The relative efficacy of simulation experiments

A complex in-basket simulation and a paper-and-pencil scenario experiment were used to study relationships between organizational leadership and gender. Separate samples completed identical attitude instruments in the independent studies. Analysis revealed that substantially more of the total variance was accounted for in the simulation study than in the scenario investigation. Also, more overt, gender-based responses were observed in the scenario study. It was concluded that social simulation may tap a deeper level of psychological process and may elicit more subject involvement than typical experimental methods. Thus, the more complex procedures of the simulation, as compared to those of a typical method such as a scenario study, are justified in the study of organizational behavior.     

The effect of sound on visual apparent movement

Twelve subjects found the longest possible interstimulus interval (ISI) at which they perceived continuous apparent motion of one light instead of partial motion or succession between two lights. In the visual condition, two lights only were presented. In the bimodal conditions, binaurally presented tones were presented synchronously with the lights, and the lights and tones were either spatially congruent (in phase) or incongruent (180 degrees out of phase). Bimodal presentations lowered the upper ISI threshold for the perception of visual apparent motion, and the reduction was greater when the tones and lights were spatially congruent. The threshold reduction may be caused by a perceptual inference about localization of the lights in space or by a change in visual persistence.     

Reliability and validity of the revised fear survey schedule for children (FSSC-R)

In this study, the validation of a Revised Fear Survey Schedule for Children (FSSC-R) is detailed. Psychometric properties of the scale are reported for two normal samples and one clinical sample of school-phobic children. Initial analyses indicate that the FSSC-R possesses high internal consistency, high test-retest reliability and acceptable stability over time. Further, it adequately discriminates between normal and clinical samples, has acceptable convergent and discriminant validity and possesses a meaningful factor structure. The potential clinical utility of the scale is discussed, and important social and developmental issues affecting the development and expression of fear in children are addressed.     

Inhibitory avoidance deficit following short-term adrenalectomy in the rat: the role of adrenal catecholamines

Impaired retention of an inhibitory avoidance response was observed in rats subjected to adrenalectomy (ADX) up to 120 hr before the single learning trial. Corticosterone substitution failed to normalize this behavioral deficit. Rats ADX 240 hr prior to the learning trial showed a normalized behavior. Adrenomedullectomy (ADXM) 48 or 240 hr before learning caused a similar impairment as in short-term ADX rats. The 240-hr ADX rats subjected to corticosterone substitution showed the same behavioral deficit as short-term ADX rats or ADXM ones. Immediate postlearning subcutaneous injection of adrenaline in a dose range of 0.005-5.0 micrograms/kg or of noradrenaline (0.005-0.5 microgram/kg) to 48-hr ADX rats resulted in a dose-related improvement of later retention behavior. Higher doses of catecholamines were less or ineffective. Postlearning treatment of 48-hr ADXM rats with adrenaline (0.5-500 micrograms/kg) caused a similar pattern of behavioral changes. It is concluded that adrenal catecholamines play an important role in the modulation of consolidation of memory. In addition, the high circulating ACTH levels that follow long-term ADX may correct for the behaviorial deficit induced by the absence of adrenomedullary catecholamines.     

Overt and covert parental conflict and adolescent problems: observed marital interaction in clinic and nonclinic families.

When adolescents behave in socially unacceptable ways, overt interparental conflict is widely held to be the cause. Empirical studies, however, have been inconsistent in supporting this assumption. Some researchers therefore have speculated that covert conflict also plays a role. In the current observational study, evidence was found that both overt parental conflict and some forms of covert conflict play roles. During problem-solving family discussions, parents of adolescents whom they had brought into an outpatient clinic for treatment overtly disagreed with each other significantly more often than did parents with adolescents who did not require treatment. Families of clinic adolescents also exhibited significantly more silence during their discussions, and mothers spent significantly less time talking than did their nonclinic counterparts. The implications that both the overt and covert conflict may have for adolescent behavior are discussed.     

Prospective study of postpartum depression: 4 1/2-year follow-up of women and children

The consequences of maternal postpartum depression for mothers and children were investigated in a 4 1/2-year follow-up study, which included 70 of 99 women who had participated in an earlier study of postpartum depression. Information about maternal adjustment and depression during the follow-up period and child adjustment at age 4 1/2 years was obtained. Women who had experienced a postpartum depression were predicted to be at increased risk for subsequent depression and poor adjustment of their child. Postpartum depression was directly related to subsequent depression but not child problems. Later depression was related to child problems at 4 1/2 years. We concluded that postpartum depression may increase risk for later maternal depression and in turn increases risk for child behavior problems. Intervening with women who have experienced a postpartum depression may reduce likelihood of future depressions and child behavior problems.     

Group treatment of the hyperventilation syndrome

Hyperventilation (hv) is increasingly recognized as being significant in a number of psychological and medical conditions. The core of treatment for hv is breathing retraining, usually on an individual basis. This article describes a group therapy for breathing retraining for patients with hv-induced panic reactions. An analysis of group process suggests that such treatment is helpful in ways impossible for individual retraining and that further exploration of this modality is warranted.