A comparison of freshmen and seniors on general and specific essay tests of critical thinking

There is much interest in the impact of college on critical thinking ability. Freshmen and seniors at a mideastern university were given either a general instruction or multiple specific instructions for critically evaluating one of two articles. All critiques were in essay form. Seniors provided more appropriate criticisms to both kinds of instructions for both articles. However, the absolute level of performance of seniors reflected major deficiencies in applying critical evaluation skills. It was concluded that while college seems to be having an impact, greater emphasis is needed on more directly teaching critical thinking skills in the classroom.     

Discrimination reversal learning in newts

The results of field research suggest that, contrary to being behaviorally inflexible, some amphibians may have the ability to respond effectively to changing environments. The performance of seven newts (Triturus viridescens) was studied across 20 successive reversals of a spatial discrimination problem in a dry T-maze. Submersion in shaded water served as reinforcement for correct responses. The subjects showed a decrease in mean errors across reversals and across ordinal trials within sessions. These results are discussed in terms of the importance of using biologically relevant methodologies in the study of comparative animal learning.     

MicroObservatory Net: A Network of Automated Remote Telescopes Dedicated to Educational Use

Many students have a deep interest in astronomy, but a limited opportunity to use telescopes to explore the heavens. The MicroObservatory Network of automated telescopes is designed to provide access to classroom teachers who wish their students to conduct projects over the World Wide Web. The intuitive interface makes it easy for even 10-year-olds to take pictures. Telescopes can be remotely pointed and focused: filters, field of view, and exposure times can be changed easily. Images are archived at the website, along with sample challenges and a user bulletin board, all of which encourage collaboration among schools. Wide geographic separation of instruments provides access to distant night skies during local daytime. Since first light in 1995, we have learned much about remote troubleshooting, designing for unattended use, and for acquiring the kinds of images that students desire. This network can be scaled up from its present capability of 240,000 images each year to provide telescope access for all US students with an interest in astronomy. Our WWW address is http://mo-www.harvard.edu/MicroObservatory/     

Conditioned flavor preferences as a function of deprivation level: Preferences or aversions?

Rats tend to prefer flavors previously consumed under low deprivation to flavors previously consumed under high deprivation (Capaldi & Myers, 1982). We attempted to distinguish among possible associative explanations by determining whether this conditioning phenomenon was based upon conditioned preferences, conditioned aversions, or both. We compared preference for flavors presented exclusively under either high or low deprivation with preference for a neutral flavor. In Experiments 1A and 1B the neutral flavor was one that had been randomly paired with both high and low deprivation, whereas in Experiments 2 and 3 the neutral flavors had not been associated with either high or low deprivation. Our results strongly suggest that this conditioning phenomenon is based upon an actual increase in preference for the flavor consumed under low deprivation rather than on any form of aversion conditioning.     

IMPLEMENTATION AND EVALUATION OF PEER MARKING IN HIGHER EDUCATION

The implementation of peer marking within an existing tutorial system is examined. Peer marks were found to be in close agreement with the tutor's, lending credibility to the approach. The benefits of peer marking were discussed with the students, including their possible improvement in examination technique. This teaching approach has the added advantage in that the tutor can more easily act as a facilitator (rather than as an assessor) in the tutorial sessions. At the end of the year an evaluation of peer marking was carried out

Results from a questionnaire showed that five relative advantages of peer marking had been achieved. Further, the students believed that their work had been marked fairly, and that peer marks should count towards their end‐of‐year marks. Peer marking was found tobe most successful, fully complementing a tutorial system of teaching.     

“Acting White”: How the Past Implementation of School Desegregation Helped Create Today’s Attainment and Achievement Gaps

ABSTRACT

Summarizing my prior work, the only book length treatment of the “acting White” phenomenon (Buck, 2010), I argue that while desegregation was both a moral necessity and a social good, the manner in which desegregation was implemented by White authorities led indirectly to today’s achievement gaps. In the course of desegregation previously all-African-American schools were closed, with their faculty and administrators typically demoted or terminated, and their students sent to previously all-White schools, where they were not always welcomed. This massive social change established scholarly achievement as part of a White identity, not a Black identity. Unfortunately, this diagnoses may not lend itself to easy solutions.     

Urban inequality,social exclusion and schooling in Dhaka,Bangladesh

This paper asks whether education is a viable route to better livelihoods and social inclusion for children living in poor urban areas in Dhaka, Bangladesh. It uses qualitative interviews with 36 students aged 11–16, living in slum and middle-class areas, and also draws on data from a larger, mixed-methods study to provide context. Many children from slums are excluded altogether from education, while others are incorporated into the system but on unfavourable terms. The paper identifies three principal ways in which this adverse incorporation can happen: through differential access to different types and quality of school; through obstacles that prevent children from poorer households from progressing through the system and reaching higher levels; and through subordinate power relations in the school, embodied in systems of assessment, labelling of students and discipline. These are likely to limit the potential for education to be a socially transformative institution.