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531.
This paper reports the results of an exploratory study comparing the responsiveness of male versus female salespersons to differing leadership styles of female sales managers. Responding triads, made up of one female sales manager and two subordinate salespersons (one male and one female), completed questionnaires assessing the managers' leadership style, the salespersons' satisfaction with supervision, and the salespersons' selling performance. Partial correlational analysis revealed gender differences in the way satisfaction with supervision and performance effectiveness related to the female managers' leadership styles. Male sales force members were most responsive to leaders who displayed individualized consideration and used a transactional style (contingent rewards or management by exception). Saleswomen preferred charismatic leaders and those who were capable of intellectually stimulating methods. The results are discussed and recommendations made for future research.  相似文献   
532.
I appear to be one of the few persons who attended both the colloquium at Princeton titled Construct Validity in Psychological Measurement held in 1979 and the conference at Newport Beach titled Construct Validity: Issues and Opportunities held in 1990. As a discussant for both meetings, I have compared construct validity as seen by participants at the 1979 meetings with construct validity as seen by participants at the 1990 meeting. Comparisons are drawn according to conceptualizations of construct validity, construct va- lidity as scientific inquiry, and construct validity in assessment technology. A most noteworthy conclusion is that these three aspects no longer apply very well to the articles herein that were originally delivered at the 1990 meeting. Instead these articles show strongly that classification according to scientific inquiry versus applications is not possible. Such a conceptual gap no longer seems to exist for construct validity. Instead, these articles as well as the one by Hogan (1991) all emphasize large scale programmatic efforts characterized by approaches driven primarily by conceptualizations derived from construct validity. A secondary theme in these articles emphasizes analysis according to taxonomies at both the predictor and criterion levels. A primary conclusion from reviewing these articles is that construct validity no longer revolves around issues, but it clearly does connote opportunities for future research and applications.  相似文献   
533.
I started my career as a clinical psychologist with an interest in personality assessment. But a loss of faith in psychoanalytic theory, projective tests, and clinical case studies in general led to a shift in my interests to personality research. Subsequent jobs at research institutes and universities allowed me to indulge in science. I developed the trait-state concept and its application in tests for affect measurement. For 10 years I did experimental research in the field of sensory deprivation. The sensation seeking idea and tests evolved from this work but soon expanded to many other areas. Research in the biological basis of sensation seeking started with genetic and psychophysiological research, but research conducted in other laboratories also pointed to a psychopharmacological basis for the trait. Over the last several decades, I have formulated a psychobiological model for personality. I have used factor analysis and the biosocial model to develop an "alternative-five" factorial trait structure for personality.  相似文献   
534.
In the peak procedure, starts and stops in responding bracket the target time at which food is expected. The variability in start and stop times is proportional to the target time (scalar variability), as is the systematic error in the mean center (scalar error). The authors investigated the source of the error and the variability, using head poking in the mouse, with target intervals of 5 s, 15 s, and 45 s, in the standard procedure, and in a variant with 3 different target intervals at 3 different locations in a single trial. The authors conclude that the systematic error is due to the asymmetric location of start and stop decision criteria, and the scalar variability derives primarily from sources other than memory.  相似文献   
535.
536.
The reported research was designed to compare adjudicated male juvenile sexual offenders and youth with conduct disorders on five aspects of family secrecy and deception. Twenty-nine male juvenile sex offenders and 32 comparison youth from three child welfare agencies in New York State participated in the study. Research assistants, blind to the hypotheses of the study and status of the youth, coded agency records for five variables identified a priori as a basis of comparison. Analyses revealed that the two groups were different on three of the five and on the total number of items scored. Families of juvenile sex offenders told more lies, had more family myths, and were more likely to be involved in taboo behavior. Logistic regression revealed that this factor of family deception significantly increased the odds of sexual offending over and above other measures of family pathology. These data support the hypotheses of the study and have implications for both clinical practice and future research in this area.  相似文献   
537.
The authors compared a feedback workshop with both a no-feedback control group and a comparison group of managers who received a feedback report but no feedback workshop. The multisource feedback was based on ratings of a manager's influence behavior by subordinates, peers, and bosses. Managers in the feedback workshop increased their use of some core influence tactics with subordinates, whereas there was no change in behavior for the control group or for the comparison group. The feedback was perceived to be more useful by managers who received it in a workshop with a facilitator than by managers who received only a printed feedback report.  相似文献   
538.
Recent evidence suggests that involuntary outpatient commitment (OPC), when appropriately applied, can improve adherence with psychiatric treatment, decrease hospital recidivism and arrests, and lower the risk of violent behavior in persons with severe mental illness. Presumably these are benefits that improve quality of life (QOL); however, insofar as OPC involves legal coercion, the undesirable aspects of OPC could also exert a negative effect on quality of life, thus offsetting clinical benefits. Involuntarily hospitalized subjects, awaiting discharge under outpatient commitment, were randomly assigned to be released or continue under outpatient commitment in the community after hospital discharge, and were followed for one year. Quality of life was measured at baseline and 12 months follow-up. Treatment characteristics and clinical outcomes were also measured.Subjects who underwent longer periods of outpatient commitment had significantly greater quality of life as measured at the end of the 1 year study. Multivariable analysis showed that the effect of OPC on QOL was mediated by greater treatment adherence and lower symptom scores. However, perceived coercion moderated the effect of OPC on QOL. Involuntary outpatient commitment, when sustained over time, indirectly exerts a positive effect on subjective quality of life for persons with SMI, at least in part by improving treatment adherence and lowering symptomatology.  相似文献   
539.
The Barnes maze is a spatial memory task that requires subjects to learn the position of a hole that can be used to escape the brightly lit, open surface of the maze. Two experiments assessed the relative importance of spatial (extra-maze) versus proximal visible cues in solving the maze. In Experiment 1, four groups of mice were trained either with or without a discrete visible cue marking the location of the escape hole, which was either in a fixed or variable location across trials. In Experiment 2, all mice were trained with the discrete visible cue marking the target hole location. Two groups were identical to the cued-target groups from Experiment 1, with either fixed or variable escape locations. For these mice, the discrete cue either was the sole predictor of the target location or was perfectly confounded with the spatial extra-maze cues. The third group also used a cued variable target, but a curtain was drawn around the maze to prevent the use of spatial cues to guide navigation. Probe trials with all escape holes blocked were conducted to dissociate the use of spatial and discrete proximal cues. We conclude that the Barnes maze can be solved efficiently using spatial, visual cue, or serial-search strategies. However, mice showed a strong preference for using the distal room cues, even when a discrete visible cue clearly marked the escape location. Importantly, these data show that the cued-target control version of the Barnes maze as typically conducted does not dissociate spatial from nonspatial abilities.  相似文献   
540.
Previous evidence has suggested a specific role for the dorsal striatum, especially the dorsolateral region of the dorsal striatum, in stimulus-response learning. In a previous study, we found an impairment in animals with dorsolateral striatal lesions on a simple discrimination task (CS+/CS-), thought to require the involvement of both stimulus-reward and stimulus-response learning. It is possible that the generally poor performance of dorsolateral lesioned animals on this experiment precluded adequate exposure to stimulus-reward pairings necessary for solving this task, and, thus, had little to do with stimulus-response learning. To test this hypothesis, the performance of animals with dorsolateral and dorsomedial striatal lesions was assessed on a previously acquired simple discrimination task. To independently assess the effects of each lesion on the performance of stimulus-reward learning, dorsolateral and dorsomedial lesioned animals were assessed on a previously acquired conditioned place preference task (CPP). In agreement with our earlier experiment, and the stimulus-response interpretation of dorsolateral striatal function, animals with dorsolateral striatal lesions were found to be impaired during post-lesion performance of the simple discrimination task, but not CPP learning. Additionally, dorsomedial lesioned animals were found to be impaired in performance of the simple discrimination task, but not on the CPP task. Possible explanations for the differences between the role of the dorsomedial striatum in acquisition and expression of the simple discrimination task are proposed.  相似文献   
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