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Work in Progress: Determining a Mathematical Model to Study the Relationship Between Pedagogical Strategies and the Attainment of Student-learning Outcomes

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Conference

2021 ASEE Virtual Annual Conference Content Access

Location

Virtual Conference

Publication Date

July 26, 2021

Start Date

July 26, 2021

End Date

July 19, 2022

Conference Session

Academic Success and Retention

Tagged Division

Educational Research and Methods

Page Count

9

Permanent URL

https://peer.asee.org/38139

Download Count

12

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Paper Authors

biography

Kuldeep S. Rawat Elizabeth City State University

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KULDEEP S. RAWAT is currently the Thorpe Endowed Professor and Dean of Science, Aviation, Health and Technology at Elizabeth City State University (ECSU). He has earned an M.S. in Computer Science, 2001, an M.S. in Computer Engineering, 2003; and, a Ph.D. in Computer Engineering, 2005, from the Center for Advanced Computer Studies (CACS) at University of Louisiana-Lafayette. He serves as the Site Director for NASA MUREP Aerospace Academy program at ECSU. His areas of interests include embedded systems design, Internet of Things (IoT), remote computing applications, UAS applications research, mobile robotics, and innovative uses of educational technologies. Dr. Rawat may be reached at ksrawat@ecsu.edu.

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biography

Chandra Bhushan Asthana P.E. Elizabeth City State University Orcid 16x16 orcid.org/0000-0001-5090-230X

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Dr. Chandra Asthana completed undergraduate education in aeronautical engineering at the Indian Institute of Technology, Kharagpur, the postgraduate education in aeronautical engineering and Ph. D. in control systems design at Indian Institute of Science, Bangalore. He has worked at Air India, Defense Research and Development, Hyderabad, India, at CAE Inc. Montreal Canada and Lockheed Martin, Netherlands. He has taught at McGill and Concordia University, Canada. He is currently a visiting Associate Professor at Elizabeth City State University. His research interests are in the area of aviation, aerodynamics, control system design, modeling, simulation, aircraft, and unmanned aerial vehicles, teaching and mentoring undergraduate and graduate students.

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Abstract

One of the primary goals of an instructor is to present all the required course material and assess the students learning outcomes (SLOs) as often as possible. The assessment results provide the input to the instructor to adjust, improve, modify, or adopt new pedagogical strategies to achieve better results on SLOs. The intervention techniques or pedagogical strategies employed by the instructor to improve SLOs can be viewed as a controller to the dynamic system of teaching and learning.

In a typical model-driven system design, we have inputs to and outputs from the dynamic system. Drawing an equivalence, the course learning objectives (CLOs) can be identified as the reference input and student SLOs as the output of this system. This dynamic system is a Multi-Input-Multi-Output (MIMO) system since the number of CLOs and SLOs are more than one. Feedback from the output provides an estimate of how far the input or the goal has been achieved. This feedback when compared to input offers an error that needs to be minimized so that the expected output is achieved by the system. The error minimization requires a controller which can be looked at as the intervention technique or pedagogical strategy employed by the instructor in this situation.

However, an appropriate strategy can be established when we know not only how much the students have learned at any time but the rate at which they are learning a particular topic. Such a rate-based model is used in control system design and it is known, in its simplest form, as a linear model where only the first-order rate of each parameter is considered. Thus, a rate-based model of the student learning system would indicate where and how the efforts need to be applied to improve the students learning rate and consequently the SLOs.

The preliminary testing of the model was conducted in a Basic Aerodynamics course, offered at Elizabeth City State University (ECSU). Course tests were administered over a quick interval of time to be able to calculate the learning rate. The Aviation Accreditation Board International (AABI) defined SLOs were used for this course. The weekly test results offered data for these SLOs. Besides the weekly test, each test had more than two questions on one SLO during the two-hour midterm exam and final exam. This provided a shorter time interval to calculate the slopes, which in this case corresponds to the learning rate. These are further combined with the weekly learning rate to compute the linear model. Once a linear mathematical model of the system is available, a suitable controller or pedagogical strategy can be determined using the conventional control system design methodology.

The work-in-progress paper will discuss (i) a detailed approach to formulating a model that provides a relation between SLOs and pedagogical strategies; (ii) intervention techniques employed to reduce the gap in attaining SLO; (iii) technique to measure learning rate; and (iv) preliminary implementation results of the proposed approach in a college course.

Rawat, K. S., & Asthana, C. B. (2021, July), Work in Progress: Determining a Mathematical Model to Study the Relationship Between Pedagogical Strategies and the Attainment of Student-learning Outcomes Paper presented at 2021 ASEE Virtual Annual Conference Content Access, Virtual Conference. https://peer.asee.org/38139

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