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1 – 10 of over 39000Joseph Chow, Ada Tse and Christine Armatas
The purpose of this paper is to report undergraduate students’ learning gains in six areas of generic skills. The paper reports on students’ responses to the First Year Experience…
Abstract
Purpose
The purpose of this paper is to report undergraduate students’ learning gains in six areas of generic skills. The paper reports on students’ responses to the First Year Experience (FYE) Survey completed at the end of their first year and Graduating Student Survey (GSS) in the final semester of their final year.
Design/methodology/approach
In this study, a longitudinal design was applied in data collection, analysis and reporting of assessment if student learning gains. The undergraduate students who were the first cohort of four-year curriculum students in a Hong Kong university were selected as the sample. Repeated measures of reported learning gains of a longitudinal sample based on stacking of both FYE and GSS data were analysed using the Rasch model.
Findings
The results showed that the scale for measuring the six areas of generic skills had high reliability and good person separation. Comparison of repeated measures from the same group of students at the two time points were examined to explore whether there is growth in the generic skills during their university studies.
Research limitations/implications
One limitation of the study was the relatively small sample size of 359 students in one higher education institution.
Practical implications
The findings of the study provide insight into conceptual understanding and measurement of university student learning gains.
Originality/value
Whilst several studies have investigated university student learning gains, there is limited research which explores the use Rasch modelling in assessment of student learning gains in multiple areas towards completion of their undergraduate studies.
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This research study aims to minimize autonomous flight cost and maximize autonomous flight performance of a slung load carrying rotary wing mini unmanned aerial vehicle (i.e. UAV…
Abstract
Purpose
This research study aims to minimize autonomous flight cost and maximize autonomous flight performance of a slung load carrying rotary wing mini unmanned aerial vehicle (i.e. UAV) by stochastically optimizing autonomous flight control system (AFCS) parameters. For minimizing autonomous flight cost and maximizing autonomous flight performance, a stochastic design approach is benefitted over certain parameters (i.e. gains of longitudinal PID controller of a hierarchical autopilot system) meanwhile lower and upper constraints exist on these design parameters.
Design/methodology/approach
A rotary wing mini UAV is produced in drone Laboratory of Iskenderun Technical University. This rotary wing UAV has three blades main rotor, fuselage, landing gear and tail rotor. It is also able to carry slung loads. AFCS variables (i.e. gains of longitudinal PID controller of hierarchical autopilot system) are stochastically optimized to minimize autonomous flight cost capturing rise time, settling time and overshoot during longitudinal flight and to maximize autonomous flight performance. Found outcomes are applied during composing rotary wing mini UAV autonomous flight simulations.
Findings
By using stochastic optimization of AFCS for rotary wing mini UAVs carrying slung loads over previously mentioned gains longitudinal PID controller when there are lower and upper constraints on these variables, a high autonomous performance having rotary wing mini UAV is obtained.
Research limitations/implications
Approval of Directorate General of Civil Aviation in Republic of Türkiye is essential for real-time rotary wing mini UAV autonomous flights.
Practical implications
Stochastic optimization of AFCS for rotary wing mini UAVs carrying slung loads is properly valuable for recovering autonomous flight performance cost of any rotary wing mini UAV.
Originality/value
Establishing a novel procedure for improving autonomous flight performance cost of a rotary wing mini UAV carrying slung loads and introducing a new process performing stochastic optimization of AFCS for rotary wing mini UAVs carrying slung loads meanwhile there exists upper and lower bounds on design variables.
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The purpose of this paper is to improve autonomous flight performance of an unmanned aerial vehicle (UAV) having actively sweep angle morphing wing using simultaneous UAV and…
Abstract
Purpose
The purpose of this paper is to improve autonomous flight performance of an unmanned aerial vehicle (UAV) having actively sweep angle morphing wing using simultaneous UAV and flight control system (FCS) design.
Design/methodology/approach
An UAV is remanufactured in the ISTE Unmanned Aerial Vehicle Laboratory. Its wing sweep angle can vary actively during flight. FCS parameters and wing sweep angle are simultaneously designed to optimize autonomous flight performance index using a stochastic optimization method called as simultaneous perturbation stochastic approximation (SPSA). Results obtained are applied for flight simulations.
Findings
Using simultaneous design process of an UAV having actively sweep angle morphing wing and FCS design, autonomous flight performance index is maximized.
Research limitations/implications
Authorization of Directorate General of Civil Aviation in Turkey is crucial for real-time UAV flights.
Practical implications
Simultaneous UAV having actively sweep angle morphing wing and FCS design process is so beneficial for recovering UAV autonomous flight performance index.
Social implications
Simultaneous UAV having actively sweep angle morphing wing and FCS design process achieves confidence, high autonomous performance index and simple service demands of UAV operators.
Originality/value
Composing a novel approach to improve autonomous flight performance index (e.g. less settling and rise time, less overshoot meanwhile trajectory tracking) of an UAV and creating an original procedure carrying out simultaneous UAV having actively sweep angle morphing wing and FCS design idea.
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David M. Rosch and Jasmine D. Collins
This study followed 134 university students within a national sample for one or two years, from their initial participation in a LeaderShape Institute session. We examined the…
Abstract
This study followed 134 university students within a national sample for one or two years, from their initial participation in a LeaderShape Institute session. We examined the shape of their trajectories of leadership growth over this course of time, with particular focus on development long after the session had ended. We also investigated the degree to which additional formal leadership development opportunities statistically predicted leadership development. Results indicated a typical non-linear shape to development and suggested that most formal experiences, as a whole, possess little association with leadership growth when controlling for other experiences associated with leadership development in students.
David M. Rosch, Clinton M. Stephens and Jasmine D. Collins
The LeaderShape Institute is a popular immersion-based leadership program that is hosted on dozens of university campuses and conducted nationally each year. As part of a…
Abstract
The LeaderShape Institute is a popular immersion-based leadership program that is hosted on dozens of university campuses and conducted nationally each year. As part of a comprehensive research effort, a sample of 1,279 students at 21 participating institutions completed a pre-test prior to participating, as well as a post-test immediately after and a follow- up test three to four months later. Tests included measures of leadership skills, leadership- oriented self-efficacy, motivation to lead, and motivation to advocate for social issues. Results suggest students make gains in skill, confidence, and motivation to advocate for social issues, but that not all gains emerged similarly across social identity groups. Several differences emerged when comparing gains measured from pre-test to post-test and gains that included follow-up tests. This study provides support for the effectiveness of the LeaderShape Institute, and possesses several implications for the methods used in assessing the development of leadership capacity.
The purpose of this research paper is to recover the autonomous flight performance of a mini unmanned aerial vehicle (UAV) via stochastically optimizing the wing over certain…
Abstract
Purpose
The purpose of this research paper is to recover the autonomous flight performance of a mini unmanned aerial vehicle (UAV) via stochastically optimizing the wing over certain parameters (i.e. wing taper ratio and wing aspect ratio) while there are lower and upper constraints on these redesign parameters.
Design/methodology/approach
A mini UAV is produced in the Iskenderun Technical University (ISTE) Unmanned Aerial Vehicle Laboratory. Its complete wing can vary passively before the flight with respect to the result of the stochastic redesign of the wing while maximizing autonomous flight performance. Flight control system (FCS) parameters (i.e. gains of longitudinal and lateral proportional-integral-derivative controllers) and wing redesign parameters mentioned before are simultaneously designed to maximize autonomous flight performance index using a certain stochastic optimization strategy named as simultaneous perturbation stochastic approximation (SPSA). Found results are used while composing UAV flight simulations.
Findings
Using stochastic redesign of mini UAV and simultaneously designing mini ISTE UAV over previously mentioned wing parameters and FCS, it obtained a maximum UAV autonomous flight performance.
Research limitations/implications
Permission of the directorate general of civil aviation in the Republic of Türkiye is essential for real-time UAV autonomous flights.
Practical implications
Stochastic redesign of mini UAV and simultaneously designing mini ISTE UAV wing parameters and FCS approach is very useful for improving any mini UAV autonomous flight performance cost index.
Social implications
Stochastic redesign of mini UAV and simultaneously designing mini ISTE UAV wing parameters and FCS approach succeeds confidence, highly improved autonomous flight performance cost index and easy service demands of mini UAV operators.
Originality/value
Creating a new approach to recover autonomous flight performance cost index (e.g. satisfying less settling time and less rise time, less overshoot during flight trajectory tracking) of a mini UAV and composing a novel procedure performing simultaneous mini UAV having passively morphing wing over certain parameters while there are upper and lower constraints and FCS design idea.
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This chapter provides a review of existing research on learning gain and related topics in higher education. The methodology adopted is a form of systematic review. The origins…
Abstract
This chapter provides a review of existing research on learning gain and related topics in higher education. The methodology adopted is a form of systematic review. The origins and meaning of learning gain, and its relation to similar terms, are discussed. The ways in which learning gain has been applied in practice and in research are considered. The issues raised by this practice and research are examined, and the various criticisms made are reviewed. Some conclusions are then drawn.
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Katrina Crotts Roohr, Margarita Olivera-Aguilar and Ou Lydia Liu
For more than a decade, there has been an increased focus on the need for accountability and transparency about the value that United States and international higher education…
Abstract
For more than a decade, there has been an increased focus on the need for accountability and transparency about the value that United States and international higher education institutions add to students' knowledge and skills to help increase their economic productivity and career opportunities. This focus on accountability and transparency within the U.S. dates to 2005 when former US Secretary of Education Margaret Spellings established a Commission on the Future of Higher Education to develop a national strategy for higher education reform. This led to an increased focus on measuring value added within higher education institutions and using value-added scores to make institutional comparisons. This chapter presents a brief history of value added within the United States and presents high-level summaries of initiatives, assessments used to measure value added, and a review of how value added is measured. We also present challenges around methodology and interpretation of results. Lastly, we discuss some of the future directions in evaluating value added in higher education and areas for future research.
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This paper aims to investigate the autonomous performance optimization of a research-based hybrid unmanned aerial vehicle (i.e. HUAV) manufactured at Iskenderun Technical…
Abstract
Purpose
This paper aims to investigate the autonomous performance optimization of a research-based hybrid unmanned aerial vehicle (i.e. HUAV) manufactured at Iskenderun Technical University.
Design/methodology/approach
To maximize the autonomous performance of this HUAV, longitudinal and lateral dynamics were initially obtained. Then, the optimum magnitudes of the autopilot system parameters were estimated by considering the vehicle’s dynamic model and autopilot parameters.
Findings
After determining the optimum values of the longitudinal and lateral autopilots, an improved design for the autonomously controlled (AC) HUAV was achieved in terms of real-time flight.
Practical implications
Simultaneous improvement of the longitudinal and lateral can be used for better HUAV operations.
Originality/value
In this paper, the autopilot systems (i.e. longitudinal and lateral) of an HUAV are for the first time simultaneously designed in the literature. This helps the simultaneous improvement of the longitudinal and lateral flight trajectory tracking performances.
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Johnmarshall Reeve and Sung Hyeon Cheon
Our ongoing program of research works with teachers to help them become more autonomy supportive during instruction and hence more able to promote students’ classroom motivation…
Abstract
Purpose
Our ongoing program of research works with teachers to help them become more autonomy supportive during instruction and hence more able to promote students’ classroom motivation and engagement.
Design/methodology/approach
We have published five experimentally based, longitudinally designed, teacher-focused intervention studies that have tested the effectiveness and educational benefits of an autonomy-supportive intervention program (ASIP).
Findings
Findings show that (1) teachers can learn how to become more autonomy supportive and less controlling toward students, (2) students of the teachers who participate in ASIP report greater psychological need satisfaction and lesser need frustration, (3) these same students report and behaviorally display a wide range of important educational benefits, such as greater classroom engagement, (4) teachers benefit as much from giving autonomy support as their students do from receiving it as teachers show large postintervention gains in outcomes such as teaching efficacy and job satisfaction, and (5) these ASIP-induced benefits are long lasting as teachers use the ASIP experience as a professional developmental opportunity to upgrade the quality of their motivating style.
Originality/value
Our ASIP helps teachers learn how to better support their students’ autonomy during instruction. The value of this teaching skill can be seen in teachers’ and students’ enhanced classroom experience and functioning.
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