The role of feedback from phonology to orthography in orthographic learning: an extension of item‐based accounts

Skilled readers were trained to recognise either the oral (n=44) or visual form (n=40) of a set of 32 novel words (oral and visual instantiation, respectively). Training involved learning the ‘meanings’ for the instantiated words and was followed by a visual lexical decision task in which the instantiated words were mixed with real English words and untrained pseudowords, and the instantiated words were to be considered as words. The phonology‐to‐orthography consistency (feedback consistency) of the instantiated words was manipulated to investigate the role of feedback from phonology in orthographic learning. Masked consonant and vowel‐preserving form primes were used in the lexical decision task as probes of orthographic learning. Feedback‐consistent instantiated words were recognised significantly faster in lexical decision than feedback‐inconsistent instantiated words, and facilitation was significantly greater from consonant‐preserving than vowel‐preserving primes for orally but not visually instantiated words. The results support the hypothesis that orthographic representations based on a consonant frame can be generated from the speech signal before encountering the printed forms, and that feedback from phonology is involved in the early stages of orthographic learning.     

Differential Ability Scales – Second Edition (neuro)psychological predictors of math performance for typical children and Children with Math Disabilities

Concerns about the ability‐achievement discrepancy method for specific learning disability (SLD) determination led to alternative research‐based methods, such as failure to respond to intervention. Neither of these regulatory methods address the statutory SLD definition, which explicitly includes a deficit in basic psychological processes. Examining neuropsychological processing differences among typical children and children with math SLD, commonality analyses revealed that Differential Ability Scales – Second Edition (DAS‐II) predictors accounted for more achievement variance in typical children (46% to 58%) than in children with math SLD (33% to 50%), with substantial loss of predictive validity when General Conceptual Ability was used instead of subcomponent scores. Results suggest that differences in typical predictor‐outcome relationships may provide a foundation for developing specific cognitive and academic interventions for children with math SLD. © 2008 Wiley Periodicals, Inc.     

Ethnic similarity and economic status of the potential helper as determinants of helping behavior

A field experiment was conducted in an attempt to study the effects of (a) the ethnic origin of the potential helper, (b) the ethnic origin of the recipient, and (c) the economic status of the potential helper, on the extent to which help would be offered. One hundred and twenty subjects participated in the experiment. The experimenter asked each of the subjects to contribute money for a needy family. The major finding was the significant interaction between the ethnic origin of the potential helper and the ethnic origin of the recipient. The frequency of European contributors was about equal for recipients from the two ethnic groups involved, whereas the frequency of Middle-Eastern contributors was higher when the needy family was of Middle-Eastern ethnic origin than when it was of European ethnic origin.     

Crowdsourcing civility: A natural experiment examining the effects of distributed moderation in online forums

Participation in discussions about the public interest can be enhanced by technology, but can also create an environment in which participants are overwhelmed by the quantity, quality, and diversity of information and arguments. Political participation is at a greater disadvantage than non-political activities in that participants from different parties already start out with established differences, which requires them to reach some form of common ground before progress can be made. Those seeking authentic deliberation are discouraged to participate when confronted with uncivil and inflammatory rhetoric. These issues are often exacerbated in online discussions, where lack of identity cues and low barriers to entry can lead to heightened incivility between participants, often labeled as “flaming” and “trolling”. This paper explores the extent to which moderator systems, tools online discussion forums use to manage contributions, can reduce information overload and encourage civil conversations in virtual discussion spaces. Using the popular website Slashdot as an example of sound moderation in a public discourse setting, we found that users move toward consensus about which and how comments deserve to be moderated. Using these findings, we explore how transferable these systems are for participation in public matters specifically to the unique attributes of political discussion. Slashdot's political forum provides a comparison group that allowed us to find quantitative and qualitative differences in political posting, comments, and moderation. Our results show that large scale, civil participation is possible with a distributed moderation system that enables regularly lively debates to be conducted positively because the system provides tools for people to enforce norms of civility.     

Effects of formative feedback on intrinsic motivation: Examining ethnic differences

In this study we investigate the influence of ethnic differences on student motivation when learning from formative feedback. Interpersonal teacher behavior and student motivational needs are used to explain the effects of assessment for learning on intrinsic motivation by comparing students from different ethnic backgrounds. The final study's sample consisted of 558 students from Dutch secondary vocational education. Multi-level structural equation modeling was used to test possible models. Our findings show that modes of feedback (monitoring, scaffolding) and teacher interpersonal behavior are strongly related to predictors of student motivation. In line with self-determination theory, our findings indicated that competence and relatedness mediate the effect of feedback (both monitoring and scaffolding) on motivation. Multi-group analyses showed only small differences for ethnicity, especially in relation to mode of feedback, which led us to conclude that, irrespective of the “Immigrant Paradox”, assessment for learning may facilitate feedback provision for both immigrant and native Dutch students indiscriminately, thereby enhancing motivation to learn. Implications of these findings for learning in classrooms are discussed.     

Towards a general modeling framework of resource competition in cognitive development

The current paper presents an integrated formal model of typical and atypical development based on the mechanisms of mutualism and resource competition. The mutualistic network model is extended with the dynamics of competition for limited resources, such as time and environmental factors. The proposed model generates patterns that resemble established phenomena in cognitive development: the positive manifold, developmental phases, developmental delays and lack of early indicators in atypical development, developmental regression, and “quasi-autism” caused by extreme environmental deprivation. The presented modeling framework fits a general movement towards formal theory construction in psychology. The model is easy to replicate and develop further, and we offer several avenues for future work.     

Park and Museum Interpretation: Helping Visitors Find Meaning

Interpretation is defined as an activity that “facilitates an intellectual and emotional connection between the interests of the visitor and the meanings of the resource.” The concept of helping visitors connect to meanings is a constant theme in the development of philosophies and practices in interpretation over the last century. Parks and museums have long shared in the effort to put this concept into practice. This article documents this history and the implications for contemporary interpretation.