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FEATURES |

* San Francisco State University, San Francisco,
CA 94132; and
Department of Biological
Sciences, University of Delaware, Newark, DE 19716
| UNDERGRADUATE SCIENCE TEACHINGTHE GREAT UNTRAINED PROFESSION |
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It will not be news to anyone reading this article that university and college teaching is to a large extent a profession with no formal training. It's startling but true that the majority of faculty membersand lecturers who often teach large numbers of studentshave no formal training in the teaching and learning of their discipline. In fact, the hiring process in university science departments is structured primarily to evaluate a faculty candidate's ability to be a productive researcher, with success measured in number of publications and magnitude of grant funds raised. Depending on the type of institution, for example, research university, state-level university, or liberal arts college, there may be a component of the faculty interview process that probes a candidate's teaching ability, for example, requesting a statement of teaching philosophy and requiring the candidate to teach a sample lecture class. However, this sample lecture often screens for gross inadequacies, rather than looking for stellar innovations or pedagogical skills.
This lack of formal, accredited training for university and college instructors stands in stark contrast to the requirements for a high school teacher who is charged with the education of students only a year junior to college freshmen. High school teachers in the United States must be credentialed as a secondary science teacher, demonstrate subject matter competency in every subject that they will be teaching, and must continually engage in professional development in the teaching and learning of their discipline throughout their career as a science teacher. With the 2002 federal No Child Left Behind legislation, the onus is upon each precollege science teacher to become "highly qualified" in terms of formal university-level training in science education.
However, no such required professional training or measurable standards for teaching are required in institutions of higher education. Many policy documents have suggested standards of teaching practice in postsecondary science education (National Research Council, 1996, 1997; Siebert and McIntosh, 2001), but the extent of implementation of these ideals is unclear and has gone relatively unstudied, although national and regional accreditation boards do look at outcomes, asking colleges and universities to assess what their students have gained from four years of study at their institutions. Nonetheless, there is a striking reversal of accountability that happens when one crosses the precollege teaching to college-level teaching boundary (Table 1). During the K12 school years, society expects K12 teachers to be responsible for student learning. Salaries of teachers in many states are tied to student test scores, and poor student performance can potentially invoke penalties. At a college or university, several variables in the educational universe shift. Students are the ones responsible for learning. The evaluation and compensation of college-level teachers is not tied to student performance, and poor student performance is blamed on students being unmotivated, lazy, or poorly prepared by those science teachers in the precollege arena. This difference no doubt has its roots in the past, when K12 education was compulsory, but college/university attendance only optional and assumed to be market driven. Students would attend an institution of higher learning only if they felt that such attendance was of value to them, and they could judge the product and value for themselves. But times have changed; as our economy becomes more knowledge driven, there is an overflow of students at the doors of colleges and universities seeking a coveted and much needed college degree for advancement in the world. The need to provide a much larger percentage of the population with higher education has put a further strain on the system, leaving college-bound students with fewer options. Under these circumstances, the contrast between historically compulsory K12 education and now necessary higher education begins to dim. Universities and colleges thus have a special obligation to provide the best possible learning environment for all students, even in the face of limited resources, particularly at underfunded state institutions. That said, real progress might be made in the teaching of the sciences by integrating pedagogical training into the graduate experiences of future science faculty. By providing our budding Ph.D.s, our future faculty, with meaningful exposure to "best practices" in a variety of teaching settings, we could begin to articulate the science education pathway for students, K16, and transform college and university-level teaching into a significantly better trained profession.
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| THE LIMITATIONS OF TRADITIONAL GRADUATE TEACHING ASSISTANTSHIPS |
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Depending on the level of funding available to support graduate training, individual students may teach only minimally for one semesteras is common in graduate programs at medical schools without undergraduate populationsor more commonly, may be engaged throughout their scientific training in continuous employment as a teaching assistant as the primary source of their livelihood.
However, experiencing teaching as a graduate teaching assistant is not in and of itself equivalent to the integration of pedagogical development into graduate study. Many teaching assistantships are "sink-or-swim" experiences for graduate students, with little or no formal training in science education, no theoretical grounding in general teaching methods, and often no training in discipline-specific classroom strategies. Teaching assistantships have traditionally been trial-and-error opportunities to teach. Even the most dedicated student would be hard pressed to learn about the intricacies and research base of science-specific pedagogy in an unsupported teaching assistantship.
| BEYOND THE TRADITIONAL GRADUATE TEACHING ASSISTANTSHIP: ALTERNATIVE APPROACHES TO INTEGRATING PEDAGOGICAL DEVELOPMENT INTO GRADUATE TRAINING |
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The Preparing Future Faculty Initiative
Founded in 1993, the Preparing Future Faculty (PFF) initiative has aspired
to develop programs that explicitly train future faculty in the arenas of
teaching, research, and service (PFF,
2005). Supported by the Pew Charitable Trust, the National Science
Foundation (NSF), and private donations, the PFF Initiative recognizes that
"... there is a mismatch between doctoral education and the needs of
colleges and universities that employ new Ph.D.s. The traditional Ph.D. is a
research degree, preparing, for example, historians, chemists, and
sociologists. The degree does not prepare these highly skilled research
professionals to be faculty members."
Over the last decade, PFF has engaged more than 295 institutions in developing programs for graduate students to enhance their professional preparation and better equip the future professoriate with the skills to excel in teaching at the undergraduate level. Most PFF sites offer opportunities for graduate students to attend workshops on pedagogical techniques, to experience undergraduate teaching in conjunction with a mentor, and to receive feedback on their individual teaching. For some colleges and universities, the initiation of a PFF program, even in the absence of significant funding, has nucleated a structured forum for graduate students to receive encouragement and assistance in developing teaching skills. PFF is not solely focused on issues of teaching but is more broadly engaged in the development of professional skills across the domains of teaching, research, and service. Unfortunately, the extent of PFF across the country is still limited, because it requires that an institution or department pursue the development of such a program, and for whatever reasons, there are relatively few biology-focused PFF programs. Nonetheless, PFF programs have very significantly "legitimized conversations about teaching" (Deneef, 2002), and there are many examples of enduring PFF programs that can serve as models for other institutions (PFF, 2005). Most successful PFF programs run across multiple disciplines within a college or university. For example, Duke University participated in the 19982000 phase 3 of the national PFF program, which focused on developing PFF programs in the math and sciences. As a result, Duke University now in 2005 has a PFF program across its multidisciplinary graduate school (http://www.gradschool.duke.edu/professional_development/preparing_future_faculty/). The Duke program accepts more than 30 PFF graduate students into the formal program each year, and more than one-half of these students are based in science and math departments. In addition, Duke University also offers a Teaching Certificate in Biology, which is more focused on discipline-specific issues (http://www.biology.duke.edu/teachcert/). Graduate students in biology are encouraged to take advantage of both opportunities. Another more recent example of a PFF program is one founded in 2004 by a group of graduate students and postdoctoral fellows at the University of California, San Francisco (UCSF) interested in increasing their opportunities for training in teaching (http://www.ucsf.edu/pff/). This program is focused on the development of future biomedical and health scientists. Given the focused biomedical nature of the institution itself, this UCSF PFF program is rooted firmly in the issues of science and more specifically future biology faculty. For those interested in learning more about initiating a PFF program at their own institution, the national organization has an online publication, Preparing Future Faculty in the Sciences and Mathematics: A Guide for Change (http://www.preparingfaculty.org/PFFWeb.PFF3Manual.htm; Pruitt-Logan et al., 2002).
The NSF GK12 Fellowship Program: Developing Pedagogical Skills in the K12 Arena
Another innovative approach to integrating pedagogical training into the
graduate experience does so in the context of K12 science classrooms.
Founded in 1999 by then NSF Director Rita Colwell, the NSF GK12
Graduate Teaching Fellows Program offers graduate student scientists the
opportunity to develop and hone their teaching skills while simultaneously
partnering 1015 hours per week in K12 classrooms with teachers
and students in their communities. Fundamentally structured as a training
grant, GK12 grants are awarded not to individual graduate students but
to discipline-based university faculty. NSF GK12 grants require
collaboration among members of an institution's science departments and
education departments and explicitly require the institution to develop
pedagogy training courses to prepare participating graduate students for their
teaching experiences (Figure
1).
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The GK12 programs across the country vary greatly in their structure (e.g., one graduate studentone teacher partnership or multiple graduate students partnering with a school faculty), focus (e.g., ocean science, elementary science, or high school biology), and history of duration. As an example, the Vanderbilt-Meharry-Tennessee State University GK12 program (founded in 1999) has partnered specifically with middle school teachers in the local Nashville schools (http://www.vanderbilt.edu/GTF/desc.php) and has pioneered an intensive multiweek summer institute to prepare graduate students for science teaching and partnerships with teachers in K12 classrooms. Access Science, the GK12 effort at the University of Pennsylvania, partners both undergraduates and graduate students with K12 teachers and students in local Philadelphia public schools and has pioneered a community-service learning course work approach to sustaining the GK12 efforts for years to come (http://www.upenn.edu/ccp/programs/AccessScience/about_us.shtml). To explore the entire variety of programs across the country, one can peruse the NSF abstracts of 114 awards (NSF, 2005). Because the first GK12 grants were awarded in 1999, the most experienced programs are in their sixth year, and many of these programs are creatively addressing the NSF's charge to institutionalize these pedagogical training experiences for graduate students. Of great interest will be the extent to which the teaching techniques that graduate students learn in the K12 sector through their GK12 experiences can and will transfer to their teaching at the undergraduate level as future faculty. This question will no doubt be the subject of many research efforts in science education.
Using Graduate Student Teachers within Large-Enrollment Courses
An alternative approach to integrating pedagogical training into the
graduate experience can be the use of graduate students as "peer
coaches" or "small group monitors" in the context of
large-enrollment courses. This approach has been successfully used in engaging
undergraduates in supporting faculty using active-learning techniques, such as
problem-based learning, in large-enrollment courses
(Allen and White, 1999;
Platt et al., 2003).
Using graduate students as well as undergraduates as part of such an approach
could avoid the common isolation of graduate teaching assistants alone in a
laboratory section. One structure would be to convene a team of graduate
student coinstructors who work closely with an experienced faculty member.
This approach would seem to be mutually beneficial, supporting a faculty
member in attempting more innovative pedagogical approaches, while offering
the graduate student a mini-course in teaching through weekly planning
sessions and actual implementation in the classroom with a teaching team. The
major impediment to this approach becoming more widespread is the requirement
that an already innovative faculty member be willing to adapt their teaching
to include training of peer coaches. On the positive side, this approach can
address the continued problem of the large-enrollment university classroom,
increase the number of teaching assistantships in lecture courses, and engage
trainees in techniques of active learning in what is otherwise a traditionally
passive lecture class.
Teaching Workshops and Orientations for Graduate Student Teaching Assistants
Increasingly, college and universities are offering at least some
preparation and training for graduate teaching assistants, recognizing that
the lack of training has a significant potential negative effect on
undergraduate teaching and learning
(Bartlett, 2003). The profile
of training varies widely. University teaching assistant training can be as
minimal as a half-day workshop that is offered across disciplines as disparate
as English and chemistry (Rushin et
al., 1997). These workshops tend to emphasize general
university policies on topics such as plagiarism and sexual harassment and as
such contribute minimally, if at all, to the pedagogical development of
graduate students (Carroll,
1980; Rushin et al.,
1997). Some universities go further in offering single or
multiple-department workshops that can range from a half-day to a week.
However, there often is little if any follow-up on these initial training
experiences, and graduate students generally express dissatisfaction with the
adequacy of these types of workshops in preparing them for teaching
(Rushin et al.,
1997).
In an effort to extend pedagogical training for graduate students, some departments have developed an accompanying course taken by teaching assistants, in which they meet weekly as a group, often with a faculty or laboratory coordinator (Roehrig et al., 2003; Luft et al., 2004). In these examples of an accompanying pedagogy course, the content addressed is common among all of the teaching assistants participating, and thus the workshop affords the opportunity to discuss discipline-specific pedagogical issues. For example, common student misconceptions might be addressed; this can have a transformative effect on graduate student conceptions of teaching (Hammrich, 1996). In this course context, graduate students can also discuss upcoming laboratory exercises and related teaching strategies and in some cases engage in peer observation and feedback with fellow graduate student teachers (Roehrig et al., 2003). In addition to peer observation and feedback, videotaping of teaching assistants with subsequent feedback by a teaching mentor has been shown to have a positive influence on the subsequent effectiveness of teaching assistants in undergraduate classrooms (Dalgaard, 1982).
Although the increased offering of teaching workshops, orientations, and support courses for teaching assistants is a substantial improvement, it is only the beginning. For future faculty to be adequately trained in teaching and prepared to implement modern, inquiry-based approaches to science learning, we need to begin to integrate pedagogical training into the training of future scientists as a regular practice. As such, this aspect of professional preparation needs to become part of the graduate curriculum. This will provide opportunities for scientists to go beyond learning a few general teaching strategies to begin to understand the challenges and strategies specific to their own discipline (Hammrich, 1996). Most likely, the integration of such coursework into graduate training will be best accomplished by collaboration across disciplinary and structural divides, including faculty from Colleges of Science, skilled K12 teachers, and science educators from Colleges of Education.
Training Science Faculty to TeachImplications for K12 Science Education
Because teacher qualityat all levels of the educational
systemis a key predictor of student success
(Darling-Hammond and Barnett,
1998), the teaching abilities of science faculty in undergraduate
classrooms are absolutely critical. To continue to engage young people in the
excitement of science and engender in them a desire to pursue science as a
career has a direct impact on the community of science itself. Yet, research
shows that poor teaching abilities in college and university faculty are
turning students away from science who would otherwise be assets to the
scientific research enterprise (Tobias,
1990; Seymour and Hewitt,
1997; Tanner and Allen,
2004). In addition, a second influence of science faculty derives
from the fact that they play an integral role in the preparation of future
middle and high school science teachers enrolled at their institution. If one
subscribes to the adage that "one teaches the way one was taught,"
then effective pedagogy becomes doubly important for this student group. In
fact, evidence from a recent study on this topic suggests that high school
biology teachers who have experienced reformed undergraduate courses that use
more inquiry-based teaching techniques are more likely than a comparison set
of teachers to 1) exhibit these pedagogical styles in their high school
classrooms and 2) have students that show significantly higher levels of
achievement on measures of scientific reasoning and biological concept
knowledge (Adamson et al.,
2003).
Building a Research Literature on the Effective Pedagogical Training of Future Biology Faculty
There have been a variety of research studies over the last three decades
into the training of graduate students across all university disciplines in
teaching, but the research literature specifically addressing the integration
of professional development in teaching for future scientists is minimal.
Recent articles in the fields of geoscience and chemistry have called for more
research into the effectiveness of graduate teaching assistant training
programs and an analysis of discipline-specific programs to promote the
pedagogical development of young scientists
(Roehrig et al.,
2003; Luft et al.,
2004). Clearly, more extensive research on the effectiveness of
different approaches to training science graduate students in the teaching of
their disciplines is needed, especially in the area of life science education,
if we are to generate both a definition of what it means to be a well-trained
university science teacher and a menu of effective strategies for integrating
this into the graduate experiences of future science faculty.
Have you pioneered a supporting pedagogical course for your graduate teaching assistants? How have you assessed the effectiveness of your efforts? What evidence do you have that your approaches influence the teaching skills and pedagogical stance of scientists-in-training? To what extent have individual programs developed under the umbrella of PFF or the NSF GK12 Fellowships been successful in crafting transformative training experiences for graduate students in science teaching? CBELife Sciences Education welcomes manuscripts from faculty in the life sciences who are pioneering innovative approaches to integrating pedagogical instruction into graduate training. The quality of undergraduate science education for both future scientists and future science teachers will depend on how successful we are at developing an effective training paradigm for our great untrained profession of university science teaching.
Address correspondence to: Kimberly Tanner (kdtanner{at}sfsu.edu).
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