DEVELOPMENT OF MULTIPLE JOB PERFORMANCE MEASURES IN A REPRESENTATIVE SAMPLE OF JOBS

The goal of criterion development in Project A was to construct multiple measures of the major components of job performance such that the total performance domain for a representative sample of the population of entry-level enlisted positions in the U.S. Army was covered. These measures were to be used as criteria against which to validate both experimental and existing predictors of job performance. The initial model specified that performance is multidimensional within two major categories of dimensions designated as organization-wide and job specific. The development strategy involved describing the total domain of job content via extensive task analyses and critical incident analyses, generating the critical performance dimensions that constitute it, constructing measures for each dimension, and evaluating each measure using expert judgment and field test data. The specific measures developed consisted of rating scales, tests of job knowledge, hands-on job samples, and archival records. The major steps in the job analyses, content sampling, instrument construction, and instrument evaluation are described, and the final array of criterion measures is presented.     

Characteristics of on Organizational Environment which Stimulate and Inhibit Creativity*

The study investigated the characteristics of Brazilian organizations which affect creativity. A sample of 25 workers were interviewed. The respondents answered several questions about the characteristics of a work environment which promote and inhibit creativity, and about factors in their own work environment that contribute to the promotion or inhibition of creativity. Content analysis of the transcribed interviews indicated 10 categories of stimulants and 11 categories of obstacles to creativity. Among the most mentioned stimulant factors to creativity were organization support, organization structure, support from the boss, and colleagues' support. On the other hand, some of the most prevalent obstacles to creativity were organization structure, boss characteristics, personal relationships, and organization culture. Results are discussed in terms of the similarity with data obtained in other contexts.     

The Effect of Selective Serotonin Releasing Agents in the Chronic Mild Stress Model of Depression in Rats

Chronic exposure to mild unpredictable stress has been found to depress the consumption of, and preference for, highly palatable sucrose solution in rats. Stress-induced behavioral deficits may be maintained for a long time, however chronic administration of clinically effective antidepressants can restore normal behavior. This is the first report showing that Sprague-Dawley rats can be used in this model. A preference deficit in this strain of rats took at least 7 weeks to develop; about twice the time required when hooded Lister or Wistar rats are used in this model. Water consumption was not effected by chronic exposure to the mild stress regime and/or by chronic administration of the selective serotonin (5-HT) releasing agent MMAI (5-methoxy-6-methyl-2-aminoindan). The stress-induced deficit in sucrose intake was completely reversed by chronic treatment with MMAI (5 mg/kg, 2 x day) over 3 weeks in the two-bottle tests. In single-bottle tests, chronic treatment with the selective 5-HT releasers, MMAI (5 mg/kg, 2 x day) or MTA (p-methylthioamphetamine; 5 mg/kg, 2 x day), reversed the deficit in rewarded behavior (anhedonia) measured as a decrease in the consumption of 1% sucrose solution in the chronic mild stress model of depression in rats. With the experimental procedure employed, and at a dose of 10 mg/kg/day of 5-HT releasers, the magnitude and onset of this effect were greater than observed following similar administration of the selective 5-HT reuptake inhibitor (SSRI) sertraline (10 mg/kg/day), used as a standard anti-depressant drug.     

LANGUAGE ATTITUDES OF ITALO-AUSTRALIAN AND GREEK-AUSTRALIAN BILINGUALS*

The purpose of this research was to investigate differences in the perception of speakers as a function of their language and sex. Forty-two Italo-Australian and 56 Greek-Australian young people listened to male and female speakers in each of their two languages, using Lambert et al's. (1960) guise method. Results indicated few differences in Italo-Australian subjects' ratings of speakers as a function of language, while Greek-Australian subjects, in general, rated Greek guises more positively than English guises. In addition, Italo-Australian subjects rated female subjects more positively than male speakers irrespective of language, but Greek-Australian subjects reversed this pattern.     

Modulation of the rod and frame effect: Retinal angle vs apparent size

Summary Two rod and frame displays, constructed in a 3:1 linear ratio, were used to assess the apparent vertical. When viewed at the common distance of 1.5 m, the larger-appearing frame also produced the greater retinal angle. With the small frame at .5 m and the large one at 4.5 m, the smaller-appearing frame produced the greater retinal angle. In both cases the rod and frame effect increased with increasing retinal size, rather than with the apparent size of the frame.This research was supported by NIH Grant EY 02264 from the National Eye Institute to the first author.