Young mothers' play with their toddlers: individual variability as a function of psychosocial factors

There is no one style of parenting which characterizes young mothers as a group. In addition, life circumstances play an important role in shaping maternal behaviour. The aim of this study was to identify patterns of maternal play behaviour and contextual (social and personal) factors associated with these different patterns. In this study, 107 young mothers were observed at home during play with their toddlers; maternal behaviour was coded for joint attention (shared focus of mother and toddler attention) and emotional availability (e.g. sensitivity, intrusiveness, hostility). Mothers reported on aspects of their childhood history and current personal functioning and social support. A person‐centred analytic approach, using cluster analysis, revealed three distinct groups of maternal play behaviour: (1) ‘sensitive‐engaged’ (2) ‘inconsistent‐directive,’ and (3) ‘intrusive‐prohibitive’. Multivariate analyses revealed that contextual factors in mothers' lives (e.g. childhood abuse, depressive symptomatology, partner violence, social support, and parenting self‐confidence) were differentially associated with parenting clusters. Copyright © 2007 John Wiley & Sons, Ltd.     

Foundations of generativity: Personal and family correlates of emerging adults’ generative life-story themes

Recently, the Eriksonian midlife personality strength of generativity has been described as existing in many forms and in persons of differing ages (McAdams, 2001). In this longitudinal study, narratives of life “turning points” and significant accomplishments were examined for generative themes in 32 adolescent/emerging adults (aged 16 and 20 years). We also explored these emerging adults’ volunteering behavior, prosocial reasoning, and parental influence as potential factors in generativity. Several parenting factors when adolescents were 16 (parents’ autonomy-encouraging practices, their emphasis on caring in stories of family value teaching, and adolescents’ reports of authoritative parenting style) were associated with more generative themes in narratives at age 20. Adolescents’ levels of prosocial reasoning, volunteering behavior, and personal value choices were also associated as expected with generative theme usage at age 20 in life stories, supporting the meaningfulness of this construct in emerging adulthood.     

Weakly aggressive behaviour towards nymphs in the cockroach Schultesia nitor (Blattaria: Zetoborinae)

This paper describes aggressive behaviour in the cockroach Schultesia nitor, a tropical forest species living in bird nests. Young S. nitor nymphs are known to show active dispersal while old nymphs and adults are contrastingly strongly gregarious, a combination of features never observed in other cockroach species. Our laboratory experiments using video recording of confrontations between pairs show that aggressive behaviour towards conspecific nymphs is not exhibited towards nymphs of the species Phoetalia pallida, and thus can be considered species specific in S. nitor. But, it is not kin oriented: the mother and all adults of both sexes in different physiological states exhibit this behaviour as well. Six types of aggressive interactions were discriminated, occurring in age-symmetric pairs of nymphs and adults. Even more frequent aggression was exhibited by adults and last instar nymphs towards younger nymphs of all instars. The frequency of aggressive acts and types of aggressive interactions varied according to sex and size of the two interacting individuals. The possible function and evolution of this behaviour is discussed, with emphasis on the difficulty of interpreting obvious but weak and not kin-biased aggression.     

Preexposure effects in the spatial domain: Dissociation between latent inhibition and perceptual learning

In 4 experiments, rats were given intermixed or blocked preexposure to an array of landmarks that subsequently defined the location of a hidden goal in a Morris pool task. Previous research has shown that intermixed preexposure to pairs of adjacent landmarks retards learning whereas preexposure to individual landmarks facilitates subsequent learning (J. Prados, V. D. Chamizo, & N. J. Mackintosh, 1999). Accordingly, in Experiment 1, intermixed and blocked preexposure to pairs of adjacent landmarks was found to retard learning. In Experiment 2, however, a scheduling effect was found: Rats given intermixed preexposure to the individual landmarks learned faster than rats given blocked or no preexposure. Experiment 3 showed that intermixed (but not blocked) preexposure to pairs of landmarks resulted in a facilitatory effect when preexposure and test were carried out in different contexts. Experiment 4 replicated within a single experiment the main results observed in Experiments 1 and 3. This pattern of results suggests that intermixed preexposure engages learning processes other than latent inhibition that facilitate subsequent learning of the navigation task.     

Satisfaction and psychological well-being as antecedents of organisational commitment

Satisfaction and psychological well-being as antecedents of organisational commitment. The role of organisational commitment in public administration and its repercussions on the institution are examined in this study. It reports part of a larger research project that studies job satisfaction, life satisfaction, and psychological well-being as antecedents of organisational commitment. Data were collected from 697 public-sector employees, using questionnaires. Results showed that job satisfaction, life satisfaction, and psychological well-being were strong predictors of organisational commitment. Higher levels of job satisfaction, life satisfaction, and psychological well-being were associated with more favourable perceptions of organisational commitment. Furthermore, this study highlights the impact of dynamic work on the employee's commitment.     

Advantages of difficult tasks1

If people work on a hard task before proceeding to one of intermediate difficulty, success will be relevant (predictive of future success) while failure will be irrelevant (not predictive of future failure). However, if they work first on an easy task, success will be irrelevant (not predictive of future success) while failure will be relevant (predictive of future failure). Previous research thus suggests that experience with hard tasks should always lead to more favorable evaluations of one's performance and better future performance than experience with easy tasks. The present study tested these predictions by manipulating initial expectancy (high or low), perceived difficulty of a set of practice problems (practice problems easier, harder, or equal in difficulty to those on a subsequent test), and practice problem feedback (success or failure). As predicted, experience with hard practice problems was most beneficial, regardless of the level of the feedback which students received. This was more true for males than females and for students with high ability than students with low ability.     

Hypermnesia for pictures: Incremental memory for pictures but not words in multiple recall trials

Two studies are reported on multiple forced recall following a single visual presentation of a sequence of pictures or words. In both experiments, a hypermnesic memory function (in which performance improved with repeated recall) was obtained for pictures, while a flat, nonincremental function was obtained for words. Interpolation of intervals of thinking between recall trials further enhanced hypermnesia for pictorial items. Retrieval, whether overt (recall trials) or covert (thinking), apparently produces increased net recovery of pictures but not words.     

Antecedents Of Trust: Establishing A Boundary Condition For The Relation Between Propensity To Trust And Intention To Trust

Two studies were conducted to examine the antecedents of intention to trust proposed by Mayer, Davis, and Schoorman [1995, Academy of Management Review, 20(3), 709–734]. In their model, intention to trust is influenced by the perceived characteristics of the trustee and the predisposition of the trustor. We found that perceived ability, benevolence, and integrity of the trustee predicted an individuals intention to trust. Propensity to trust, that is, an individuals disposition to trust, correlated with intention to trust when information about trustworthiness was ambiguous, but did not correlate with intention to trust when information about trustworthiness was clear. The notion of strong and weak situations is used to argue that situational strength is a boundary condition of the relation between propensity to trust and intention to trust.     

The shared leadership process in decision-making teams

The present study examined the process of shared leadership in 45 ad hoc decision-making teams. Each team member's leadership behavior (n = 180) was assessed by behaviorally coding videotapes of the teams' discussions. The within-team patterns of leadership behavior were examined using cluster analysis. Results indicated that the likelihood of a team experiencing a full range of leadership behavior increased to the extent that multiple team members shared leadership, and that teams with shared leadership experienced less conflict, greater consensus, and higher intragroup trust and cohesion than teams without shared leadership. This study supports previous findings that shared leadership contributes to overall team functioning, and begins to delineate the extent to which team members may naturally share leadership.     

Emergency Department Youth Patients With Suicidal Ideation or Attempts: Predicting Suicide Attempts Through 18 Months of Follow‐Up

This prospective study of suicidal emergency department (ED) patients (ages 10–18) examined the timing, cumulative probability, and predictors of suicide attempts through 18 months of follow‐up. The cumulative probability of attempts was as follows: .15 at 6 months, .22 at 1 year, and .24 by 18 months. One attempt was fatal, yielding a death rate of .006. Significant predictors of suicide attempt risk included a suicide attempt at ED presentation (vs. suicidal ideation only), nonsuicidal self‐injurious behavior, and low levels of delinquent symptoms. Results underscore the importance of both prior suicide attempts and nonsuicidal self‐harm as risk indicators for future and potentially lethal suicide attempts.