Changing the Paradigm in Teaching Statics
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Changing the Paradigm in Teaching Statics Dr. Peggy C. Boylan-Ashraf San Jose State University learning can promote better understanding of fundamen- Statics is a fundamental discipline in engineering and Abstract tal knowledge concepts among students. was chosen because of its concepts and applications6,33 Introductory fundamental engineering mechanics Student-centered learning (SCL) was first introduced that are so basic in engineering. It is a fundamental pre- (IFEM) courses, such as statics, mechanics of materials, in the 1960s under a reformed pedagogical model called requisite for subsequent courses such as mechanics, dy- dynamics, and fluids are based primarily on physics and guided inquiry 18. SCL is usually introduced in 3 phases namics, and tool design 5,28. Many researchers 5,6,28,33 have mathematical concepts. In this paper, we suggest that - an exploration phase, an invention phase, and an ap- argued that performance in courses such as dynamics and new methodologies and active learning pedagogies, plication phase. This pedagogical system has been found mechanics correlate to success or knowledge in statics. must be included in IFEM classrooms. This study focuses to be beneficial to students, providing them with better In the past, statics has been taught in traditional on a new paradigm in IFEM courses, identifying a new conceptual understanding compared to students who lecture style classroom scenarios. According to research direction in engineering curriculum development— and were taught using the more traditional methods or pas- in human learning 43,46, humans think, learn, and solve emphasizes active rather than passive learning. Demo- sive, teacher-centered pedagogies. 4,26, 42. problems by making connections and associations to graphics of this study included 4,937 students, of whom Traditional-teacher centered learning (TCL) has meth- previous experiences. Several researchers 13,43,46 have 4,282 (86.7%) are males and 655 (13.3%) are females. odologies that are based on verbal and printed words, rote argued that if the fundamental concepts are learnt in a The study was conducted over seven years, from 2006 to memorization, and is also instruction driven 38. Stu- passive manner, through lecture or passive reading, the 2013. The undergraduate majors of the students included dents who are taught with traditional instruction driven experience may not have the potential to build connec- aerospace engineering, agricultural engineering, civil en- methods are given the concepts they should know and tions or bolster learning. Thus, the determining factors gineering, construction engineering, industrial engineer- the lessons are presented in a deductive rather than an that could facilitate academic success in statics should ing, materials engineering, and mechanical engineering. inductive manner 10,16, where the instructor conducts les- be a major concern in engineering specifically, and in Results of the study, obtained from an independent sons by introducing and explaining concepts to students, education generally, and can have an impact on cur- sample t-test, validated by using a non-parametric in- and then expects students to complete certain tasks to riculum development. dependent samples test and a general linear univari- apply these concepts that have been taught. This type of ate model analysis, indicated that there is a difference teaching method lacks individual thought or contribution Literature Review between the teacher-centered pedagogy, with classes and is based on rote learning. Modern student-centered A. Introduction: Creating a Meaningful taught passively and the student-centered pedagogy, learning types include project-based learning, case-based Curriculum in Introductory, Fundamental with classes taught actively. learning, and discovery learning, with 3 instructional Engineering Courses The principal aim of this work is to propose a convinc- approaches of active learning, cooperative learning, and Since the early 1970s, the major emphasis on curricu- ing argument using the data accumulated over seven years, problem-based learning 30. lum development in engineering education has been on 9,31,44 that a new paradigm utilizing student-centered pedagogies This paper is based on a quantitative study, and is the implementation process . Even now engineering in teaching IFEM courses should be emphasized over tradi- designed to explore variables related to academic success curriculum development continues to remain a challenge tional, passive, teacher-centered pedagogies. After evalu- of students. It also investigates the most effective way in education and possibly requires a collective effort to ating the effects of several variables on students’ academic to teach IFEM courses in large lectures, comparing tradi- build a new and different form of teaching engineering success, the results may provide important information for tional pedagogy, TCL, which is the full 50-minute lecture, classes, particularly IFEM courses. Research on engineer- both faculty and researchers and present a convincing argu- three times a week to an experimental (student-based) ing education has tried to emphasize teaching delivery 2,7,23,37 1,9,35 ment to those faculty interested in reform, but hesitant to pedagogy, SCL, which is the 50-minute, three times a and a meaningful curriculum . Policy mak- abandon conventional teaching practices. By promoting week class centered not on instructions or lectures, but ers, curriculum specialists, university educators, and par- student-centered, active learning strategies, the potential on active learning. IFEM courses generally include statics, ent groups, have all sought the perfect method to teach for improving understanding of engineering fundamentals mechanics, and dynamics, and these subjects are essential students. The emphasis has been on project-based learn- on a larger scale may be realized. course components of engineering disciplines 40. The vari- ing, case-based learning, discovery learning, with three ables used for this study are demographic characteristics instructional approaches of active learning, cooperative of students and grades earned in class. This study was learning, and problem-based learning 30. Introduction conducted using data over a period of seven years—from Educational reformer John Dewey 11, suggested a In this paper, a new paradigm of IFEM education is 2006 to 2013—in statics (EM 274) as taught at Iowa profound curriculum change. Dewey believed that all proposed. It is proposed that this new paradigm based on State University. Data has been collected from multiple genuine education comes from experience and identified student-centered learning, rather than teacher centered instructors in the school, teaching multiple sections. two forms of education —traditional and progressive. 27 Journal of STEM Education Volume 21 • Issue 2 June-September 2020 Dewey argued that every experience lives on or becomes tered collaboration model in which teacher and students the top twenty schools in the nation. Within the engineer- embedded in future experiences and traditional education can co-create the learning experience. ing division, bachelor’s degrees are awarded in aerospace, do not give genuine experiences, whereas progressive The role of the instructor in the engineering class- chemical, civil, industrial and manufacturing, mechanical, education insists upon the quality of the experiences. The room cannot be separated from the theories of learning. and computer science engineering 17. The population, type of curriculum Dewey recommended was not cre- To understand the complex process of learning, theories from which the respondents were drawn, are undergradu- ated by “experts” outside the classroom; but according to about human learning can be categorized into six broad ate students enrolled in statics of engineering (EM 274) Dewey, must be created between the instructor and the paradigms - behaviorism, cognitivism, constructivism, from Fall 2006 to Spring 2013. The sample consisted of a students collaboratively, inside the classroom. experiential, humanistic, and social-situational learning total of 4,937 students, of whom 4,282 (86.7%) are males Emphasizing on Dewey’s principles, several other theories 39. Out of these six theories of learning, the con- and 655 (13.3%) are females. The students’ majors in- scholars such as Alwerger and Flores 3 suggested that structivism theory of learning has often been used as a cluded: aerospace engineering, 776 (15.7%); agricultural “learners (both instructor and students) should be at the model to construct a theoretical perspective in engineer- engineering, 208 (4.2%); civil engineering, 792 (16.0%); center of learning, asking critical questions, engaging in ing education 12,20,41,45. Constructivism that largely aligns construction engineering, 492 (10.0%); industrial engi- meaningful problem-posing and problem-solving, and with engineering education is a theory of learning that neering, 372 (7.5%); materials engineering, 251 (5.1%); creating and recreating knowledge”. Harste 15 stated proposes that a learner’s knowledge comes from his/her and mechanical engineering, 1,732 (35.1%) students. that curriculum has a meaning-making potential where already accumulated knowledge, like the purposeful, re- There were 314 students (6.4%) who were enrolled out- “knowledge is created, and recreated at the point of expe- flective, and methodical nature of engineering. There are side the majors mentioned above. rience, and provides