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Cognitive dysfunctions are a common clinical feature of schizophrenia and represent important indicators of outcome among patients who are affected. Therefore, a randomized, controlled, monocentric, single-blind trial was carried out to compare two different rehabilitation strategies adopted for the restoration and recovery of cognitive functioning of residential patients with schizophrenia. A sample of 110 residential patients were selected and, during the experimental period, a group of 55 patients was treated with sets of domain-specific exercises (SRT+CRT), whereas an equal control group was treated with sets of non-domain-specific exercises (SRT+PBO) belonging to the Cogpack® software. The effects on the scores (between T0 and T1) of the variables treatment and time and of the interaction time X treatment were analyzed: for the total BACS, the main effect of the between-factors variable treatment is statistically significant (F=201.562 P=0.000), as well as the effect of the within-factors variable “time” (F=496.68 P=0.000).The interaction of these two factors is also statistically significant (F=299.594 P=0.000). The addition of cognitive remediation therapy (CRT) to a standard treatment of metacognitive training (MCT) resulted in a significant improvement in global neurocognitive functioning and has reported positive effects with regard to the strengthening of verbal and working memory, selective and sustained attention at T1. A relevant result is the statistically significance of “time X treatment” for all the tests administered: we can assume that the domain-specific cognitive training amplifies the effects of SRT, as the primary and secondary goals of the present study were achieved.

In his 1943 paper “A Theory of Human Motivation”, Maslow suggested the “Hierarchy of Needs” as a classification system that described the stimuli for human behaviour. Presently, project behaviour research, which inspired this work, encourages undertaking research on behavioural aspects within and across organisational and project settings. Therefore, the purpose of this paper is to analyse project-based organisations’ (PBOs) seemingly reluctance in engaging in organisational learning from past project failures by drawing upon both institutional theory (since it focuses on how firms interact) and Maslow’s model within a project behaviour piece of research.

Interviews were held with purposively selected construction professionals from the UK construction industry, and data were analysed using thematic analysis.

Besides the need to learn from failures, PBOs’ main competing needs revolve around their “competitiveness”; “profitability and productivity”; “repeat business” and “reputation and partnering”. Mirroring these needs against Maslow’s hierarchy of needs, “competitiveness” and “profitability” are analogous to foundational “physiological” and “safety” needs. The need for “repeat business” and “reputation” is approximated with Maslow’s “affiliation” and “self-esteem” needs, and organisational learning is associated with “self-actualisation”. From an institutional theory perspective, such response to failure is influenced by the need to show legitimacy and conformity imposed by institutional factors.

Instead of taking a simplified approach to learning from failure such as the use of technological tools, PBOs and the sector at large should consider more robust approaches, by appreciating the influence of institutional factors and the external environment on their efforts to learn from failure.

Unlike past studies that present organisational learning within PBOs as a straightforward process, this study instead highlights the need of understanding various competing needs within a PBO and the external pressure.

The purpose of this paper is to study the crisis management process for project-based organizations (PBOs) by developing a comprehensive model and propositions.

This paper is based on a conceptual study. A literature review is considered a primary source for studying contemporary research, including 171 publications in total, which embody qualitative, quantitative, conceptual and theoretical studies. For data analysis, content analysis is used, which is comprised of descriptive and thematic analysis.

This study identifies five imperative elements of crisis management for PBOs which include (1) sense-making (information gathering and crisis interpretation), (2) decision-making (accurate and timely decision), (3) response (reactive response), (4) outcome (success/failure) and (5) learning. Based on these findings, this study proposes an integrative model of the interplay between sense-making, decision-making, response, outcome and learning. Furthermore, the findings lead to propositions for each of the elements. The paper contributes to the literature on dynamic capability theory.

This paper explores the crisis management process for PBOs. The proposed model deepens the understanding of the practices and processes of project-based crisis management.

The purpose of this paper is to discuss contemporary knowledge relevant to the application of performance measurement (PMe) in the concept of OPM and to compare findings from a literature review with solutions recommended for utilization by managers from general contractors operating in Poland. There are few studies related to the mentioned topic, much fewer describing the geographical area of Eastern Europe.

Triangulation of research methods was selected. First literature review, next desk research and finally descriptive statistical analysis and interview were conducted. The research methods were applied in three steps whose beginnings overlapped and the mid-term findings from one study complemented others.

PMe should be focused on management and governance issues. Its evaluation is related to various organizational levels (permanent organization, portfolio, program, project, construction site and supply chain), most of them are under valuated by practitioners. The conducted study pointed out that there are numerous supporting tools and measures applicable in organizational project management (OPM). The managers recommend combining various tools in one comprehensive OPM system, to limit multiple manual incorporations of the same data to the various databases. The managers call to increase the practical usefulness of researchers’ proposals, to educate the construction managers in the application of complex performance systems and to promote portfolio thinking.

The comparison of performance measurement solutions proposed by academia with experience collected from Polish construction managers could support the better application of theoretical ideas in practice.

For a number of years, the construction industry has seen an ongoing shift from design-bid-build to design-build contracts. This transition in contract type entails changes for both the organizations and the individuals involved. Consequently, the purpose of this paper is to investigate how the client manages the transition between the different contract types from an organizational change perspective in a project-led organization.

A multiple case study of six infrastructure projects with DB contracts, all managed by the Swedish Transport Administration, was conducted. The major source of data is semi-structured interviews with respondents from both the client and the contractors.

Results suggest that the transition has resulted in a mix of design-bid-build and design-build as contract type owing to issues when changing in a project-led organization. A change in vision also requires a concomitant change in culture, systems and roles.

The study only includes cases from the Swedish transport infrastructure sector, which limits the generalizability. The findings are also indicative owing to the small number of cases.

The findings further our understanding of managing change in complex projects, which might help practitioners to manage change in a more integrated way.

The findings enrich our understanding of the systemic change that a switch in contract types can have in inter-organizational complex projects such as transport infrastructure projects. Furthermore, it emphasizes the intricate task of change management in project-led organizations and its effects on roles and responsibilities.

This study aims to advance networking-based, construction-related business management (BM) knowledge, concepts and practices. The focus is on the supply side and therein networking between three or more companies on an equal, legal, managerial and organisational basis.

The literature reviewing process has resulted in the identification of 79 construction-related BM concepts published between the years 1990 and 2017. In this paper, the focused review reveals the degrees to which the authors have designed their BM concepts along the networking dimension.

Indeed, 33 (42 per cent) construction-related BM concepts have been designed along the networking dimension. There are 7 (9 per cent) high-degree, 11 (14 per cent) medium-degree and 15 (19 per cent) low-degree BM concepts. The high-degree ones include Bennett’s (2000) tapestry, Hobday’s (2000) project-based organisation, Cheng and Li’s (2002) partnering model, Love et al.’s (2002) long-term alliance, Kiiras and Huovinen’s (2004) virtual PM company, Helander and Möller’s (2007) network resources as well as Wikström et al.’s (2010) business networks.

Aligning with Penrose (1995), networking-based BM may imply a paradigm shift vis-à-vis managing in construction markets, i.e. it is envisioned that many researchers replace a firm with a business network as a unit of theorising.

It seems that the seven high-degree BM concepts enable firms to manage businesses with similar contexts embedded within construction markets in networking-based, viable ways.

There is very little applied theoretical knowledge about networking as part of construction-related BM. This exploratory, focused review may trigger future BM research along the networking dimension.

The electrical properties of piezoelectric vibrators have a crucial influence on the operating state of ultrasonic motors. In order to solve the problem that the current piezoelectric vibrator generates a large amount of heat during vibration to degrade its performance, which in turn affects the normal operation of ultrasonic motors, this paper prepares a novel piezoelectric vibrator and tests its maximum vibration velocity under the working condition, which is more than twice as much as that of the current commercial PZT-8.

The crystal structures of the samples were analyzed by using an X-ray diffractometer. For microstructure observation, samples were observed by scanning electron microscope (SEM). The quasi-static piezoelectric coefficient meter (ZJ-3AN) was used for piezoelectric measurement. Dielectric properties were measured by utilizing an impedance analyzer (Agilent 4294A) with a laboratory heating unit. Ferroelectric hysteresis loops were obtained using a ferroelectric analyzer (Radiant, Multiferroic 100). A Doppler laser vibrometer (Polytec PSV-300F, Germany) and a power amplifier were used for piezoelectric vibration measurements, during which the temperature rise was determined by an infrared radiation thermometer (Victor 303, China).

The ceramics exhibit enhanced piezoelectric performance at 0.1–0.4 mol% of Yb doping contents. The ceramic of 0.4 mol% Yb reaches the maximal internal bias field and presents a larger mechanical quality factor of 1,692 compared with that of 0.2 mol% Yb-doped ceramic, in spite of a slightly decreased dielectric constant of 439 pC/N, the unit of the piezoelectric constant, which is the ratio of the local charge (pC) to the frontal force (N) and electromechanical coupling coefficient of 0.63. The vibrator with this large mechanical quality factor ceramic displays a vibration velocity of up to 0.81 m/s under the constraint of 20 °C temperature rising, which is much higher than commercial high-power piezoelectric ceramics PZT-8.

The enhanced high-power properties of the piezoelectric vibrator by Yb doping may provide a potential application for the high-performance USM and offer the possibility of long-term stable operation under high power for special equipment like USM. In the subsequent phase of research, the novel PZT-based high-power piezoelectric vibrator can be utilized in the USM, and the motor's performance will be evaluated under aerospace conditions to objectively assess the reliability of the piezoelectric vibrator.

Various studies dealing with brand orientation were analysed to discuss how the issues identified in this area have been relating over time. This paper aims to identify the key studies, the keywords used and the origin of the studies.

A systematic literature review (SLR) was performed within the Scopus database to select and summarize the studies that deal with brand orientation. Finally, 90 articles were subjected to bibliometric analysis.

Five major research areas were identified (brand orientation concept, hybrid strategies, internal branding management, brand performance and perceived brand orientation) and discussed.

As the main theoretical contribution, the results showed a focus on research in five areas: the development of the brand orientation concept and proposed extensions; hybrid strategies; the relations between brand orientation, internal branding and brand management; the relation between brand orientation and financial performance; and the perceived brand orientation, mostly applied to higher education sector.

The study offers a general overview of brand orientation, identifying relations on topics of interest, main keywords and sub-themes in this field. The results contribute to fulfilling the research gap about the relationship between all these aspects. Finally, an agenda for future research is proposed.

Se analizaron diversos estudios sobre la orientación de la marca con el fin de discutir cómo se han ido relacionando a lo largo del tiempo los problemas identificados en esta área. Esta investigación identifica los estudios clave, las palabras clave utilizadas y el origen de los estudios.

Se realizó una revisión sistemática de la literatura (SLR) con la base de datos de Scopus para seleccionar y resumir los estudios que tratan de la orientación de la marca. Finalmente, 90 artículos fueron sometidos al análisis bibliométrico.

Se identificaron cinco grandes áreas de investigación (concepto de orientación de marca, Estrategias híbridas, Gestión interna de marca, Rendimiento de marca, Orientación de marca percibida) y se discutieron.

Los resultados mostraron un enfoque en la investigación en cinco áreas: el desarrollo del concepto de orientación de marca y las extensiones propuestas; las estrategias híbridas; las relaciones entre la orientación de marca, el branding interno y la gestión de marca; la relación entre la orientación de marca y el rendimiento financiero; y la orientación de marca percibida, aplicada principalmente al sector de la educación superior.

El estudio ofrece una visión general de la orientación de la marca, identificando las relaciones sobre temas de interés, las principales palabras clave y los subtemas en este campo. Los resultados contribuyen a llenar el vacío de investigación sobre la relación entre todos estos aspectos. Finalmente, se propone una agenda futura de investigación.

Orientación de marca, Marca, Análisis bibliométrico, Revisión sistemática de la literatura

Revisión general