scholarly journals International Comparative Pilot Study of Spatial Skill Development in Engineering Students through Autonomous Augmented Reality-Based Training

Symmetry ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 1401
Author(s):  
Hugo César Gómez-Tone ◽  
Jorge Martin-Gutierrez ◽  
Lili Valencia Anci ◽  
Carlos E. Mora Luis
Keyword(s):  
Spatial Ability ◽  
Engineering Students ◽  
Study Groups ◽  
First Year ◽  
Spatial Skills ◽  
Representational System ◽  
Skill Sets ◽  
Spatial Skill ◽  
Significant Difference ◽  
International Comparative

Spatial ability is made up of several sub-components, such as the ability to perform mental rotation and object-based transformations. Together with each individual’s attitudes and general skill sets, this specific ability plays an important role in technical professions such as engineering. The components of spatial ability can be enhanced using targeted training or educational programs. This study analyses the levels of spatial skills in first-year engineering students at two universities, one in Spain and one in Peru. The purpose of the study is to establish the extent of symmetry between these study groups in terms of their spatial skills. Initial comparisons indicate that the Peruvian students have a lower level of spatial skill prior to training than their Spanish cohorts. AR-based training delivering representational system content was used with engineering students at both universities to boost spatial abilities. The results obtained indicate the training was effective, as both experimental groups made significant gains in their level of spatial ability. No difference was detected in either experimental group for the variable gender. The comparison of spatial ability gains between both countries is similar, although there is significant difference in the spatial ability component spatial visualization. In this instance, gains in this component were higher amongst the student population in Peru.

scholarly journals Development of spatial ability extra tasks (SAET): problem solving with spatial intelligence

2022 ◽  
Author(s):  
Rita Nagy-Kondor ◽  
Saeed Esmailnia
Keyword(s):  
Spatial Ability ◽  
Structural Equation ◽  
Engineering Students ◽  
Spatial Abilities ◽  
Equation Modeling ◽  
First Year ◽  
Curved Surfaces ◽  
Spatial Skills ◽  
Spatial Intelligence ◽  
And Mathematics

AbstractSpatial ability contributes to performance in science, technology, engineering and mathematics (STEM). Spatial skills and creativity are required for engineering studies. Low spatial abilities can lead to the dropout of students’ university studies. In this study the Spatial Ability Extra Tasks (SAET) was developed to evaluate engineering students’ complex spatial abilities. A total of 93 first-year engineering students from University of Debrecen Faculty of Engineering and Sharif University of Technology in Tehran participated, with regard to final mathematical exam and their gender, participated in the study. SAET measures parts of spatial abilities: mental cutting and mental rotation and creativity. Analysis of the findings suggested that SAET is valid and reliable. The separate tests results have been statistically evaluated and conclusions were formulated. We used Structural Equation Modeling analysis. We separate two types of tasks by SAET which are Polyhedron part and Curved Surface part. According to obtained data, accomplished the results: students of University of Debrecen are more successful at Curved Surfaces. In addition students of Sharif University are more successful at Polyhedrons. The square cross section was found by most student in both countries in Polyhedrons. It is remarkable that first-year engineering students of Tehran are more successful at Polyhedrons by pentagon, hexagon and parallelogram solution; and students of Debrecen are more successful by square and rectangle solution. Students of Debrecen are more successful at Curved Surfaces to find circle solution of cylinder, cone and sphere; students of Tehran are more successful by finding parabola solution of cone.

CAD Platform Independent Software for Automatic Grading of Technical Drawings

2017 ◽  
Author(s):  
Sanchit Ingale ◽  
Anirudh Srinivasan ◽  
Diana Bairaktarova
Keyword(s):  
Engineering Students ◽  
Spatial Reasoning ◽  
Learning Experience ◽  
Spatial Visualization ◽  
First Year ◽  
Spatial Skills ◽  
First Year Students ◽  
Pedagogical Tool ◽  
Students Success ◽  
Mechanical Objects

Spatial visualization is the ability of an individual to imagine an object mentally and understand its spatial orientation. There have been multiple works proving that spatial visualization skills can be improved with an appropriate training. Such training warrant a critical place in the undergraduate engineering curricula in many engineering schools as spatial skills are considered vital for students’ success in the technical and design fields [1–4]. Enhanced spatial skills help not only professionals in the engineering field but also everyone in the 21st century environment. Drawing sectional views requires mental manipulation and visual thinking. To enhance students spatial reasoning, one of the authors of this study, conducted a class in spatial visualization. The course-learning goal aimed at improving first-year engineering students’ spatial reasoning through instruction on freehand drawings of sectional view. During the semester, two teaching assistants had to grade more than 500 assignments that consisted of sectional views of mechanical objects. This was a tedious and a time consuming task. Motivated by this experience, this paper proposes a software aiming at automating grading of students’ sectional view drawings. The proposed software will also give live feedback to students while they are working on the drawings. This interactive tool aims to 1) improve the learning experience of first year students, with limited CAD knowledge, and 2) introduce a pedagogical tool that can enhance spatial visualization training.

Training of Spatial Ability on Engineering Students Through a Remedial Course Based on Augmented Reality

2012 ◽  
Author(s):  
Jorge Martín-Gutiérrez ◽  
Cristina Roca González ◽  
Melchor García Domínguez
Keyword(s):  
Augmented Reality ◽  
Spatial Ability ◽  
Visual Information ◽  
Engineering Students ◽  
Statistical Significance ◽  
Control Group ◽  
Spatial Skills ◽  
Specific Training ◽  
Before And After ◽  
Spanish Universities

This paper presents the results of a study designed to evaluate the effect of attending an intensive remedial course based on desktop augmented reality exercises to improve the spatial ability of freshman engineering students. Many of these students have problems in managing visual information or in creating mental models of objects represented by their orthographic projections. The study reports about research on comparison tests about the spatial skills of engineering students from two Spanish universities before and after performing a specific training for improving these abilities. The training was completed by 66 students as participants, considering a control group composed of 25 students from both universities. Results show that students from both universities improve their spatial ability and there is no statistical significance between students from both universities, neither before nor after training, so we may conclude that training’s effect on both universities is analogue.

scholarly journals Implant Stability Changes for a Single Implant Mandibular Overdenture

2021 ◽  
Author(s):  
Karim Fouda ◽  
Ahmed Fahmy ◽  
Khaled Aziz ◽  
Marwa Abdel Aal ◽  
Amr Naguib ◽  
...  
Keyword(s):  
Study Groups ◽  
First Year ◽  
Implant Stability ◽  
Edentulous Mandible ◽  
Significant Difference ◽  
Edentulous Patients ◽  
Mandibular Overdenture ◽  
To Receive ◽  
Single Implant

Abstract Objectives To compare the changes in implant stability for the nonsubmerged and submerged protocols for a single-implant retained mandibular overdenture using Cendres and Metaux Locator attachment throughout a 24-month follow-up. Materials and Methods Eighty edentulous patients who were seeking to install a single implant in the midline of the completely edentulous mandible. At the day of implant installation, patients were randomized into two groups using sealed envelopes: the nonsubmerged and submerged groups. After 3 months of healing period, randomization using sealed envelopes was performed and patients were randomized to receive the Cendres and Metaux Locator attachment. The periotest readings were recorded using the Periotest M device, every 3 months for the first year and annually in the second year. The scope of this clinical trial focused only on results of the Cendres and Metaux attachment. Statistical Analysis The Mann–Whitney U-test was used for comparison between study groups for independent samples. Two-sided p-values less than 0.05 were considered statistically significant. Results There was no statistically significant difference between the mean periotest readings of both groups throughout the 24-month follow-up. Both groups showed an improvement in mean periotest readings with the submerged group tending to show greater stability at 6, 12, and 24-month follow-ups. Conclusions The nonsubmerged and the submerged healing protocols resulted in reliable periotest readings with the submerged group showing greater improvement than the nonsubmerged, although this improvement is nonsignificant when using the Cendres and Metaux attachment for a single mandibular overdenture.

scholarly journals The CAD 3D course improves students’ spatial skills in the technology and design education

2019 ◽  
Vol 7 (1) ◽  
pp. 26-37 ◽  
Author(s):  
Katona János ◽  
Nagy Kem Gyula
Keyword(s):  
Problem Solving ◽  
Spatial Ability ◽  
3D Modeling ◽  
Design Education ◽  
Engineering Students ◽  
First Grade ◽  
Spatial Skills ◽  
Spatial Intelligence ◽  
Computer Aided ◽  
Design Objects

Abstract The nature of 3D ability is deeply considered, but little is known about students’ learning and understandings of technology and about the meaning to become more technologically capable. We considered the spatial intelligence of first-grade engineering students, how much that improved to the effect of 18 times 45 minutes course of computer-aided 3D modeling. We consider the success of our 3D course in spatial intelligence. According to the result of the tests, one-third of the engineer candidates has good spatial intelligence. We introduce some useful problems in 3D education; the presented problems help the students in learning how to solve technology problems, and how to design objects. We offer the intellectual pleasure of problem solving through 3D problems. Our CAD course excellently improves the spatial skills of the middle third of the students. Computer-aided 3D modeling also bridges the gap for students with worse spatial ability. Dealing with students in a more differentiated way about CAD modeling would be advisable.

A Regional University Perspective on Engineering Education of Multi-Cultural Freshman Students From South Pacific Countries

2013 ◽  
Author(s):  
Krishnil R. Ram ◽  
Roneel V. Sharan ◽  
Mohammed Rafiuddin Ahmed
Keyword(s):  
Engineering Education ◽  
Student Performance ◽  
Engineering Students ◽  
South Pacific ◽  
Quality Teaching ◽  
First Year ◽  
Skill Sets ◽  
Ethics And Economics ◽  
Regional University ◽  
The University

Of late, there is a growing need for quality engineers who have the ability to solve complex engineering problems with reasonable knowledge of ethics and economics. This has led many universities to pursue accreditation by professional engineering bodies. While the accreditation process installs a standardized system of quality teaching, it is important that the engineering entrants have a degree of understanding that allows implementation of quality teaching methods. This study looks at the performance of first year engineering students in a bid to identify major issues that students face in a Bachelor of Engineering program. The learning of students in the School of Engineering and Physics at the University of the South Pacific is influenced by interactions of at least 12 different cultures from the 12 member countries of the university. The study looks at how students perform across cultures in the first year mechanical engineering courses, mainly engineering mechanics and engineering graphics & design. The general trend over the last five years shows that while the student numbers in the program have been increasing, student performance in one course seems to be improving but declining in the other; the two courses differ considerable in contents, required skill sets, and assessment methodologies. The study also presents possible reasons for the varied performance by considering issues such as cultural and academic backgrounds, use of teaching tools and resources, and revisions to the course and program and looks at how multi-cultural engineering education can be improved. The number of female students taking up engineering as their major is also looked at and positive trends are seen with female participation increasing from 7.6% in 2008 to 13.9% in 2013.

scholarly journals One-shot or Embedded? Assessing Different Delivery Timing for Information Resources Relevant to Assignments

2013 ◽  
Vol 8 (1) ◽  
pp. 4 ◽  
Author(s):  
Amy Van Epps ◽  
Megan Sapp Nelson
Keyword(s):  
Engineering Students ◽  
First Year ◽  
Speech Communication ◽  
Library Instruction ◽  
Intended Audience ◽  
Engineering Research ◽  
Significant Difference ◽  
Resource Type ◽  
Research And Design

Objective – This study aims to determine if the timing of library in-class presentations makes a difference in the type and quality of resources students use for each of four assignments in an introductory speech class. This comparison of content delivery timing contrasts a single, 50-minute lecture early in the semester with four approximately 12-minute lectures offered just before each assignment. Methods – First-year engineering students taking Fundamentals of Speech Communication provide the study group. Each speech assignment requires students to turn in an outline and list of references. The list of references for each student was given to the librarians, after the assignments were appropriately anonymized, for analysis of resource type, quality of resource, and completeness of citation. Researchers coded a random sample of bibliographies from the assignments using a framework to identify resource type (book, periodical, Web, facts & figures, unknown) and quality, based on intended audience and purpose (scholarly, entertainment, persuasion/bias), and compared them to each other to determine if a difference is evident. The authors coordinated what material would be presented to the students to minimize variation between the sections. Results – The study found a statistically significant difference between groups of students, demonstrating that the frequent, short library instruction sessions produce an increased use of high-quality content. Similarly, the sections with multiple library interactions show more use of periodicals than websites, while completeness of references is not significantly different across teaching methods. Conclusions – More frequent and timely interaction between students and library instruction increases the quality of sources used and the completeness of the citations written. While researchers found statistically significant differences, the use of a citation coding framework developed for specific engineering research and design tasks means the analysis done in this study is not as accurate as it might be with a framework designed for analyzing the resources required for researching and writing speech assignments.

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