system, adopted by the hospital, generates alerts for prescriptions with negative interactions and thanks to a…
Psychiatrists' Attitudes Toward Disruptive New Technologies: Mixed-Methods Study
2018
Background Recent discoveries in the fields of machine learning (ML), Ecological Momentary Assessment (EMA), computerized adaptive testing (CAT), digital phenotype, imaging, and biomarkers have brought about a new paradigm shift in medicine. Objective The aim of this study was to explore psychiatrists’ perspectives on this paradigm through the prism of new clinical decision support systems (CDSSs). Our primary objective was to assess the acceptability of these new technologies. Our secondary objective was to characterize the factors affecting their acceptability. Methods A sample of psychiatrists was recruited through a mailing list. Respondents completed a Web-based survey. A quantitative…
Validation of a modified version of the Experiences of Teaching and Learning Questionnaire
2018
Providing teaching-learning environments that foster university studentsö learning is an essential task of higher education. Valid and reliable tools for assessing them are therefore needed. This study investigates the measurement properties of a modified version of the Experiences of Teaching and Learning Questionnaire (ETLQ). Two independent data-sets (N = 1637 and N = 1711) were collected from Finnish university students. Confirmatory factor analyses resulted in a modified measurement model for the ETLQ, consisting of 11 factors. The first three factors assessing the teaching-learning environment – Teaching for Understanding, Disciplinary Understanding and Supportive Teaching – were indi…
Duration of untreated psychosis and its correlates in first-episode psychosis in Finland and Spain
2002
Kalla O, Aaltonen J, Wahlstrom J, Lehtinen V, Garcia Cabeza I, Gonzalez de Chavez M. Duration of untreated psychosis and its correlates in first-episode psychosis in Finland and Spain. Acta Psychiatr Scand 2002: 106: 265–275. © Blackwell Munksgaard 2002. Objective: To examine the association of duration of untreated psychosis (DUP) with early course characteristics in first-episode psychosis in Finland and Spain. Method: Eighty-six patients from Finland (49) and Spain (37) were evaluated on various early course characteristics. Results: The mean value of DUP was 4.0 months (median 2 months) for the Finnish patients and 9.9 months (median 2 months) for the Spanish ones. In both groups, long …
Does Organizational Work-Family Support Benefit Temporary and Permanent Employees Equally in a Work-Family Conflict Situation in Relation to Job Sati…
2016
This study examined whether work–family support (WF support) buffers permanent and temporary workers similarly against the negative effects of work–family conflict as regard job satisfaction and emotional energy level at work and at home. A total of 1,719 Finnish nurses participated in this study in 2009. The results revealed that high coworker WF support protected temporary workers against the negative effects of high work–family conflict on emotional energy at work. Furthermore, temporary workers with low coworker WF support were at greater risk of job dissatisfaction and diminished emotional energy at home than were their permanent colleagues in the presence of high work–family conflict…