scholarly journals Introducing Freshman Engineering Students To Experimental Design: Coffee Brewing

2020 ◽  
Author(s):  
Stephanie Farrell ◽  
Zenaida Otero Gephardt
Keyword(s):  
Experimental Design ◽  
Engineering Students ◽  
Coffee Brewing

THE EFFECTIVENESS OF E-INTEGRAL MAP IN SOLVING INTEGRAL CALCULUS PROBLEMS

2016 ◽  
Vol 78 (10) ◽  
Author(s):  
Nor Hazizah Julaihi ◽  
Tang Howe Eng ◽  
Voon Li Li
Keyword(s):  
Experimental Design ◽  
Engineering Students ◽  
Design Research ◽  
Control Group ◽  
Integral Calculus ◽  
Text Book ◽  
Mathematics Knowledge ◽  
Post Test ◽  
Integration Techniques ◽  
The University

The existing gap of mathematics knowledge was identified as the major contributor to the decline in the students’ performance on the Integral Calculus at the university level. This phenomenon has led to university students’ difficulties in identifying the correct integration techniques and developing understanding on applications of the Integral Calculus. This study aims to analyse the effectiveness of e-INTEGRAL MAP in the learning of Integral Calculus among engineering students of advanced Calculus class. A total of 118 diploma engineering students were involved in an experimental design research to study on the usage and effectiveness of e-INTEGRAL MAP. Study was performed on 65 students in control group and 53 students in treatment group, using the pre-test and post-test experimental design methodology where the effectiveness of the maps was measured through their performance scores. Findings indicate that both control and treatment groups showed significant differences in post-test scores during the two months study. The majority of e-INTEGRAL MAP users found the maps very useful, helpful, easy to understand and user-friendly because it was systematically designed. In conclusion, e-INTEGRAL MAP significantly improved the students’ performance and understanding on the topic of Integral Calculus as compared to the conventional text-book learning.

Demonstrating granular flow characteristics easily using LEGO bricks

2020 ◽  
Author(s):  
Thomas Heinze
Keyword(s):  
Experimental Design ◽  
Granular Flow ◽  
Science Communication ◽  
High Speed ◽  
Engineering Students ◽  
Flow Characteristics ◽  
Laboratory Scale ◽  
Mitigation Strategies ◽  
Material Surface ◽  
Scientific Quality

<p>Landslides, rockfalls, and avalanches are re-occurring natural hazards in many parts of the world. Especially snow avalanches are triggered by unaware skiers and hikers. Hazard mitigation technologies are visible to the public in many places, such as along roads or train tracks. To raise awareness of the hazard and to boost acceptance for mitigation strategies, public education about initiation and dynamics of gravitational driven granular mass flows is required. Due to the importance and commonness of those hazards, granular flows are part of the curriculum for geoscience and civil engineering students. In this work, I present an experimental approach using LEGO bricks to educate and talk about granular flow dynamics without oversimplification or a trade-off in scientific value. The chosen setup is highly flexible, allows easy testing of various scenarios and parameter variations, and provides high-quality, scientifically profound data at the laboratory scale. The separate pieces are almost unbreakable and can be reassembled in various combinations. Release height, released amount of mass, flow material, surface roughness, slope shape, channel width and length, as well as position or shape of one or more obstacles can be easily modified. Measurements can be taken using video recordings at high speed from various angles as well as through quantitative analysis of the mass deposit. The presented design is approximately 80 x 60 x 20 cm in length, height and width with material costs less than 50€ without a camera. Flexibility and data quality make the chosen approach a good alternative to handcrafted, single-piece laboratory setups. However, in terms of outreach, science communication, and education, the toy-based approach shows its strongest benefit. Due to the very popular and well-known toy's character, the presented experimental design allows easy interaction with a low inhibition threshold. Due to the easy brick-combining technology of LEGO effects of various protection designs can be quickly tested and visualized. The presented setup has successfully been used in consecutive years in higher education for geoscience and geophysics students as well as on public science fairs. Cameras of commonly available smartphones have been given satisfying results for education purposes. Experience shows that the presented setup stimulates creativity in the user group, as for example with regard to parameter variation, improvements of the experimental design and protection constructions. The practical experience at the laboratory scale facilitates understanding of complex mathematical flow models and the governing parameters of granular flow. Further, the practical work can be used for an introduction into image-based evaluation and analysis techniques and to illustrate scientific methodologies. At a broader public audience, especially children up to the age of 14 seem attracted by the use of a familiar toy system but also for adults the flexibility of the design has been found useful for demonstrations. In this work, the chosen experimental design, its benefits and drawbacks, and its scientific quality are presented.</p>

Pilot of Systematic Ideation Study With Lessons Learned

2010 ◽  
Author(s):  
Linda C. Schmidt ◽  
Noe Vargas Hernandez ◽  
Gu¨l Kremer ◽  
Julie Linsey
Keyword(s):  
Experimental Design ◽  
Treatment Condition ◽  
Engineering Students ◽  
Lessons Learned ◽  
Undergraduate Engineering ◽  
Pilot Work ◽  
Experimental Process ◽  
The Impact

This work describes an experiment to research improving the ideation performance of undergraduate engineering students in classroom settings. This research investigates the impact of TRIZ, increasing emphasis on sketching during design, and using the Pulse Smartpen, on ideation performance. The research team’s goal is to develop an experimental design and protocols for this suite of ideation tools. Successful experimentation will provide a standard way to benchmark ideation tool effectiveness. The experimental design includes training students in the appropriate tools for their treatment condition and presenting students with an ideation design assignment. The design assignment results will be analyzed using ideation measures of novelty, variety, quantity and quality as defined in the literature. Results from pilot work at three institutions are introduced here along with observations on the experimental process to date.

scholarly journals DEVELOPMENT AND USE OF SIMULATION APPS AND PHYSICAL TOYS FOR TEACHING EXPERIMENTAL DESIGN PRINCIPLES

2015 ◽  
Author(s):  
Leonard Lye
Keyword(s):  
Experimental Design ◽  
Teaching And Learning ◽  
Engineering Students ◽  
Design Principles ◽  
Easy Task ◽  
Hands On ◽  
Ipad Apps

Teaching the design and analysis of multi-factored experiments to engineers is not an easy task and any help that makes the process of teaching and learning those skills in a way that is hands-on, engaging, and memorable is always welcomed. In this paper, iPhone/iPad apps for simulating multi-factor processes that have been developed specifically for teaching experimental design to engineering students will be described. Examples of physical toys will also be described. Feedback from students and industry experts has been very positive.

Identifying suboptimalities with factorial model comparison

2018 ◽  
Vol 41 ◽  
Author(s):  
Wei Ji Ma
Keyword(s):  
Experimental Design ◽  
Model Comparison ◽  
Process Models ◽  
Multiple Forms ◽  
Factorial Experimental Design ◽  
Factorial Model ◽  
Multiple Components ◽  
The Many

AbstractGiven the many types of suboptimality in perception, I ask how one should test for multiple forms of suboptimality at the same time – or, more generally, how one should compare process models that can differ in any or all of the multiple components. In analogy to factorial experimental design, I advocate for factorial model comparison.

Combining integrated systems-biology approaches with intervention-based experimental design provides a higher-resolution path forward for microbiome research

2019 ◽  
Vol 42 ◽  
Author(s):  
J. Alfredo Blakeley-Ruiz ◽  
Carlee S. McClintock ◽  
Ralph Lydic ◽  
Helen A. Baghdoyan ◽  
James J. Choo ◽  
...  
Keyword(s):  
Systems Biology ◽  
High Resolution ◽  
Experimental Design ◽  
Integrated Systems ◽  
Microbiome Research ◽  
Constructive Criticism

Abstract The Hooks et al. review of microbiota-gut-brain (MGB) literature provides a constructive criticism of the general approaches encompassing MGB research. This commentary extends their review by: (a) highlighting capabilities of advanced systems-biology “-omics” techniques for microbiome research and (b) recommending that combining these high-resolution techniques with intervention-based experimental design may be the path forward for future MGB research.

Statistics and parallaxes

1978 ◽  
Vol 48 ◽  
pp. 7-29
Author(s):  
T. E. Lutz
Keyword(s):  
Experimental Design ◽  
Statistical Methods ◽  
Review Paper ◽  
Systematic Errors ◽  
Past Experience ◽  
Random Errors ◽  
Trigonometric Parallaxes ◽  
Systematic And Random Errors

This review paper deals with the use of statistical methods to evaluate systematic and random errors associated with trigonometric parallaxes. First, systematic errors which arise when using trigonometric parallaxes to calibrate luminosity systems are discussed. Next, determination of the external errors of parallax measurement are reviewed. Observatory corrections are discussed. Schilt’s point, that as the causes of these systematic differences between observatories are not known the computed corrections can not be applied appropriately, is emphasized. However, modern parallax work is sufficiently accurate that it is necessary to determine observatory corrections if full use is to be made of the potential precision of the data. To this end, it is suggested that a prior experimental design is required. Past experience has shown that accidental overlap of observing programs will not suffice to determine observatory corrections which are meaningful.

Using Video Modeling Intervention and Speech Generating Devices To Teach Requesting Behaviors to Persons With Autism

2011 ◽  
Vol 20 (4) ◽  
pp. 109-113
Author(s):  
Karen Copple ◽  
Rajinder Koul ◽  
Devender Banda ◽  
Ellen Frye
Keyword(s):  
Developmental Disabilities ◽  
Experimental Design ◽  
Communication Skills ◽  
Observational Learning ◽  
Video Modeling ◽  
Single Subject ◽  
Design Studies ◽  
Communicative Behaviors ◽  
Speech Generating Device ◽  
Treatment Package

Abstract One of the instructional techniques reported in the literature to teach communication skills to persons with autism is video modeling (VM). VM is a form of observational learning that involves watching and imitating the desired target behavior(s) exhibited by the person on the videotape. VM has been used to teach a variety of social and communicative behaviors to persons with developmental disabilities such as autism. In this paper, we describe the VM technique and summarize the results of two single-subject experimental design studies that investigated the acquisition of spontaneous requesting skills using a speech generating device (SGD) by persons with autism following a VM intervention. The results of these two studies indicate that a VM treatment package that includes a SGD as one of its components can be effective in facilitating communication in individuals with autism who have little or no functional speech.

The College-Fit Theory and Engineering Students

1983 ◽  
Vol 15 (4) ◽  
pp. 267-273 ◽  
Author(s):  
Ronald G. Taylor ◽  
Robert D. Whetstone
Keyword(s):  
Engineering Students
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