Subtypes of developmental dyslexia: The influence of definitional variables

The purpose of this study was to investigate the hypothesis that the manner in which a reading disability is defined will influence the conclusions that are made about the characteristics of the disability. To test this hypothesis, learning disabled and normally achieving children, aged 6 to 14, were administered tasks measuring grammatical, shortterm memory, phonological, reading, and visual-spatial skills. The poor readers were divided into groups of poor readers with

To promote,or not to promote fundamental British values? Teachers’ standards,diversity and teacher education

In this article we seek to problematize the presence of the requirement within the teachers’ standards (DfE, 2012), that they ‘should not undermine fundamental British values’ in the context of initial teacher education in England. The inclusion of this statement within the teachers’ code of conduct has made its way from the counter‐terrorism strategy, Prevent and raises questions about Britishness, values and the relationship between the state and the profession more generally. We argue that the inclusion of the phrase within a statutory document that regulates the profession is de facto a politicization of the profession by the state thereby instilling the expectation that teachers are state instruments of surveillance. The absence of any wider debate around the inclusion of the statement is also problematic as is the lack of training for pre‐service and inservice teachers since it means this concept of fundamental British values is unchallenged and its insidious racialising implications are unrecognised by most teachers.     

The relationship between intelligence and performance on the test of variables of attention (TOVA)

The present study explored the relationship between the intelligence of young adults and their performance on the Test of Variables of Attention (TOVA). The study also examined whether significant differences existed between adults with and without attention-deficit/ hyperactivity disorder (ADHD) on TOVA errors of omission, errors of commission, mean correct response time, and variability, as well as on performance on the freedom from distractibility (FD) factor on the Wechsler Adult Intelligence Scale-Revised (WAIS-R). Seventy-nine adults participated in the study, including 17 with ADHD and 62 college students without ADHD. Pearson product-moment correlations indicated that none of the correlations between Full Scale IQ (FSIQ) and TOVA variables were significant. Analysis of variance results revealed that adults with ADHD made more errors of omission on the TOVA than did controls. Between-group differences were not found on the remaining dependent variables.     

The relationship between attributes of a children's radio program and its appeal to listeners

An approach was developed to investigate the link between attributes of a children's radio program and children's judgments of appeal. Program tapes were divided into 28 segments and were rated for the presence of 30 attributes. Through multidimensional scaling analysis, attributes were organized into six clusters of Superattributes on the basis of their co-occurrence across the 28 segments. Superattributes were labeled and assigned scores that reflected the degree to which each was present in the 28 segments. A sample of 42 children 8–12 years old listened to the test tapes and provided a written judgment of their interest in the program at each segment. Results revealed that the Superattributes Instruction, Intro Talk, and Jokes were negatively associated with children's interest, while Popular Music was positively correlated with interest. In planning programs and understanding the effects of radio on children, designers and researchers should pay special attention to those formats in radio programming that are familiar to children, especially popular music and instructional material.     

Artificial intelligence in information retrieval systems

A survey is given of the potential role of artificial intelligence in retrieval systems. Papers by Bush and Turing are used to introduce early ideas in the two fields and definitions for artificial intelligence and information retrieval for the purposes of this paper are given. A simple model of an information retrieval system provides a framework for subsequent discussion of artificial intelligence concepts and their applicability in information retrieval. Concepts surveyed include pattern recognition, representation, problem solving and planning, heuristics, and learning. The paper concludes with an outline of areas for further research on artificial intelligence in information retrieval systems.     

Visualization and Representation of Physical Systems: Wavemaker as an Aid to Conceptualizing Wave Phenomena

An understanding of wave mechanics is essential to making the leap from classical to quantum systems. Wavemaker is a simulation environment developed to reveal graphically the behavior of periodic systems using a series of increasingly sophisticated visualization tools. Individual particles in a many-particle system can be instrumented for study of kinematic behavior. Parametric representations reveal time-independent behaviors. Problems dealing with propagation, reflection, and Fourier synthesis are easily studied. Use with students has revealed that many students have preconceptions about the behavior of waves and that use of this software is helpful in connecting real to simulated systems, separating holistic behaviors from those of individual elements, identifying critical parameters, and making connections between variables that are used to describe and measure periodic systems.     

The Importance of Self‐Regulation in Young Children With Down Syndrome

Adulthood brings with it responsibilities for making choices and decisions about one's own life. Individuals with Down syndrome, their parents and communities, have begun to expect that at least some of these responsibilities will be met by the person with Down syndrome. This will require a range of skills in managing one's own behaviour and these skills will need to be acquired in childhood. The Down Syndrome Research Program has begun a number of investigations into two important aspects of self‐regulation‐the capacity to delay gratification and mastery motivation. This paper describes the importance of these skills and habits of behaviour to those with Down syndrome and discusses the research to date.     

Range effects using instrumental choice procedures

Pigeons were trained to discriminate visual flicker-rate stimuli using two types of instrumental choice procedures. One experiment used a free-operant concurrent schedule with multiple schedule components. Two additional experiments used a two-alternative, discrete-trial procedure. In all experiments, the range of training stimuli was manipulated across conditions. Results from all three experiments showed typical range effects on discrimination performance. That is, performance declined with increases in the overall range of variation of training stimuli. These range effects occurred with either continuous response rate measures or discrete choice measures. Moreover, range effects appeared with relatively high or low levels of overall discrimination accuracy and with either symmetrical or asymmetrical extensions of stimulus range. The results of these experiments suggest that increasing stimulus range influences both perceptual sensitivity and bias to response alternatives.