Curriculum and Society: Rethinking the Link

This article argues that the link between educational curricula and society as a whole has become critically uncertain. This crisis is linked to a number of factors related to the post-modern world view, including: the disappearance of grand utopian social visions of the kind that used to underpin educational policy; the lack of adequate theoretical tools; and the way in which academics are exposed to a multitude of different cultural norms. The author argues that this situation calls for a fundamental re-thinking of the link between curriculum and society, based on a more flexible and pluralistic approach.     

The Science of a Sundae: Using the Principle of Colligative Properties in Food Science Outreach Activities for Middle and High School Students

The opportunities for outreach activities for professionals and academics in food science are extensive, as too are the range of participants’ experience levels and platforms for delivery. Here, we present a set of activities that are readily adaptable for a range of students (ages 10 to 18) in multiple platforms (demonstration table and hands‐on workshop). Our activity, collectively called “The Science of a Sundae,” has three units, one for each of the three parts of a sundae: the caramel sauce, the cherry, and the ice cream. In each unit we use these familiar food items to illustrate how colligative properties (or, simply, “solutions” for younger students) impact the chemical, microbiological, and sensorial properties of food. We have used these activities to present to over 1000 students and their parents/chaperones. Grade levels of student participants have ranged from 5th grade through high school, and these activities have been presented in the form of a demonstration table at science events as well as a set of three 45‐minute workshops in a classroom setting. Educational impact of these activities was evaluated with 7th grade students (n = 77) who participated in the 3‐phase workshop. On average, students who took the posttest (after participation in the workshop) scored 36% higher than students who took the pretest (prior to participation in the workshop). These results and instructor observations suggest the merit of this lesson and its adaptability among ages and platforms.     

Creating supportive and subversive spaces as professional dyads enact culturally relevant teaching

Abstract

In 2013, several leaders of the Early Childhood Education Assembly (ECEA) of the National Council of Teachers of English (NCTE) developed a multi-year project called Professional Dyads and Culturally Relevant Teaching (PDCRT). Funded by NCTE, early childhood teacher/teacher-educator dyads from various locations across the United States work together for two years to investigate, generate, implement and document culturally relevant pedagogies in their respective early childhood contexts. This article outlines some of the work of two PDCRT dyads conducted from 2013 to 2015. The project was developed in response to the long-time need for culturally relevant early childhood education and teacher education reform by focusing on overturning inequitable practices that ignore, misrepresent or marginalize children and families of Color, emerging bi/multilinguals and children from low-income communities. We argue that the PDCRT dyad model is an innovative avenue for addressing inequitable educational realities in the Eurocentric educational system that persists in the US and for moving equity work forward.     

Evaluation of the degree of coherence found in students' conceptions concerning the particulate nature of matter

Students' conceptions are characterized by some authors as having a high degree of coherence while, in the minds of others, they show little coherence and great heterogeneity. The objective of this study was to throw light on this problem by reference to the particulate nature of matter, a topic where great discrepancies have been observed in the degree of coherence shown by students. We interviewed 43 students aged 9–22 years to evaluate the coherence of their replies, using a questionnaire in which different methodological strategies are incorporated, as will be explained below. A qualitative analysis of the students' replies to the interviewer's questions permitted a group of empirical categories to be established, which were then arranged hierarchically. The quantitative analysis of these categories gave rise to new categories, which we call structural categories. These permitted us to select the most significant variables, to identify the different types of conceptions held by the subjects and to assign to each a given level of conceptualization. They also revealed the high degree of coherence in the replies given to different tasks. The usefulness of the proposed method for studying students' conceptions and for evaluating their degree of coherence is confirmed. © 2006 Wiley Periodicals, Inc. J Res Sci Teach 43: 577–598, 2006     

Strategies of Number Sense in Pre-service Secondary Mathematics Teachers

This paper presents some results of an investigation on the number sense of a group of pre-service secondary teachers from Spain. The objective of this research was to analyze students’ use of strategies associated to number sense and compare them with those obtained in a previous study with pre-service primary teachers in Taiwan, (Yang, Reys & Reys, International Journal of Science and Mathematics Education, 7, 383–403, 2009). Pre-service secondary teachers showed lower success than pre-service primary teachers in a number sense test. Nevertheless, these last based their reasoning mainly on rules and algorithms, while pre-service secondary teachers used more strategies of number sense. In an attempt to delve into the low success shown by of Spanish pre-service secondary teachers, some students were interviewed. Those interviews showed that a deeper work on number sense in the training of these students is needed.     

The development of scientific reasoning skills in conjunction with collaborative writing assignments: An interpretive study of six ninth-grade students

In this investigation, three classes of ninth-grade general science students participated in a collaborative report-writing intervention. The purpose of this portion of the study was to evaluate students' collaboratively written laboratory reports for evidence of the use of scientific reasoning skills and to document qualitative changes in reasoning skill use over time. The participants in the study were 6 ninth-grade students, representing three collaborative writing pairs. During the intervention, students wrote 10 laboratory reports over a 4.5-month period. The author and classroom teacher designed report guideline prompts to scaffold students in the use of relevant scientific reasoning skills. The results indicated that students used reasoning skills to assess their current models of scientific understanding, make observations, interpret the meaning of results, and generate new models based on their data and relevant information. Participants showed the most improvement in writing that reflected the reasoning skills of (a) selecting and processing textbook passages, (b) drawing conclusions and formulating models, and (c) comparing/contrasting. Over time, participants improved their ability to compose explanations that represented a synthesis of prior knowledge, activity observations, and other sources of information. Collaborative writing encouraged students to construct their own understandings of science concepts by creating an environment in which thinking, reasoning, and discussion were valued.