Comparative analysis of delayed alternation learning in cats,mice, and guinea pigs

The performance of cats, guinea pigs, and mice in a delayed alternation paradigm was compared both during initial learning and following a 10-day retention interval. The testing situation (a modified T-maze), the length of the delay period (10 sec), and the amount of training per session and per week were kept identical for all three species. The results indicated that (1) animals of all three species acquired the task within similar time spans, (2) a considerable variance was apparent in the performance of individual animals independent of their species, and (3) guinea pigs, as a group, appeared to need a somewhat longer time to acquire delayed alternation than did mice and cats. Relearning of the task following the 10-day interval seemed to follow similar laws in all three species.     

An analysis of motivation strategies used within the small-group Accelerating Mathematics Performance through Practice Strategies (AMPPS-SG) program

More than half of students in the USA perform below a proficient level in math. Although evidence suggests that intervention in elementary school is critical to supporting struggling learners, and there are several research-supported instructional practices to support students with math difficulties, the existing research is limited with regard to the impact of motivational strategies designed to improve students’ math skills. This study examined the effectiveness of specific motivational strategies used in the small-group Accelerating Mathematics Performance through Practice Strategies (AMPPS-SG) intervention program. A multiple baseline design was used with three instructional groups of second grade students to compare the relative effectiveness of three different conditions on students’ math computation skills. Condition 1 included all of the AMPPS-SG instructional components. Condition 2 included all instructional procedures as well as goal-setting, performance feedback, and reinforcement for performance. Condition 3 included all components used in Condition 2, as well as a group-based reward contingency. Results showed that students’ performance during Condition 3 was significantly better than performance during Conditions 1 and 2.     

Frequency analyses of prephonological spellings as predictors of success in conventional spelling

The present study explored how children's prephonological writing foretells differential learning outcomes in primary school. The authors asked Portuguese-speaking preschool children in Brazil (mean age 4 year 3 months) to spell 12 words. Monte Carlo tests were used to identify the 31 children whose writing was not based on spellings or sounds of the target words. Two and a half years later, the children took a standardized spelling test. The more closely the digram (two-letter sequence) frequencies in the preschool task correlated with those in children's books, the better scores the children had in primary school, and the more preschoolers used letters from their own name, the lower their subsequent scores. Thus, preschoolers whose prephonological writing revealed attentiveness to the statistical properties of text subsequently performed better in conventional spelling. These analytic techniques may help in the early identification of children at risk for spelling difficulties.     

Mastery learning,rewriting assignments and student learning of criminal justice research methods

This research examines the application of mastery learning theory to the teaching of criminal justice research methods. Mastery learning has students learn each module before proceeding to the next one. Criminal justice research methods is amenable to mastery learning because the course content is cumulative; students need to know each step before proceeding to the next one. Mastery learning was implemented by having students rewrite exercises until they obtained perfect scores. It was tested in three classes taught by the same instructor. Student learning was measured by comparing the difference in scores on a pretest examination with scores on a post-test examination. The results indicated that the better students performed on the exercises, the more they improved on the final examination over the initial examination. The more students rewrote assignments, the better they performed on the assignments and subsequently, the more they improved on the final examination. Students who averaged between one and two rewrites maximized improvement on the examination. The results suggest that mastery learning theory is an effective method of teaching research methods. Although it is more time consuming than traditional methods, it is beneficial to students who are trying to learn difficult material for the first time.     

Citation Help in Databases: The More Things Change,the More They Stay the Same

In 2005, the authors reviewed citation help in databases and found an error rate of 4.4 errors per citation. This article describes a follow-up study that revealed a modest improvement in the error rate to 3.4 errors per citation, still unacceptably high. The most problematic area was retrieval statements. The authors conclude that librarians should include citation features in the evaluation of databases and should open a dialogue with vendors about the importance of providing accurate, reliable information about citations to students.     

Statistical Learning and Spelling: Older Prephonological Spellers Produce More Wordlike Spellings Than Younger Prephonological Spellers

The authors analyzed the spellings of 179 U.S. children (age = 3 years, 2 months–5 years, 6 months) who were prephonological spellers, in that they wrote using letters that did not reflect the phonemes in the target items. Supporting the idea that children use their statistical learning skills to learn about the outer form of writing before they begin to spell phonologically, older prephonological spellers showed more knowledge about English letter patterns than did younger prephonological spellers. The written productions of older prephonological spellers were rated by adults as more similar to English words than were the productions of younger prephonological spellers. The older children s spellings were also more wordlike on several objective measures, including length, variability of letters within words, and digram frequency.     

Making a Difference in the Lives of Youth: Mapping Success with the “Six Cs”

Many museums offer specialized programs for young people during out‐of‐school time, yet the consequences of such programs are not well documented. This article explores the potential utility of borrowing a conceptual framework from the youth development literature as a tool for assessment. The authors map findings from three studies of museum youth programs onto the youth development framework as an exercise in understanding the extent to which this model may be useful in developing museum youth programs. Results from this preliminary analysis demonstrate that the framework could serve as a viable tool for program design, and could offer a clear, grounded framework with common language for articulating program impacts often known intuitively and/or anecdotally but not formalized.