Exploring the Individual's Perception of Sources and Credibility of Feedback in the Work Environment

This study reports on the construction of an instrument to assess individuals' perceptions of feedback from various sources in a work environment, and to investigate the effects of the sources' credibility on those perceptions. Six dimensions were found to reflect the sources of feedback and the type of information they convey, and 10 dimensions were found to represent the degree of credibility the individual attributes to the sources of feedback. Data collected from a heterogeneous sample of 706 employees in the UK and Brazil were analysed to establish the reliability and construct validity of the questionnaire.     

Illegitimacy, child abuse and neglect, and cognitive development

This study explored the relationship between illegitimate birth and cognitive development among 513 boys on probation. Prior research has shown that being part of a single-parent household leads to diminished verbal capacities and often puts a child in greater danger of abuse and neglect. Frequent abuse is thought to lead to the enhancement of visual and spatial skills relative to verbal skills through a process of "frozen watchfulness". I hypothesized that illegitimate boys from one-parent homes would have greater verbal-performance discrepancy scores than would boys from other combinations of birth status and family structure. These boys had the lowest verbal IQ and highest performance IQ scores and, hence, the largest discrepancy. These boys also suffered the highest degree of abuse and neglect of all four birth status/family structure combinations studied.     

Multivariate analysis of the interaction of person,situation and response variables in situation-specific interpersonal behavior

This study attempted to use multivariate statistical methodology to empirically derive and define person, situation and response variables which interact in determining situation-specific behavior of college students, and to clarify the nature of the interaction of those variables. A variant of principal components analysis was used to derive reliable dimensions of persons and situations underlying situation-specific self-reported response. These dimensions appeared to correspond to clusters of grossly similar situations. An attempt to define the derived dimensions using measures based on Murray needs did not provide clear-cut, quantitative definitions. The solution derived using the principal components procedure was found to have validity in terms of predicting overt behavior in a contrived situation. Results were interpreted as being supportive of the principal components technique as a method for deriving determinants of situation-specific behavior, but the need for new technology for defining those dimensions was commented upon.     

VISUO-PERCEPTIVE AND VISUO-MOTOR PERFORMANCE OF CHILDREN WITH READING DISABILITIES

N ielsen , H. H. & R inge , K. Visuo-perceptive and visuo-motor performance of children with reading disabilities. Scand. J. Psychol ., 1969, 10 , 225–231.—Twenty 9–10-year-old children with reading disability were compared with twenty normal readers on Frostig Test of Visual Perception, Bender Visual Motor Gestalt Test and Goodenough Draw-a-Person Test. Contrary to prediction, the results showed more similarity than difference in performance level between the two groups, only the Bender Test discriminating significantly ( p<0.05 ). It was concluded that impaired visual perception and visuo-motor dysfunction did not seem important correlates of reading disability.     

The rorschach assessment of borderline defenses: a concurrent validity study

This study assesses the concurrent validity of two Rorschach defense scales designed to identify borderline defensive structure. A Rorschach scale designed by Cooper and his colleagues was systematically compared to a defense scale constructed by Lerner and Lerner. Despite considerable overlap on a conceptual and operational level, the scales are based on divergent theoretical models (developmental arrest and fixation) and Rorschach units of analysis (all responses and human responses). Our results are based on the capacity of each scale to discriminate between independently diagnosed samples (neurotic, outpatient borderline, inpatient borderline, schizophrenic) and the relative discriminatory power of particular defenses within each scale to differentiate between groups.     

Depletion of brain norepinephrine with DSP-4 does not alter acquisition or performance of a radial-arm maze task

The acquisition of a radial-arm-maze task was unimpaired following administration of DSP-4, a selective noradrenergic neurotoxin. Maze performance remained unaffected when 5- or 30-min delays were imposed between the fourth and the fifth arm selection. Neurochemical analysis performed 90 days after injection revealed that DSP-4 significantly decreased concentrations of norepinephrine in the hippocampus, cortex, and cerebellum. The regional concentrations of dopamine and serotonin were not affected. These data are consistent with previous reports demonstrating that depletion of brain norepinephrine does not impair spatial learning and memory.