bluuebunny/crossref_metadata_2025_split huggingface dataset:
Faculty trust in the principal: an essential ingredient in high-performing schools
Authors: Tschannen-Moran Megan , Gareis Christopher R. 
Published: January 2015

Purpose– The purpose of this paper is to explore the relationships among faculty trust in the principal, principal leadership behaviors, school climate, and student achievement.Design/methodology/approach– Data from 64 elementary, middle, and high schools in two school districts formed the basis of the study (n=3,215 teachers), allowing for correlational and regression analyses of the variables.Findings– The authors found that faculty trust in the principal was related to perceptions of both collegial and instructional leadership, as well as to factors of school climate such as teacher professionalism, academic press, and community engagement. Student achievement was also correlated with trust, principal leadership behaviors, and school climate. The authors found that both of the composite variables, principal behaviors and school climate, made significant independent contributions to explaining variance in student achievement and that together they explained 75 percent of the variance in achievement.Research limitations/implications– Limitations of the study include the use of a single form to collect participants’ responses that may have elevated the degree of correlations, as well as the exclusion of rural schools from the sample.Practical implications– The findings of this study suggest that principals must foster and maintain trust in order to lead schools effectively. Importantly, trust has both interpersonal and task-oriented dimensions. Thus, principals must be prepared to engage collegially with teachers in ways that are consistently honest, open, and benevolent, while also dependably demonstrating sound knowledge and competent decision making associated with administering academic programs.Originality/value– Situated in a conceptual framework of systems theory, this study explored the interplay of faculty trust in the principal, principal behavior, school climate, and student achievement. The findings suggest that it is necessary for principals to evidence both interpersonal and task-oriented behaviors in order to be trusted by teachers. Furthermore, the strength of the relationships suggests that schools will not be successful in fostering student learning without trustworthy school leaders who are skillful in cultivating academic press, teacher professionalism, and community engagement in their schools.
The networked principal
Authors: Moolenaar Nienke M. , Sleegers Peter J. C. 
Published: January 2015

Purpose– While in everyday practice, school leaders are often involved in social relationships with a variety of stakeholders both within and outside their own schools, studies on school leaders’ networks often focus either on networks within or outside schools. The purpose of this paper is to investigate the extent to which principals occupy similar positions in their school’s network and the larger district network. In addition, the authors examined whether principals’ centrality in both networks can be attributed to demographic characteristics and transformational leadership (TL).Design/methodology/approach– Using social network analysis, correlational and regression analysis, and an advanced social network technique, namely p2 modeling, the authors analyzed data collected among 708 educators in 46 Dutch elementary schools. The authors also offer a visualization of the district social network to explore principals’ relationships with other principals in the district.Findings– Results suggest that principals who occupy a central position in their school’s advice network are also more likely to occupy a central position in their district’s collaborative leadership network. Moreover, TL was found to affect the extent to which principals are central in both networks.Originality/value– The study is unique as it simultaneously explores principals’ social relationships in schools and the larger district. Moreover, the authors advance the knowledge of TL as a possible mechanism that may shape the pattern of these relationships, thereby connecting two streams of literature that were until now largely disconnected. Limitations to the study warrant further qualitative and longitudinal research on principals’ social relationships in schools, districts, and the larger community.
Administrative context and novice teacher-mentor interactions
Authors: Pogodzinski Ben 
Published: January 2015

Purpose– Mentoring can improve novice teacher effectiveness and reduce teacher attrition, yet the depth and breadth of mentoring can vary greatly within and between schools. The purpose of this paper is to identify the extent to which a school’s administrative context is associated with the focus and frequency of novice teacher-mentor interactions.Design/methodology/approach– By estimating logistic regression models, the author identified the association between novices’ perceptions of their working conditions and the content and frequency of interactions with their formally assigned mentors.Findings– When novice teachers perceived positive administrator-teacher relations in their schools and reported that administrative duties did not interfere with their core work as teachers, they were more likely to frequently interact with their mentors around issues of curriculum.Research limitations/implications– Studies of new teacher induction need to more fully account for elements of school-level organizational context which influence novice teacher-mentor interactions, specifically related to administrative decision making and climate. Future research should seek to identify the extent to which formal policy related to new teacher induction is supported by broader elements of the organizational context.Practical implications– In addition to implementing sound formal policies related to teacher mentoring, school administrators should seek to foster a school climate that promotes administrator-teacher and teacher-teacher collaboration to promote improved teacher mentoring.Originality/value– This study builds upon previous research by drawing attention to the association between broad measures of school-level administrative context related to the quality of working conditions and teacher mentoring.
The dilemma of internal audit function adaptation
Authors: Elbardan Hany , Ali Maged , Ghoneim Ahmad 
Published: January 2015

Purpose
– The purpose of this paper is to provide a conceptual framework that helps to investigate how the internal audit function (IAF) responds to both the introduction of the control logic of Enterprise Resource Planning (ERP) systems, and corporate governance’s (CG) institutional pressures. Furthermore, the paper aims to articulate the concurrence between the external pressures of CG and internal control logic of ERP systems.

Design/methodology/approach
– The paper presents a review of the normative literature pertaining to the increase in significance of CG in the light of the worldwide economic crisis. The paper highlights a literature gap related to the lack of studies focusing on the impact of ERP systems implementation on the IAF practices.

Findings
– The authors articulate institutional theory to formulate a conceptual framework that explains the reciprocal interplay between the macro external governance pressures, micro internal institutional logics inscribed in the ERP systems and their effect on IAF practices and structure within organisations.

Research limitations/implications
– The paper is conceptual in nature and therefore the proposed framework will be subsequently validated using a qualitative research approach in future research.

Practical implications
– The conceptual framework would offer the internal auditors some strategies for enabling adaptation to the different internal and external pressures. Also the paper provides a platform for research community to investigate the influence of CG and ERP systems implementation on IAF adaptation.

Originality/value
– The paper provides a clearer articulation of the various constructs that affect the IAF, which has gained great attention for assuring good CG.
The critical success factors (CSFs) for Enterprise Software contract negotiations
Authors: Palanisamy Ramaraj , Verville Jacques , Taskin Nazim 
Published: January 2015

Purpose
– As the wrong Enterprise Software (ES) acquisition can lead an organization with chronically exceeded budgets and settling for minimum returns, so can an unfavorable contractual agreement. Often the acquiring organizations become vulnerable to risks and mistakes as the software contracts are habitually written using legal terminologies and mainly to the advantage of the vendor. To avoid costly ES contracting mistakes, the purpose of this paper is to empirically identify the critical success factors (CSFs) of contracting in the context of ES acquisition.

Design/methodology/approach
– A questionnaire survey was conducted to gather the data for this study. Statistical analysis conducted for this study include descriptive statistics, factor analysis with reliability and validity tests and nonparametric test.

Findings
– The five key factors are: contractual assurance, forward compatibility and licensing; right to use, own and use of own, confidentiality and payment; software acceptance; license assignment; and vendor obligation for intellectual property. The research and managerial implications of these factors are given in discussion.

Research limitations/implications
– As with most empirical studies, the subjectivity of the opinion of respondents from only two industries presents some limitations to generalization. Another limitation is the respondent has been asked for the degree of criticality for each of the contracting issue given in the questionnaire. There could be critical issues other than the listed ones which are more specific to the organization.

Practical implications
– The results can be used by managers to improve their understanding on the critical contractual issues in ES acquisition negotiations.

Originality/value
– The significant value of this study identifies the CSFs for ES contract negotiations while acquiring the software.
Pedestrian navigation using inertial sensors and altitude error correction
Authors: Liu Wen , Zhang Yingjun , Yang Xuefeng , Xing Shengwei 
Published: January 2015

Purpose
– The aim of this article is to present a PIN (pedestrian inertial navigation) solution that incorporates altitude error correction, which eliminates the altitude error accurately without using external sensors. The main problem of PIN is the accumulation of positioning errors due to the drift caused by the noise in the sensors. Experiment results show that the altitude errors are significant when navigating in multilayer buildings, which always lead to localization to incorrect floors.

Design/methodology/approach
– The PIN proposed is implemented over an inertial navigation systems (INS) framework and a foot-mounted IMU. The altitude error correction idea is identifying the most probable floor of each horizontal walking motion. To recognize gait types, the walking motion is described with angular rate measured by IMU, and the dynamic time warping algorithm is used to cope with the different dimension samples due to the randomness of walking motion. After gait recognition, the altitude estimated with INS of each horizontal walking is checked for association with one of the existing in a database.

Findings
– Experiment results show that high accuracy altitude is achieved with altitude errors below 5 centimeters for upstairs and downstairs routes in a five floors building.

Research limitations/implications
– The main limitations of the study is the assumption that accuracy floor altitude information is available.

Originality/value
– Our PIN system eliminates altitude errors accurately and intelligently, which benefits from the new idea of combination of gait recognition and map-matching. In addition, only one IMU is used which is different from other approach that use external sensors.
Sensor innovations helping unmanned vehicles rapidly growing smarter, smaller, more autonomous and more powerful for navigation, mapping, and target sensing
Authors: Bloss Richard 
Published: January 2015

Purpose
– The purpose of this paper is to review recent developments in sensors for application in unmanned vehicles.

Design/methodology/approach
– This study included in-depth interviews with exhibitors of sensors and sensor integrators at trade shows and contact with providers of such devices to the industry.

Findings
– Sensor innovation has made giant leaps in producing much smaller and smarter sensors to address unmanned vehicle requirements.

Practical implications
– Developers of unmanned vehicles of all types may be surprised at the sensor innovations and new applications to which sensors are being applied in this rapidly advancing field.

Originality/value
– A review of some of the latest sensor innovations and applications that one might have seen if they had been on the exhibition floor at the recent trade shows, followed industrial publications or announcements from sensor developers.
Complex conductivity reconstruction in multiple frequency electrical impedance tomography for fabric-based pressure sensor
Authors: Yang C.L. , Mohammed A. , Mohamadou Y , Oh T. I. , Soleimani M. 
Published: January 2015

Purpose
– The aim of this paper is to introduce and to evaluate the performance of a multiple frequency complex impedance reconstruction for fabric-based EIT pressure sensor. Pressure mapping is an important and challenging area of modern sensing technology. It has many applications in areas such as artificial skins in Robotics and pressure monitoring on soft tissue in biomechanics. Fabric-based sensors are being developed in conjunction with electrical impedance tomography (EIT) for pressure mapping imaging. This is potentially a very cost-effective pressure mapping imaging solution in particular for imaging large areas. Fabric-based EIT pressure sensors aim to provide a pressure mapping image using current carrying and voltage sensing electrodes attached on the boundary of the fabric patch.

Design/methodology/approach
– Recently, promising results are being achieved in conductivity imaging for these sensors. However, the fabric structure presents capacitive behaviour that could also be exploited for pressure mapping imaging. Complex impedance reconstructions with multiple frequencies are implemented to observe both conductivity and permittivity changes due to the pressure applied to the fabric sensor.

Findings
– Experimental studies on detecting changes of complex impedance on fabric-based sensor are performed. First, electrical impedance spectroscopy on a fabric-based sensor is performed. Secondly, the complex impedance tomography is carried out on fabric and compared with traditional EIT tank phantoms. Quantitative image quality measures are used to evaluate the performance of a fabric-based sensor at various frequencies and against the tank phantom.

Originality/value
– The paper demonstrates for the first time the useful information on pressure mapping imaging from the permittivity component of fabric EIT. Multiple frequency EIT reconstruction reveals spectral behaviour of the fabric-based EIT, which opens up new opportunities in exploration of these sensors.
Amplification systems of weak interaction biosensors: applications and prospects
Authors: Wang Xingya , Pang Guangchang 
Published: January 2015

Purpose
– This paper aims to provide a detailed review of weak interaction biosensors and several common biosensor methods for magnifying signals, as well as judiciously guide readers through selecting an appropriate detecting system and signal amplification method according to their research and application purpose.

Design/methodology/approach
– This paper classifies the weak interactions between biomolecules, summarizes the common signal amplification methods used in biosensor design and compares the performance of different kinds of biosensors. It highlights a potential electrochemical signal amplification method: the G protein signaling cascade amplification system.

Findings
– Developed biosensors which, based on various principles, have their own strengths and weaknesses have met the basic detection requirements for weak interaction between biomolecules: the selectivity, sensitivity and detection limit of biosensors have been consistently improving with the use of new signal amplification methods. However, most of the weak interaction biosensors stop at the research stage; there are only a minority realization of final commercial application.

Originality/value
– This paper evaluates the status of research and application of weak interaction biosensors systematically. The G protein signaling cascade amplification system proposal offers a new avenue for the research and development of electrochemical biosensors.
Development of planar electromagnetic sensor array for nitrate and sulphate detection in natural water sources
Authors: Mohamad Nor Alif Syarafi , Md Yunus Mohd Amri , Nawawi Sophan Wahyudi , Ibrahim Sallehuddin , Rahmat Mohd Fua'ad 
Published: January 2015

Purpose
– The purpose of this study is to determine the contamination level in natural water resources because the tremendous development in the agriculture sector has increased the amount of contamination in natural water sources. Hence, the water is polluted and unsafe to drink.

Design/methodology/approach
– Three types of sensor arrays were suggested: parallel, star and delta. The simulation of all types of sensor array was carried out to calculate the sensors’ impedance value, capacitance and inductance during their operation to determine the best sensor array. The contamination state was simulated by altering the electrical properties values of the environmental domain of the model to represent water contamination.

Findings
– The simulation results show that all types of sensor array are sensitive to conductivity, σ, and permittivity, ɛ (i.e. contaminated water). Furthermore, a set of experiments was conducted to determine the relationship between the sensor’s impedance and the water’s nitrate and sulphate contamination. The performance of the system was observed where the sensors were tested, with the addition of distilled water with different concentrations of potassium nitrate and potassium sulphate. The sensitivity of the developed sensors was evaluated and the best sensor was selected.

Practical implications
– Based on the outcomes of the experiments, the star sensor array has the highest sensitivity and can be used to measure nitrate and sulphate contaminations in water.

Originality/value
– The star sensor array presented in this paper has the potential to be used as a useful low-cost tool for water source monitoring.
Research on double T-shape MEMS bionic vector hydrophone and its application in obstacle avoidance sonar
Authors: Linxian Liu , Wendong Zhang , Guojun Zhang , Linggang Guan , Chenyang Xue , Hui Zhang , Nan Xue 
Published: January 2015

Purpose
– The purpose of this paper is to develop a novel MEMS vector hydrophone with the key features of smaller size, better consistency, higher sensitivity and directional reception, and to develop a highly effective and economical obstacle avoidance sonar system. Currently, the typical vector hydrophones are resonant vector hydrophones based on the accelerometer, which greatly increases the volume and constrains the detection sensitivity. Also, because the system is composed of a number of devices, its size is difficult to be reduced.

Design/methodology/approach
– A novel double T-shape MEMS vector hydrophone is proposed with a fish’s lateral line organs as prototypes. The structure size and layout location of the piezoresistors were determined by simulation analysis, and the double T-shape microstructure was fabricated integrally by MEMS manufacturing technology, after which, the acoustic package of the microstructure was completed and the prototype was produced. Finally, the packaged hydrophone was calibrated in a standing wave field in the first-class national-defense underwater acoustic calibration station of China. Also, the design and test of an obstacle avoidance sonar system based on the vector hydrophone were completed.

Findings
– The calibration data show that the double T-shape vector hydrophone has a flat frequency response curve, exhibits a sensitivity of −180 dB (1 kHz, 0 dB reference 1 V/uPa) and shows a good directivity pattern in the form of an “8” shape. The test results of the obstacle avoidance sonar system further verify the feasibility of detecting underwater acoustic signals.

Research limitations/implications
– The next work is to increase the sensitivity by optimizing the microstructure and to realize orientation by organizing array.

Practical implications
– The hydrophone has the advantages of smaller size, lower cost and directional reception. It can be used to develop highly effective and economical obstacle avoidance sonar system, thus solving the problems of water transport efficiency and traffic safety. The hydrophone has broad application prospects and a huge market potential in the civilian fields.

Originality/value
– The MEMS technology and innovative bionic microstructure enable the miniaturization and low cost of the hydrophone. The hydrophone is easy to form array and can narrow the array aperture greatly. So, the hydrophone can be widely used in civil sonar systems.
Energy harvesting: a review of recent developments
Authors: Bogue Robert 
Published: January 2015

Purpose
– This paper aims to provide details of recent energy harvesting developments.

Design/methodology/approach
– Following an introduction, this paper first considers mechanical and biomechanical energy harvesting developments. It then discusses hybrid harvesting technologies and self-powered sensors and concludes with a brief discussion.

Findings
– Energy harvesting is the topic of a major research effort and growing commercial activities. Several advanced technologies are being used to develop sophisticated devices to harvest individual or combined energy sources. These developments are expected to play a central role in many emerging sensor markets.

Originality/value
– This paper provides technical details of a selection of recently reported energy harvesting developments.