Effects of toy guns and airplanes on children's antisocial free play behavior.

The effects of toy guns and toy airplanes on children's antisocial (aggression and rule-breaking) behavior was investigated in two settings (ten children in Study I and 13 in Study II) during 30-min free play sessions. Four-and 5-year-old children were observed during 15–16 free play sessions. During some sessions the children played either with (novel, aggressive) toy guns or with (novel, nonaggressive) toy airplanes in addition to their usual toys. In both studies, the toy guns treatment produced a reliably higher rate of antisocial behavior than the average of the toy airplaines and the usual toys. The novel-nonaggressive toy airplanes also increased the rate of antisocial behavior as compared to usual toys in Study II. The results were related primarily to Berkowitz's and Bandura's analyses of aggressive behavior, but they were related also to other theoretical models which predict stimulus control of behavior.     

Relative persistence of avoidance and positively reinforced behavior

In one experiment with rats, and a second with pigeons, subjects were trained on a schedule in which identical response dependencies applied to intermittent receipt of positive reinforcement (PR) for one group and avoidance (AV) of shock for a second group. After obtaining comparable stable training performance for groups PR and AV, persistence tests were conducted with a traditional extinction (EXT) procedure vs. response-independent (FREE) delivery of positive reinforcers or shocks. In both experiments, response elimination was rapid in EXT for groups PR and AV, and responding tended to be maintained in groups PR and AV in the FREE persistence test. These results contradict the widely held assumption that avoidance behavior is unusually resistant to extinction, and they call for a re-examination of elimination of avoidance responding.     

Factors affecting the acquisition and elimination of children's donating behavior

Thirty-five 6- to 10-year-old children with initial low rates of donating to help a peer either simply received a fine for each failure to donate (n = 7) or also were informed of the contingency between the fine and failure to donate (n = 28). Explanation of the contingency was necessary to increase children's donation rates. Donations continued at high rates during a gradual, unannounced removal of the fine contingency, but decreased when children were informed that fines were no longer in effect, particularly for children who had failed to donate at least once during training and had actually been fined. Overall, addition of a distraction or an inequity procedure did not reduce donating below rate reductions due to the announced extinction procedure alone.     

A CPI comparison of engineers and managers

Seventy-one male employees of three high-technology content product industries in northern Utah were divided into three contrast groups: engineers, engineering-trained managers, and non-engineering-trained managers. The California Psychological Inventory was administered and multivariate analysis of variance performed on seven preselected CPI scales. Results revealed that nonengineering managers scored significantly higher than engineers on scales Dominance, Capacity for Status, Social Presence, and approached significance on Sociability. Engineering-managers also scored significantly higher than engineers on Dominance, and significantly higher than other managers on Psychological Mindedness. A multivariate main-effect significant p < .001 to predict group membership was found. Engineering-managers share with other managers a confident, persuasive, and aggressive self-presentation combined with a preference for leadership roles. Their elevation on Psychological Mindedness, however, suggests a more pragmatic analytical and less intuitive approach to management situations.     

Memory and personality: An information processing approach

A consensual model of memory, based on information processing theory is presented. The experimental literature on the interaction between memory and personality is reviewed in terms of this model. It is suggested that past study in this area has failed to utilize the knowledge and techniques of information processing theory, and as a result, has confounded experimental variables. Suggestions for more appropriate research are presented.     

The effectiveness of visual and gustatory conditioned stimuli in human classical aversive conditioning with electric shock

Thirty-six undergraduate volunteers, divided into three equal groups, were given electric shock while sipping a colored, unflavored solution (Group I): a flavored, colorless solution (Group 2); or a colored, flavored solution (Group 3), in order to determine whether human Ss respond differentially to visual and gustatory cues when the UCS is aversive electric shock. Using a standard classical discrimination procedure, the CS + was blue water for Group 1, citric acid solution for Group 2, and blue citric acid solution for Group 3. For all groups the CS- was plain water, which was never paired with electric shock. The dependent variables were derived from Staats' A-R-D theory: attitudinal change (A) and a performance measure of sip-size taken during conditioning trials (D) both confirmed the hypothesis that taste can be an effective CS when the UCS is shock, in contrast to results typically obtained with rats where visual but not taste cues are effective with a shock UCS.     

The CS-US interval function in rabbit nictitating membrane response conditioning: Single vs multiple trials per conditioning session

The effect of varying trials per day conditions on the CS-US interval or interstimulus interval (ISI) function in rabbit nictitating membrane response conditioning was studied in two experiments. Experiment 1 showed that a 1250-msec ISI was more effective than a 250-msec ISI when there was 1 trial/day. Experiment 2 showed that as the number of trials per day decreased from 20 to 1, the superiority of the 250-msec ISI group over the 1250-msec ISI group declined, with a reversal at 1 trial/day. Results are interpreted in terms of the role of a hypothesized CS-elicited short-duration orienting response in CR performance.     

Effect of preacquisition UCS exposure on classical conditioning of the rabbit's nictitating membrane response

Conditioning of the rabbit nictitating membrane response was found to be inversely related to the number (0, 50, 200, 350) and intensity, (0, 1, 3, 5 mA) of preacquisition UCS exposures and directly related to the interval between preexposure and acquisition (0 or 24 hr). The results were discussed in terms of sensory adaptation, habituation, blocking, and emotional reactivity.     

Effects of socialization on the physiological detection of deception

Effects of socialization on the physiological detection of deception using the control question test (CQT) were explored in three mock crime experiments. Subjects were 168 volunteers from criminal, community, and college student populations. Socialization was measured by the Socialization (So) scale of the California Psychological Inventory. All subjects were given a CQT using standard field techniques. The physiological data were blindly evaluated by a semiobjective field scoring technique and previously developed discriminant function. There were no effects of socialization on the accuracy of classification by the semiobjective field scoring or the discriminant function. A modest negative relationship was found between socialization scores and differential reactivity in the CQT as indicated by correlations with the semiobjective (r = −.22) and discriminant scores (r = −.17). It was concluded that socialization is not an important variable for field applications of the CQT.     

On the relationship of hardiness to the Type A behavior pattern: Perception of life events versus coping with life events

A correlational study examined the relationship between perceptions of life events and psychological distress with regard to the moderating effects of personality. Subjects assessed for both hardiness (S. C. Kobasa, 1979, Journal of Personality and Social Psychology, 37, 1–11) and Type A behavior (M. Friedman & R. Rosenman, 1974, Type A Behavior and Your Heart, New York: Knopf) completed the Langner psychiatric symptom inventory, reported life events for the previous year, and rated each event for its desirability, controllability, and foreseeability. Results indicated that an accumulation of events perceived as undesirable was associated with distress for subjects low in hardiness. In contrast, events perceived as moderately controllable or uncontrollable, regardless of their desirability, were associated with increased distress for Type A's. The likelihood of experiencing any given event was not related to any personality type. However, hardy individuals differed from their low hardy counterparts in that, on average, they were more likely to perceive an event as desirable and controllable. No such perceptual biases were observed between Type A and B subjects. The discussion focuses on the combination of personality variables and the moderating effects of perceiving events versus coping with events in the stress-health relationship.     

Effects of perceived similarity on vicarious emotional conditioning

The present experiment tested the hypothesis that perceived similarity between observers and models enhances vicarious emotional conditioning. Subjects were led to believe that they were either similar to the model in beliefs and attitudes, different from him or were given no information about him. They then underwent a vicarious classical conditioning procedure by witnessing the model express pain reactions in conjunction with a neutral stimulus. Observers developed emotional reactions to the neutral stimulus alone after seeing it paired with modeled pain expressions. Preceived similarity, however, had no significant effect on either the level of vicarious conditioning or the rate of extinction. Subjects who had no information concerning the model displayed stronger autonomic responses to the model's pain expressions, and more frequent and intense autonomic responses to the conditioned stimulus during tests for acquisition and extinction. In correlational analyses, subjects in the latter condition also yielded a significant positive relationship between self-reported arousal and vicarious emotional conditioning. The obtained findings were interpreted in terms of the emotion arousing properties of unfamiliarity.     

On the directionality of key pecking during signals for appetitive and aversive events

Pigeons were exposed to a signal paired with either blackout or blackout plus shock and to another signal paired with food superimposed on a baseline of concurrent variable-interval reinforcement of pecks on two keys. The signals were changes of color of one of the two keys. The rate of pecking both keys during the signal paired with blackout or blackout plus shock was lower than the baseline rate of pecking (a conditioned emotional response), but the decrease in pecking was greater on the signal key. When the intensity of shock was increased, the rate of pecking did not decrease further on the signal key but did decrease on the other key. Rate of pecking during the signal paired with food increased sharply on the signal key (an autoshaping effect) and decreased sharply on the other key. These results support a view that there are two effects of the interaction between classical and instrumental conditioning, a stimulus-directed effect and a generalemotional effect.