On-line consultation of definitions and examples: Implications for the design of interactive dictionaries

The paper discusses how dictionary consultation during text comprehension varies according to dictionary users' prior knowledge of a word and of the concept it represents. Four types of consultation are isolated: the construction, extension, confirmation, and recognition of word meaning. Two experiments (one using an interactive electronic dictionary and the second a pencil-and-paper task) show that people's use of definitions and examples varies with type of consultation. The findings suggest that dictionary entries giving definitions as the primary source of information are appropriate for construction, extension, and confirmation tasks but that examples should be the primary information for recognition tasks. The implications of the findings for the design of interactive dictionaries are discussed.     

Rereading sophistical arguments: A political intervention

This essay argues that Aristotle's categories of oratory are not as useful in judging the methods of Sophistical rhetoric as his presentation of time. The Sophistical argumentative method of making the weaker the stronger case is re-evaluated as a political practice. After showing this argument's relation to power and ideology, Aristotle's philosophy, which privileges a procedure of argument consistent with the politics of a polis-ideal rhetoric, is offered as reason for objecting to Sophistical rhetoric. The essay concludes that Sophistical rhetoric prefers the concept of possibility over Aristotelian actuality, and offers a need for an ideological space of radical, generative possibility in rhetorical theory.     

Generation Identity and the Reminiscence Bump: Memory for Public and Private Events

Participants ranging in age from 30 to 70 years free-recalled when they had learned public and private items of news. When responses were plotted in terms of age of participant at time of encoding, it was found that peak recall for public items of news was in the period when participants were aged 10 to 19 years whereas peak recall of private items of news occurred in the period when participants were aged 20 to 29 years. A second study confirmed this pattern of an early reminiscence bump for public news. It is proposed that these two components of the reminiscence bump reflect, respectively, a period of formation of generation identity in the second decade of life and a period of formation of intimate relationships in the third decade.     

Learning Styles,Gender and Age as Influential Issues amongst Students of Theology

In order to determine whether men and women's learning styles differ, two samples of students undertaking formal theological educational programmes completed a questionnaire focusing on contextualised examples of global and analytic learning styles. This was followed by selective interviews. Whilst no significant correlation was found between learning styles and gender, a significant correlation was unexpectedly found between learning styles and age.     

Validity of Adolescents' Report of Maternal Age

Examined the validity of adolescents' reports of their mother's age. Most research on the validity of self-report focuses on personal behaviors such as alcohol and substance use, or response bias due to social desirability. Few studies investigate the validity of adolescents reporting of nonsensitive information. Data from 80 mother–adolescent pairs were collected. The sample included 9th graders from four high school English classes, equal numbers of males and females, and 15% African Americans. The correlation between mothers' reports and youths' reports of mother's age was .99, and 95% of the youth were within a year of their mother's correct age. No race or gender differences were found. These results allow researchers to examine adolescent outcomes for youth born to teen mothers without the expense of also collecting data from their mothers. Results also suggest that adolescents' self-reports of other nonsensitive familial data may also be valid.     

PREFRONTAL BRAIN ASYMMETRY:

Abstract— Resting anterior brain electrical activity, self-report measures of Behavioral Approach and Inhibition System (BAS and BIS) strength, and general levels of positive and negative affect (PA and NA) were collected from 46 unselected undergraduates on two separate occasions. Electroencephalogram (EEG) measures of prefrontal asymmetry and the self-report measures showed excellent internal consistency reliability and adequate test-retest stability. Aggregate measures across the two assessments were computed for all indices. Subjects with greater relative left prefrontal activation reported higher levels of BAS strength, whereas those with greater relative right prefrontal activation reported higher levels of BIS strength. Prefrontal EEC asymmetry accounted for more than 25% of the variance in the self-report measure of relative BAS-BIS strength. Prefrontal EEG, however, was not significantly correlated with PA or NA, or the relative strength of PA versus NA Posterior asymmetry was unrelated to the self-report measures.     

If we compute faster, do we understand better?

Practitioners of cognitive science, “theoretical” neuroscience, and psychology have made less use of high-performance computing for testing theories than have those in many other areas of science. Why is this? In high-performance scientific computation, potentially billions of operations must lead to a trustable conclusion. Technical problems with the stability of algorithms aside, this requirement also places extremely rigorous constraints on the accuracy of the underlying theory. For example, electromagnetic interactions seem to hold accurately from atomic to galactic scales. Large-scale computations using elementary principles are possible and useful. Many have commented that the behavioral and neural sciences are largely pretheoretical. One consequence is that we cannot trust our few theories to scale well for a very good reason: They don’t. We have some quite good computational theories for single neurons and some large-scale aspects of behavior seem to be surprisingly lawful. However, we have little idea about how to go from the behavior of a single neuron to the behavior of the 10¹¹ neurons involved when the brain actually does something. Neural networks have offered one potential way to leap this enormous gap in scale, since many elementary units cooperate in a neural network computation. As currently formulated, however, neural networks seem to lack essential mechanisms that are required for flexible control of the computation, and they also neglect structure at intermediate scales of organization. We will present some speculations related to controllability and scaling in neural networks.     

II Sensory feedback influences on keytapping motor tasks

Subjects were trained to tap a key continuously at a specific rate, and with a specific amount of pressure (regularity task). Performance of this task was studied under conditions of: (a) decreased auditory feedback (masking noise through earphones), (b) decreased visual feedback (tapping hand screened from view), (c) vibration (vibrators applied to forearm in order to “mask” proprioceptive feedback), (d) digital block of tapping finger, and (e) combination of all four conditions. Significant changes in rate and intensity of tapping resulted under conditions of decreased auditory feedback, vibration, and the combined condition.

In the second part of the study, the effects of different delayed sensory events on keytapping were examined. The five conditions of delayed sensory feedback were: (a) delayed auditory feedback, (b) delayed visual feedback, (c) delayed tactile feedback, (d) the first three delayed sensory events presented simultaneously, and (e) condition (d) repeated with digital block of the tapping finger.

The conditions of delayed sensory feedback did not markedly alter performance of the regularity task. The same conditions of delayed sensory feedback did, however, produce highly significant changes in the performance of a more complex pattern task. All of these delay conditions produced parallel changes in the pattern task, namely increased intensity and decreased rate of tapping. The fact that the pattern task is more disturbed by delayed sensory feedback than the regularity task suggests that temporal complexity of the task is one determinant of the degree to which it will be disturbed by a delay in sensory feedback.     

On Being Holier-Than-Thou or Humbler-Than-Thee: A Social-Psychological Perspective on Religiousness and Humility

This research examined the association between religiousness and humility. Participants in Studies 1 and 2 completed measures of religiousness, socially desirable responding, and their own and other people's adherence to biblical commandments. Participants in Study 2 also rated how characteristic nonreligious positive and negative trait terms were of the self and others. Humility was operationalized as the magnitude of difference between individuals' evaluations of self and other. Overvaluing the self in relation to others or undervaluing others in relation to the self was considered evidence of less humility. Participants rated the self to be more adherent to biblical commandments than others (the holier-than-thou effect) and rated the self to be more positive and less negative than others (the self-other bias). In both studies, intrinsic religiousness was associated with an increase in the tendency to rate the self as more adherent to biblical commandments than others. Quest was associated with a slight decrease in the magnitude of the holier-than-thou effect. Religious motivations did not account for unique variation in the general self-other bias. Irrespective of motivations for being religious, however, highly religious people (i.e., upper thirds on general religiousness and religious fundamentalism) more so than less religious people (i.e., lower thirds on general religiousness and religious fundamentalism) rated the self to be better on nonreligious attributes than others.