Beverage-agarose gel electrophoresis: an inquiry-based laboratory exercise with virtual adaptation

A wide range of literature and experience has shown that teaching methods that promote active learning, such as inquiry-based approaches, are more effective than those that rely on passive learning. Gel electrophoresis, one of the most common laboratory techniques in molecular biology, has a wide range of applications in the life sciences. As such, we chose it as a platform to expose high school and undergraduate students to the active process of scientific inquiry in general, while specifically teaching electrophoresis. First, we optimized DNA electrophoresis in the laboratory by using common beverages instead of standard media (e.g., Tris-based media). Second, we adapted this laboratory process of progressive optimization to a Web-based format in which students had to achieve all the same steps of optimization by performing serial electrophoreses. And third, we evaluated the use of this entirely Web-based virtual laboratory exercise in high school and undergraduate biology courses. Students learned fundamental and practical principles of electrophoresis, while experiencing the essential inquiry-based process of optimizing a technique, and they also enjoyed it. Our findings provide a readily accessible, inexpensive, and intriguing technique for teaching electrophoresis and the progressive optimization of a laboratory technique.     

Phases of inquiry-based learning: Definitions and the inquiry cycle

Inquiry-based learning is gaining popularity in science curricula, international research and development projects as well as teaching. One of the underlying reasons is that its success can be significantly improved due to the recent technical developments that allow the inquiry process to be supported by electronic learning environments. Inquiry-based learning is often organized into inquiry phases that together form an inquiry cycle. However, different variations on what is called the inquiry cycle can be found throughout the literature. The current article focuses on identifying and summarizing the core features of inquiry-based learning by means of a systematic literature review and develops a synthesized inquiry cycle that combines the strengths of existing inquiry-based learning frameworks. The review was conducted using the EBSCO host Library; a total of 32 articles describing inquiry phases or whole inquiry cycles were selected based on specific search criteria. An analysis of the articles resulted in the identification of five distinct general inquiry phases: Orientation, Conceptualization, Investigation, Conclusion, and Discussion. Some of these phases are divided into sub-phases. In particular, the Conceptualization phase is divided into two (alternative) sub-phases, Questioning and Hypothesis Generation; the Investigation phase is divided into three sub-phases, Exploration or Experimentation leading to Data Interpretation; and the Discussion phase is divided into two sub-phases, Reflection and Communication. No framework bringing together all of these phases and sub-phases was found in the literature. Thus, a synthesized framework was developed to describe an inquiry cycle in which all of these phases and sub-phases would be present. In this framework, inquiry-based learning begins with Orientation and flows through Conceptualization to Investigation, where several cycles are possible. Inquiry-based learning usually ends with the Conclusion phase. The Discussion phase (which includes Communication and Reflection) is potentially present at every point during inquiry-based learning and connects to all the other phases, because it can occur at any time during (discussion in-action) or after inquiry-based learning when looking back (discussion on-action).     

Teaching and Research: New relationships and their implications for inquiry-based teaching and learning in higher education

In order to bring teaching and research together, a fuller understanding of how academics conceptualise research and scholarship is needed. The paper discusses different ways in which research and scholarship are conceptualised and then provides two alternative models of the relationship between teaching and research based on different conceptions of teaching and different ideas about the nature of knowledge. The paper suggests that if the relationship between teaching and research is to be enhanced it is necessary to move towards a model based on the notion of academic communities of practice. The implications for higher education of doing this are then examined. It is argued that there is a need to reconceptualise the role of higher education and to renegotiate relationships between teachers and students.     

Teaching and research: new relationships and their implications for inquiry-based teaching and learning in higher education

In order to bring teaching and research together, a fuller understanding of how academics conceptualise research and scholarship is needed. The paper discusses different ways in which research and scholarship are conceptualised and then provides two alternative models of the relationship between teaching and research based on different conceptions of teaching and different ideas about the nature of knowledge. The paper suggests that if the relationship between teaching and research is to be enhanced it is necessary to move towards a model based on the notion of academic communities of practice. The implications for higher education of doing this are then examined. It is argued that there is a need to reconceptualise the role of higher education and to renegotiate relationships between teachers and students.     

Teaching practices linked to the implementation of inquiry-based practical work in certain science classrooms

Around the world, there have been curricula reforms involving the incorporation of the inquiry-based teaching and learning strategy in secondary school science education in general and in practical work in particular. Research in inquiry-based practical work (IBPW) has focused, for example, on aspects of the strategy itself, on teacher professional development, and on classroom teaching and learning based on the strategy. However, the question of the extent to which teaching practices linked to the implementation of practical work are actually inquiry-based, was still to be answered. To draw on the answer to this question to inform professional development practice and research, we focused on the case of physical sciences classrooms in two resource-constrained South African schools. In this regard, we used a conceptual framework based on the Interconnected Model of Teachers' Professional Growth and including a framework of teaching practices. In the data collection, we used a multimethod case study approach and to analyze the data, we combined the inductive and deductive approaches in thematic analysis. The results show that in the initiation, planning, and classroom implementation phases of practical work, many of the teaching practices of participants were inconsistent with inquiry-based teaching and learning, although some other practices were consistent with this type of teaching and learning. At the same time, some of the consistent practices were at a rather low level of implementation. We have discussed the theory-, practice-, and research-based implications of these results, in relation to the implementation of IBPW in resource-constrained physical sciences classrooms in South Africa and internationally.     

Using the inquiry-based learning approach to enhance student innovativeness: a conceptual model

ABSTRACT

Individual innovativeness has become one of the most important employability skills for university graduates. In this paper, we focus on how students could be better prepared to be innovative in the workplace, and we argue that inquiry-based learning (IBL) – a pedagogical approach in which students follow the inquiry-based processes used by scientists to construct knowledge – can be effective for this purpose. Drawing on research which examines the social and cognitive micro-foundations of innovative behavior, we develop a conceptual model that links IBL and student innovativeness, and introduce three teacher-controlled design elements that can influence the strength of this relationship, namely whether an inquiry is open or closed, discovery-focused or information focused and individual or team-based. We argue that an open, discovery-focused and team-based inquiry offers the greatest potential for enhancing students’ skills in innovation. This paper has several implications for higher education research and practice.     

Teaching about sustainability through inquiry-based science in Irish primary classrooms: the impact of a professional development programme on teacher self-efficacy,competence and pedagogy

Abstract

Research suggests that innovative and engaging professional development is instrumental in supporting teachers in developing their competence and confidence in teaching sustainability. An international initiative was developed to explore whether a competencies-oriented Education for Sustainable Development (ESD) professional development model was transferable across three different international contexts (Ireland, Germany and Mexico). This paper reports on the adaptation of this model within the Irish context, through the development of an innovative professional development programme for primary teachers. Through a mixed-methods approach which gathered data via pre- and post-programme surveys, teachers’ reflective journals and post-programme group interviews, the paper explores Irish primary school teachers’ experiences of, and attitudes towards, teaching sustainability through science education after participation in a professional development programme. The findings suggest that this programme, structured around the existing evidence for effective professional development in science education and ESD, positively influences teachers’ self-efficacy, supports teachers’ critical engagement with sustainability competencies and promotes the development of transformative pedagogies for sustainability through Inquiry-Based Science Education.     

Literature review: The role of the teacher in inquiry-based education

Inquiry-based education receives much attention in educational practice and theory, since it provides pupils and teachers with opportunities to actively engage in collaboratively answering questions. However, not only do many teachers find this approach demanding, it also remains unclear what they should do to foster this type of education in their classrooms. Our research question was: Which teaching strategies are used by K-12 teachers when promoting inquiry-based education in their classrooms and what are the reported outcomes?After searching for empirical studies on this topic, we examined 186 studies investigating different ways in which teachers can promote inquiry-based education. Analyses revealed varying teaching strategies, differing with regard to direction (teacher directed, student directed and mixed) and different perspectives of regulation (meta-cognitive, conceptual, and social regulation). Results show that important teacher strategies in metacognitive regulation are: focussing on thinking skills, developing a culture of inquiry, supporting inquiry discourse, and promoting nature of science; in conceptual regulation: providing information on the research topic and focussing on conceptual understanding; and in social regulation: bridging the gap between high and low achievers, organizing student learning in groups and focussing on collaboration processes.     

Teaching transformation under centralized curriculum and teacher learning community: Two Chinese chemistry teachers' experiences in developing inquiry-based instruction

The establishment of centralized curriculum standards and school-based teacher learning communities are presumably necessary to reform science teaching towards inquiry-based instruction in many countries. Drawing on interview, document, and unit plan data from two high school chemistry teachers in China, this study examines these assumptions. Findings indicated that both teachers developed different kinds of science teaching practices despite working under the centralized science curriculum and school-based teacher learning communities. Different teaching experiences of the two teachers and their school cultures of teaching interacted with the centralized curriculum and teacher teaching community to consequently shape their teaching practices in different ways.     

Teaching statistics in biology: using inquiry-based learning to strengthen understanding of statistical analysis in biology laboratory courses

There is an increasing need for students in the biological sciences to build a strong foundation in quantitative approaches to data analyses. Although most science, engineering, and math field majors are required to take at least one statistics course, statistical analysis is poorly integrated into undergraduate biology course work, particularly at the lower-division level. Elements of statistics were incorporated into an introductory biology course, including a review of statistics concepts and opportunity for students to perform statistical analysis in a biological context. Learning gains were measured with an 11-item statistics learning survey instrument developed for the course. Students showed a statistically significant 25% (p < 0.005) increase in statistics knowledge after completing introductory biology. Students improved their scores on the survey after completing introductory biology, even if they had previously completed an introductory statistics course (9%, improvement p < 0.005). Students retested 1 yr after completing introductory biology showed no loss of their statistics knowledge as measured by this instrument, suggesting that the use of statistics in biology course work may aid long-term retention of statistics knowledge. No statistically significant differences in learning were detected between male and female students in the study.     

Inquiry and groups: student interactions in cooperative inquiry-based science

Science education research has recommended cooperative inquiry based science in the primary science context for more than two decades but after more than 20 years, student achievement in science has not substantially improved. This study, through direct observation and analysis, investigated content-related student interactions in an authentic inquiry based primary science class setting. Thirty-one upper primary students were videotaped working in cooperative inquiry based science activities. Cooperative talk and negotiation of the science content was analysed to identify any high-level group interactions. The data show that while all groups have incidences of high-level content-related group interactions, the frequency and duration of these interactions were limited. No specific pattern of preceding events was identified and no episodes of high-level content-related group interactions were immediately preceded by the teacher’s interactions with the groups. This in situ study demonstrated that even without any kind of scaffolding, specific skills in knowing how to implement cooperative inquiry based science, high-level content-related group interactions did occur very briefly. Support for teachers to develop their knowledge and skills in facilitating cooperative inquiry based science learning is warranted to ensure that high-level content-related group interactions and the associated conceptual learning are not left to chance in science classrooms.     

Role of questions in inquiry-based instruction: towards a design taxonomy for question-asking and implications for design

Many theories and models describe the various cognitive processes individuals engage in as they solve ill-structured problems. While diverse in perspectives, these theories and models uniformly agree that essential aspects of complex problem solving include iteration and inquiry. This paper further argues that an important yet overlooked component of knowledge construction during problem-solving is the ability to ask meaningful questions. What is needed, but not adequately articulated and validated, is a theoretical taxonomy of question-asking to better understand and guide a learner’s reasoning process. Based on the expert–novice literature, we proffer the following question taxonomy: shallow/simple (verification, disjunctive, concept completion), testing (example, feature specification, quantification, definition, comparison), and deep/complex questions (interpretation, causal antecedent, causal consequence, goal orientation, instrumental/procedural, enablement, expectation, and judgmental). We, therefore, build on existing theories/models of problem-solving, failure, and reflection and their implications towards a taxonomy of question-asking. Given this taxonomy, researchers and designers can better understand learners’ level of understanding and problem-solving trajectories.

     

Measuring the impact of inquiry-based learning on outcomes and student satisfaction

The aim of this study is to determine the impact of inquiry-based learning (IBL) on students’ academic performance and to assess their satisfaction with the process. Linear and logistic regression analyses show that examination grades are positively related to attendance at classes and tutorials; moreover, there is a positive significant relationship between academic performance and IBL, which is considered useful for better understanding of the subject. While students’ satisfaction is directly associated with class attendance and motivation and with the perceived usefulness of IBL, it is unaffected by attendance at tutorials. We conclude, therefore, that students become more involved in learning and acquire increased knowledge of the subject when an IBL-based method is followed.     

Integrating direct and inquiry-based instruction in the teaching of critical thinking: an intervention study

Critical thinking is a unifying goal of modern education. While past research has mostly examined the efficacy of a single instructional approach to teaching critical thinking, recent literature has begun discussing mixed teaching approaches. The present study examines three modes of instruction, featuring the direct instruction approach and the inquiry-based approach in different sequences and proportions, in enhancing Chinese secondary student’s critical thinking performance. A total of 651 Grade 12 students participated in an 18-hour intervention with pre- and post-intervention measures on critical thinking performance and critical thinking dispositions. Specifically, critical thinking assessments utilizing different response format were used. Those who received training showed greater improvement on at least one of the critical thinking assessments compared to those who received no training. Participants’ performances with regards to different critical thinking assessments are discussed. Benefits of adopting more than one instructional approach to teaching critical thinking are highlighted.     

The use of wikis in a science inquiry-based project in a primary school

This study explored the use of wikis in a science inquiry-based project conducted with Primary 6 students (aged 11–12). It used an online wiki-based platform called PBworks and addressed the following research questions: (1) What are students’ attitudes toward learning with wikis? (2) What are students’ interactions in online group collaboration with wikis? (3) What have students learned with wikis in a science inquiry-based project in a primary school context? Analyses of the quantitative and qualitative data showed that with respect to the first research question, the students held positive attitudes toward the platform at the end of the study. With respect to the second research question, the students actively engaged in various forms of learning-related interactions using the platform that extended to more meaningful offline interactions. With respect to the third research question, the students developed Internet search skills, collaborative problem solving competencies, and critical inquiry abilities. It is concluded that a well-planned wiki-based learning experience, framed within an inquiry project-based approach facilitated by students’ online collaborative knowledge construction, is conducive to the learning and teaching of science inquiry-based projects in primary school.     

The effectiveness of a field observation exercise to learn process management

To address the need for students to better comprehend process management concepts in an undergraduate-level operations management course, we proposed and examined the effectiveness of an experiential learning activity, the Service Process Observation Exercise (SPOE). After teaching process management topics in the form of a traditional lecture, students were offered the opportunity to observe, record, and analyze a live, functioning process and to report their findings. Analyzing exam results following the activity, we found that the students who participated in the SPOE scored 5.3% higher than students who did not participate on items measuring knowledge of process management concepts. No differences were found on items measuring the knowledge of other concepts covered in the course. These findings are robust, even after controlling for potential covariates, suggesting that the SPOE significantly improves student comprehension of concepts directly related to process management.     

Information fluency for undergraduate biology majors: applications of inquiry-based learning in a developmental biology course

Many initiatives for the improvement of undergraduate science education call for inquiry-based learning that emphasizes investigative projects and reading of the primary literature. These approaches give students an understanding of science as a process and help them integrate content presented in courses. At the same time, general initiatives to promote information fluency are being promoted on many college and university campuses. Information fluency refers to discipline-specific processing of information, and it involves integration of gathered information with specific ideas to form logical conclusions. We have implemented the use of inquiry-based learning to enhance and study discipline-specific information fluency skills in an upper-level undergraduate Developmental Biology course. In this study, an information literacy tutorial and a set of linked assignments using primary literature analysis were integrated with two inquiry-based laboratory research projects. Quantitaitve analysis of student responses suggests that the abilities of students to identify and apply valid sources of information were enhanced. Qualitative assessment revealed a set of patterns by which students gather and apply information. Self-assessment responses indicated that students recognized the impact of the assignments on their abilities to gather and apply information and that they were more confident about these abilities for future biology courses and beyond.     

Seeking for the unwelcome truths: beyond celebration in inquiry-based teacher professional learning

This paper seeks to interrupt the dominant discourse of action research that emphasises the celebration of achievements, paying less attention to the ‘unwelcome truths’ that can sometimes be revealed. Building on our work in supporting inservice teacher professional learning thorough practitioner research in contexts such as the Coalition of Knowledge Building Schools, we examine the capacity of practitioner inquiry and student voice to contribute to teachers’ broader professional knowledge base. Welcoming ‘unwelcome truths’ requires a robustness on the part of teachers, an openness to the professional learning and growth that can ensue from genuine critique and reflection. Among other things, asking questions of young people in schools can sometimes yield new and challenging insights into school and learning. We draw on examples from our work with schools and teachers to consider what might be done to make these ‘unwelcome truths’ the basis for the reconceptualisation of practice and catalysts for the ongoing formation of teacher professional identity.     

Implementation of inquiry-based science education in different countries: some reflections

In this forum article, I reflect on issues related to the implementation of inquiry-based science education (IBSE) in different countries. Regarding education within the European Union (EU), the Bologna system has in later years provided extended coordination and comparability at an organizational level. However, the possibility of the EU to influence the member countries regarding the actual teaching and learning in the classrooms is more limited. In later years, several EU-projects focusing on IBSE have been funded in order to make science education in Europe better, and more motivating for students. Highlighting what Heinz and her colleagues call the policy of ‘soft governance’ of the EU regarding how to improve science education in Europe, I discuss the focus on IBSE in the seventh framework projects, and how it is possible to maintain more long-lasting results in schools through well-designed teacher professional development programs. Another aspect highlighted by Heinz and her colleagues is how global pressures on convergence in education interact with educational structures and traditions in the individual countries. The rise of science and science education as a global culture, encompassing contributions from all around the world, is a phenomenon of great potential and value to humankind. However, it is important to bear in mind that if science and science education is going to become a truly global culture, local variation and differences regarding foci and applications of science in different cultures must be acknowledged.     

Teaching the process of science: faculty perceptions and an effective methodology

Most scientific endeavors require science process skills such as data interpretation, problem solving, experimental design, scientific writing, oral communication, collaborative work, and critical analysis of primary literature. These are the fundamental skills upon which the conceptual framework of scientific expertise is built. Unfortunately, most college science departments lack a formalized curriculum for teaching undergraduates science process skills. However, evidence strongly suggests that explicitly teaching undergraduates skills early in their education may enhance their understanding of science content. Our research reveals that faculty overwhelming support teaching undergraduates science process skills but typically do not spend enough time teaching skills due to the perceived need to cover content. To encourage faculty to address this issue, we provide our pedagogical philosophies, methods, and materials for teaching science process skills to freshman pursuing life science majors. We build upon previous work, showing student learning gains in both reading primary literature and scientific writing, and share student perspectives about a course where teaching the process of science, not content, was the focus. We recommend a wider implementation of courses that teach undergraduates science process skills early in their studies with the goals of improving student success and retention in the sciences and enhancing general science literacy.