Accelerating chronically unresponsive children to tier 3 instruction: what level of data is necessary to ensure selection accuracy?

Response-to-intervention (RTI) approaches to disability identification are meant to put an end to the so-called wait-to-fail requirement associated with IQ discrepancy. However, in an unfortunate irony, there is a group of children who wait to fail in RTI frameworks. That is, they must fail both general classroom instruction (Tier 1) and small-group intervention (Tier 2) before becoming eligible for the most intensive intervention (Tier 3). The purpose of this article was to determine how to predict accurately which at-risk children will be unresponsive to Tiers 1 and 2, thereby allowing unresponsive children to move directly from Tier 1 to Tier 3. As part of an efficacy study of a multitier RTI approach to prevention and identification of reading disabilities (RD), 129 first-grade children who were unresponsive to classroom reading instruction were randomly assigned to 14 weeks of small-group, Tier 2 intervention. Nonresponders to this instruction (n = 33) were identified using local norms on first-grade word identification fluency growth linked to a distal outcome of RD at the end of second grade. Logistic regression models were used to predict membership in responder and nonresponder groups. Predictors were entered as blocks of data from least to most difficult to obtain: universal screening data, Tier 1 response data, norm referenced tests, and Tier 2 response data. Tier 2 response data were not necessary to classify students as responders and nonresponders to Tier 2 instruction, suggesting that some children can be accurately identified as eligible for Tier 3 intervention using only Tier 1 data, thereby avoiding prolonged periods of failure to instruction.     

Science teachers' knowledge about and attitudes towards the use of models and modelling in learning science

A semi-structured interview was used to enquire into the knowledge of models and modelling held by a total sample of 39 Brazilian science teachers working in 'fundamental' (ages 6-14 years) and 'medium' (ages 15-17 years) schools, student teachers, and university teachers. This paper focuses on their perceptions of the role of models in science teaching. The teachers' ideas are organized in three groups: the status and value of models; the influences that inform the translation of these general ideas into classroom practice; and how they respond to the outcomes of students' modelling activities. The teachers interviewed generally showed an awareness of the value of models in the learning of science but not of their value in learning about science. They were also uncertain of the relationship that could exist in the classroom between various types of models. Modelling, as an activity by students, whilst praised in theory, would not seem to be widely practised. Where practised, the outcomes are by no means always treated with that integrity that learning about science would call for.     

Roger Osborne (1940–1985), University of Waikato, New Zealand

This short paper outlines the emergence and achievements of the Science Education Research Unit at the University of Waikato over the period 1979–1985 under the leadership of the late Dr. Roger Osborne. Following his attendance at the ASERA meeting in Wagga Wagga in 1977, Roger Osborne rapidly built up a very productive team, which he led until his death in 1985. His legacy is tentatively evaluated. In conclusion, the cultural context in which this work took place is sketched.

Same school,separate worlds: A sociocultural study of identity,resistance, and negotiation in a rural,lower track science classroom

This ethnographic study examined how rural, lower track, underrepresented students made sense of their place in school and what role school science played in their cultural reproduction. The objectives of the study were to identify key components of science classroom discourse, analyze means of negotiating these components, and explicate participants' beliefs and roles in defining microcultural identities specific to rural, underrepresented school contexts. Eight students and their teacher participated in this study, which drew heavily upon teacher and student revoicing of common events. Results showed that the quality of science instruction was subverted through a process of negotiation between students and teachers in the context of low expectations and the school culture. Implications for research and practice are discussed. © 2001 John Wiley & Sons, Inc. J Res Sci Teach 38: 574–598, 2001