Performance of Faller and Nonfaller Older Adults on a Motor–Motor Interference Task

Typically, falls in older adults occur when 2 tasks are performed simultaneously, due to the increased motor demand required to maintain stability and attention to perform the other task. The authors' purpose was to investigate walking while grasping, transporting, and placing a dowel on a predetermined target while manipulating difficulty levels of the manual task. Faller and nonfaller older adults performed a walking block (manual tasks combined with gait) and a stationary block (upright stance combined with manual tasks). The manual task involved grasping, transporting, and placing the dowel over a target. The results showed that fallers underperformed when compared with nonfallers in the task of placing the dowel over the target. The main difference observed between the groups was found in the condition that required allocation of attention between tasks and greater accuracy in the final placement of the object. Fallers showed gait stability similar to the nonfallers, but fallers were less accurate than nonfallers in the object placement task, especially for the highest level of difficulty. Thus, fallers seem to use a stability-first strategy. Fallers had problems in executing the manual tasks, which suggests a more global change in motor behavior rather than specific changes to balance control.     

The Relationship Between Students’ Reading Orientations and their Strategic Activity During a Collaborative Reading Task

This study examined the connection between middle school students’ beliefs about reading and their use of comprehension strategies during a collaborative reading activity. Seventy-one fifth- and sixth-grade students were videotaped while they worked in small groups to read and discuss short texts describing the reading habits and abilities of four fictitious readers. Students’ conceptions of successful reading were determined based on their rankings of these fictitious readers, and their strategic activity was indexed by coding their use of strategies and the participation roles they assumed while working together. The analyses revealed a strong relationship between students’ conceptions of reading and their patterns of interaction during the collaborative activity. The findings enrich our understanding of this relationship and raise important questions for future investigations.     

The Influence of Mothers’ Emotional Expressivity and Class Grouping on Chinese Preschoolers’ Emotional Regulation Strategies

Emotional regulation within the context of social situations refers to an individual’s ability to respond to emotions in socially acceptable ways in order to adapt quickly and to maintain good interpersonal relationships. Emotional regulation is a psychological characteristic at the core of social stability. The preschool period is a stage in which children’s emotional regulation develops rapidly. Because homes and preschools are the two main places where preschoolers grow and spend their time, their mothers and peers play key roles in their social interactions. Therefore, the present study explored how the emotional regulation strategies of preschool children in China are affected by children’s class grouping and their mothers’ emotional expressivity. The participants were 182 preschoolers (ages 3–5) who were recruited for this study. The Emotional Regulation Strategy Questionnaire and the Self-Expressiveness in the Family Questionnaire were used to explore preschoolers’ emotional regulation strategies and their mothers’ emotional expressivity, respectively. The study results are as follows. (1) As they develop, preschool children use more positive emotional regulation strategies and fewer negative emotional regulation strategies. (2) Children in mixed-age classes use fewer passive reaction strategies than children in same-age classes do. For replacement activity strategies, only 4-year-old children in mixed-age classes score higher than children in same-age classes. (3) Mothers’ tendencies toward positive emotional expression can positively predict their children’s use of positive emotional regulation strategies, and their displays of negative emotions can positively predict their children’s use of negative emotional regulation strategies.     

Practicing a Structured Continuous Key-Pressing Task: Motor Chunking or Rhythm Consolidation?

An experiment is reported on the effects of extensive practice in a task in which subjects (N = 36) pressed a succession of nine keys with nine separate fingers, each key press in response to a corresponding stimulus. The order of the key presses remained constant over practice. Key-pressing cycles followed each other without interruption. A stimulus was usually presented immediately upon depressing the previous key, but in the structured conditions a stimulus was preceded at either two (the 45 group) or three (the 333 group) positions by a 750-ms response-stimulus interval (RSI). This partitioned the sequence into three response groups for subjects in the 333 condition and into two response groups for subjects in the 45 condition. On occasion, all subjects performed in the unstructured condition, in which RSls were zero. Interkey times in this condition clearly reflected the position of the 750-ms RSls in the structured conditions. This suggests that motor chunks developed in the structured conditions were also used in the unstructured condition. Rhythm-based control, as proposed by Summers (1975), was rejected as an explanation for this effect because group-start-within-group ratios exceeded 2:1 and because the theory of rhythm-based control could not predict intervals in the unstructured 45 condition. Unstructured within-group intervals were slower than structured within-group intervals, which effect was more pronounced in the 333 than in the 45 condition. Also, the initial element of the unstructured four-key group was faster than the initial element of the unstructured three-key group. These and other findings (a) accord with the notion that in unstructured sequences preparing a forthcoming response group concurs with the execution of the preceding group and (b) suggest that shorter groups are more slowed by concurrent preparation for the forthcoming group than are longer groups.     

Violations of Fitts’ Law in a Ballistic Task

ABSTRACT

The authors explored changes in the postural preparation and movement times during jumps into targets of different sizes placed at different distances from the participant. Both movement and preparation times scaled with movement distance. Neither movement nor preparation time showed an effect of target size, although preparation time showed a tendency to increase for smaller targets. These observations show that the classical Fitts’ law can be violated in tasks that involve a ballistic component. The data corroborate a hypothesis that Fitts’ law originates at the level of movement planning.     

What Are the Effects of a Parent-Implemented Verbal Responsive Intervention on Preschoolers With Externalizing Behavior Problems?

This research was conducted to assess the impact of a parent-based verbal responsive intervention, aiming to enhance parents’ responsiveness and communication strategies, by way of a sample of parents and their preschool-aged children with a clinical level of externalizing behavior problems. Twenty-one parents received the intervention, consisting of eight 1.5-hour sessions. The study tested the hypothesis that the intervention led to an improvement in parenting variables and a decrease in children’s behavior problems, assessed by a multimethod procedure. The results partially confirmed the prediction, as they showed an enhancement of parents’ responsiveness and parent self-efficacy belief, which are promising findings, but no modifications of negative practices. These effects persisted for 4 months after the intervention. Moreover, a decrease in children’s externalizing behavior problems was reported by parents in a questionnaire, but this was not confirmed by an observational paradigm. This last result seems to show that a parent-implemented verbal responsive intervention is necessary for some children with externalizing behavior difficulties but often insufficient, and has to be part of a multidisciplinary treatment approach.     

Low-Income Parents’ Socialization of Their Preschoolers’ Early Reading and Math Skills

Children from low-income and Black and Latino families are often at risk for reading and math difficulties. We examined whether there were differences in Black and Latino Head Start parents' beliefs about reading and math socialization, frequency of children's engagement in reading and math, and children's reading and math skills. There were differences in parents' socialization beliefs, children's reading and math activities, and associations with children's reading and math outcomes. Although reading/math engagement was more limited than what is reported among middle-income families, findings show the importance of parental beliefs and practices for children's reading and math outcomes.     

Beyond Compliance: Mother–Child Joint Action During a “Do” Task

Much of the literature on parent-toddler interactions does not account for the lack of independence in data. This investigation used a theory and method appropriate for examining the moment-to-moment patterns of joint actions between mothers and toddlers during a “do” task. Using contextual action theory to guide a mixture of methods, we observed and described the joint goal-directed series of actions of mothers and their toddlers as well as mothers’ intentions, meanings, and emotions they ascribed to their actions. Additionally, the associations between the patterns of joint mother-toddler actions and children’s negative emotionality were examined. Thirty mothers and their children participated in the study. Data collection included video-recorded activity, video recall interviews, and self-report questionnaires. Quantitative and qualitative analysis of the data revealed that (a) children were mostly engaged in the task alongside with their mothers’ on-going involvement; (b) mothers attributed a range of meanings to their interactions with their children; and (c) mothers’ perceptions of their toddlers’ dimensions of emotional negativity were associated with the organization of dyads’ joint goal directed actions—both when children were engaged in the task or self-focused.     

Preschoolers’ distress and regulatory behaviors vary as a function of infant–mother attachment security

Children (N = 98) with higher attachment security scores, and lower resistance and avoidance scores during the Strange Situation at 16 months demonstrated somewhat more adaptive observed and mother-reported emotion regulation as preschoolers independent of maternal behavior.     

Parents’ Verbal Communication and Childhood Anxiety: A Systematic Review

Parents’ verbal communication to their child, particularly the expression of fear-relevant information (e.g., attributions of threat to the environment), is considered to play a key role in children’s fears and anxiety. This review considers the extent to which parental verbal communication is associated with child anxiety by examining research that has employed objective observational methods. Using a systematic search strategy, we identified 15 studies that addressed this question. These studies provided some evidence that particular fear-relevant features of parental verbal communication are associated with child anxiety under certain conditions. However, the scope for drawing reliable, general conclusions was limited by extensive methodological variation between studies, particularly in terms of the features of parental verbal communication examined and the context in which communication took place, how child anxiety was measured, and inconsistent consideration of factors that may moderate the verbal communication–child anxiety relationship. We discuss ways in which future research can contribute to this developing evidence base and reduce further methodological inconsistency so as to inform interventions for children with anxiety problems.     

Preschoolers’ Emotion Expression and Regulation: Relations with School Adjustment

Children's expression and regulation of emotions are building blocks of their experiences in classrooms. Thus, the authors’ primary goal was to investigate whether preschoolers’ expression or ability to regulate emotions were associated with teachers’ ratings of school adjustment. A secondary goal was to investigate how boys and girls differed across these associations. Children's social-emotional behaviors in Head Start and private childcare center classrooms were observed, and using a series of measures, teachers’ ratings of children's social competence, attitudes toward school, positive teacher relationships, and cooperative participation were collected. Three factors of children's school adjustment were extracted from these indicators. A series of hierarchical regressions revealed that emotion expression and regulation were indeed associated with children's reported school adjustment, with the strongest associations stemming from children's negative emotion expression and their emotion dysregulation. Many of these associations were also different for boys and girls. The results corroborate and extend the authors’ earlier findings, and have implications for social-emotional programming to maximize children's early school success.     

Associations Between Fathers’ and Mothers’ Psychopathology Symptoms,Parental Emotion Socialization,and Preschoolers’ Social-Emotional Development

In this study we tested whether the relation between fathers’ and mothers’ psychopathology symptoms and child social-emotional development was mediated by parents’ use of emotion talk about negative emotions in a sample of 241 two-parent families. Parents’ internalizing and externalizing problems were measured with the Adult Self Report and parental emotion talk was observed while they discussed a picture book with their children (child age: 3 years). Children’s parent-reported internalizing and externalizing problems and observed prosocial behaviors were assessed at the age of 3 years and again 12 months later. We found that mothers’ use of emotion talk partially mediated the positive association between fathers’ internalizing problems and child internalizing problems. Fathers’ internalizing problems predicted more elaborative mother–child discussions about negative emotions, which in turn predicted more internalizing problems in children a year later. Mothers’ externalizing problems directly predicted more internalizing and externalizing problems in children. These findings emphasize the importance of examining the consequences of parental psychological difficulties for child development from a family-wide perspective.     

Profiles and Correlates of Children’s Self-Reported Coping Strategies Using a Cluster Analytic Approach

We used cluster analysis to identify children’s coping profiles and to examine self- and parent-reported correlates of coping in a community sample. Participants included 135 children (M age = 11.27, s.d. = .59) recruited from local public elementary and junior high schools and 116 of their parents. Analyses included hierarchical cluster analysis (Ward’s method), followed by non-hierarchical (k-means) cluster analysis to confirm the cluster solution. Results yielded four clusters reflecting high, active, low, and indiscriminant patterns of coping strategies. Members of the active coping group self-reported the fewest symptoms of distress and the greatest number of prosocial competencies after controlling for social desirability. No differences emerged for parent-reported psychosocial functioning across coping profiles. Our results suggest that a combination of active coping strategies may be associated with better psychosocial functioning than a combination of active and avoidant coping strategies.     

Relations Between Parents’ Anxiety Symptoms,Marital Quality,and Preschoolers’ Externalizing and Internalizing Behaviors

Our objective was to expand understanding of the associations between fathers’ and mothers’ anxiety symptoms, their perceptions of marital quality, and their children’s maladjustment behaviors. Sixty Israeli families with a child aged 3–5 participated. Mothers and fathers completed self-report questionnaires assessing parents’ anxiety symptoms, marital dissatisfaction, and marital overt conflict, and child internalizing and externalizing behaviors. The actor–partner interdependence mediation model (APIMeM) design with distinguishable dyads within a path analysis framework was used. Findings showed that marital dissatisfaction of both mothers and fathers partially mediated the links between mothers’ anxiety and child behaviors. For externalizing behaviors, actor and partner effects were found, so that mothers’ anxiety symptoms predicted mothers’ own marital dissatisfaction (actor effect) and fathers’ marital dissatisfaction (partner effect), which, in turn were linked with children’s externalizing behaviors. As for internalizing behaviors, only actor effect was found, so that mothers’ anxiety symptoms were linked with maternal dissatisfaction, which, in turn, was linked with child internalizing behaviors. For fathers’ anxiety symptoms, the APIMeM indicated only direct effects on both internalizing and externalizing behaviors. These findings highlight the risk associated with parental anxiety and the contribution of the marital relations to children’s adjustment and are discussed in light of Bronfenbrenner’s ecological model and Emotional Security Theory.     

Promoting Preschoolers’ Emotional Competence Through Prosocial TV and Mobile App Use

This study explored the relationship between preschoolers’ exposure to Daniel Tiger’s Neighborhood television programming and its accompanying mobile app and preschoolers’ emotion knowledge and use of emotion regulation strategies. An experiment involving 121 parent-child dyads from 3 US metro areas found that children who played with the Daniel Tiger’s Neighborhood app, and those who both played with the app and watched episodes of the program, employed the emotion regulation strategies taught by Daniel Tiger’s Neighborhood media more frequently 1 month later than children in a control condition. Preschoolers (3- and 4-year-olds) also exhibited higher levels of emotion knowledge 1 month after playing with the app. In addition, watching Daniel Tiger’s Neighborhood TV episodes in the home led to increases in parents’ provision of active mediation. Implications for families, educators, and producers of educational media content are discussed.     

Teaching and Learning in a South African University: Are Peer Facilitators’ Strategies Succeeding?

Journal of Academic Ethics - The aim of this paper is to examine the strategies used by peer facilitators in improving students’ academic performance in a previously disadvantaged university...     

Motor imagery and ‘placebo-racket effects’ in tennis serve performance

ObjectivesThis study aimed at confirming whether Motor Imagery (MI) enhances tennis serve performance, and determining whether a placebo condition could affect the beneficial effects of MI.DesignThis study used a 3 × 2 factorial design. Three groups of tennis players were compared in service performance outcomes before and after a training session.MethodsTwenty-two tennis players were assigned into three groups: a control (C) and two experimental groups subjected to a similar MI intervention, one group using their regular own racket (MI group) while the other used a placebo racket (P group).ResultsAnalyses of Covariance revealed no significant group difference when comparing serve velocity after training session, but MI training improved serve accuracy and regularity. Combining placebo racket with MI further resulted in greater serve accuracy score as compared to MI alone. Players' perception of their serve quality improved after MI, and this effect was reinforced in the P group.ConclusionThese findings revealed that MI may be useful to achieve peak performance, and that the implement placebo effect might be a factor in sport performance, hence promoting the beneficial effects of alternative methods to improve tennis serve performance.