Effects of electrocutaneous ready—signal variation on visual reaction time

Two ready-signal variables (direction of change in electrocutaneous stimulation and method of presentation: “trace” or “delayed”) were combined in a 2 by 2 by Ss design. Neither variable produced a significant main effect but yielded a highly significant interaction. Results were interpreted in terms of arousal. intersensory. and conditioning explanations of ready-signal effects.     

Intensional and extensional analogy items: Differences in performance as a function of academic major and sex

Is there a relationship between academic field and ability to use different types of semantic relation? Performance on two types of analogy item in the Graduate Record Examination (GRE) General Test was compared. Intensional relations are inherent in the meanings of the words and are based on shared or contrasting properties (e. g. farmer:person, breeze:gale, alive: dead, beggar: poor). Extensional relations reflect empirical relations between things in the world and are based on contiguity or causality (e. g.farmer:tractor, road:sidewalk, flu:headache). Performance on the two kinds of analogy items was compared for a single administration of the GRE for English and History majors (verbal group, n = 2238) and electrical engineering, computer science, and mathematics majors (practical group, n = 2143). The verbal group did better on intensional, and the practical group did better on extensional analogies. The difference was not explained by a correlated gender difference by which women did better on intensional and men did better on extensional items. Thus differences in the ability to use intensional and extensional relations was related to academic training, although the direction of this relationship was not established.     

In Defence of a Dogma: Davidson, Languages, and Conceptual Schemes

In this paper I draw on Davidson's work to generate counter examples to his claim that since there are no untranslatable languages there are also no alternative conceptual schemes. I argue that Davidson's argument to that effect is based upon an equivocation.     

Self-Efficacy and Burnout in Teaching: The Importance of Interpersonal-Relations Efficacy

This study investigated the association between perceived self-efficacy and burnout among teachers. Self-efficacy has been defined operationally based on a three-dimensional conceptualization: task, relations and organization. Efficacy variables were three classroom efficacy factors: instruction (task), discipline control (task), and consideration (relations), and two organizational efficacy factors: inclusion (task) and influence (relations). Burnout was measured as both a three-dimensional measure comprised of exhaustion, unaccomplishment and depersonalization, and as a single dimension (a composite score including all three dimensions). A sample of 322 Israeli teachers completed a self-report questionnaire. Multiple analysis of variance (MANOVA) and multiple regression analysis were used. It was found that perceived sense of self-efficacy was inversely correlated with perceived burnout: the lower the sense of self-efficacy, the higher the perceived burnout. The salience of organizational influence efficacy, and consideration efficacy (both are relations efficacies) were noted as important variables in predicting exhaustion, unaccomplishment and depersonalization. Task efficacies (e.g., instruction, discipline control, and inclusion) had no significant or meaningful weight in statistically predicting burnout beyond the relations efficacies. The importance of the organizational self-efficacy (teachers' beliefs in their ability to influence social and political forces within the organization, involvement in planning and executing important activities, as well as ability to draw upon the organization's resources to provide support and assistance) was discussed.     

Counterexamples to Recovery and the Filtering Condition

David Makinson has argued that the compelling character of counterexamples to the Recovery Condition on contraction is due to an appeal to justificational structure. In “naked theories” where such structure is ignored or is not present, Recovery does apply. This note attempts to show that Makinson is mistaken on both counts. Recovery fails when no appeal is made to justificational structure. This revised version was published online in August 2006 with corrections to the Cover Date.     

Burnout in School Principals: Role Related Antecedents

The school principal's professional world is characterized by overwhelming responsibilities, information perplexities, and emotional anxiety. The main purpose of this study was to map the common work-related stressors encountered by principals and to assess their relative weight in terms of predicting school principal burnout. A sample of 821 elementary and secondary, male and female school principals participated in the study. They completed a self-report questionnaire containing two scales: a burnout scale (measured as a three-dimensional concept consisting of exhaustion, depersonalization, and accomplishment), and a role-pressures scale. Multiple analysis of variance (MANOVA), multiple linear regression, and discriminant function analysis were used in data processing. Findings show that burnout was affected mostly by pressures stemming from teachers and parents, and to a lesser extent, from overload (qualitative and quantitative). Differences between elementary and secondary school principals were noted. The findings imply that principals who feel that their leadership is challenged or rejected feel strongly stressed and eventually burned-out.