Transfer of training for two ball-throwing tasks

The effects of training overhand ball throws to enhance underhand ball-throwing accuracy were studied with 921 Italian high school pupils (575 girls, M age = 16.5 yr., SD = 1.3; 346 boys, M = 16.5 yr., SD = 1.2) ages 14 to 18 years. A standardized test (10 underhand tennis-ball throws into the floor area delimited by an 80-cm radius wooden hoop lying on the floor 9 m from the standing pupil) was performed and scored. An Experimental group (435 girls, M age = 16.5 yr., SD = 1.3; 204 boys, M age = 16.5 yr., SD = 1.2) was randomly selected to participate in 10 weekly training periods. The set included 10 overhand throws of a rubber bouncing ball (14.5 cm diameter, weight 240 g) into a basketball hoop from 5 standardized positions (in front of the basketball hoop; at 45 degrees, 90 degrees on the right and on the left of the basketball hoop) at a distance of 4.40 m. The underhand test was repeated for both groups. On the average, boys obtained higher test scores than girls of the same age. Older adolescents had higher mean scores than younger adolescents. After 10 weeks, boys and girls of all ages improved. Mean differences between sessions were significant for the Experimental group (Student t test, p < .01). In Session 2, consistent differences between Experimental and Control groups were also found (Student t test, p < .05).     

Sex differences in association of race performance, skin-fold thicknesses, and training variables for recreational half-marathon runners

The purpose of this study was to investigate the association between selected skin-fold thicknesses and training variables with a half-marathon race time, for both male and female recreational runners, using bi- and multivariate analysis. In 52 men, two skin-fold thicknesses (abdominal and calf) were significantly and positively correlated with race time; whereas in 15 women, five (pectoral, mid-axilla, subscapular, abdominal, and suprailiac) showed positive and significant relations with total race time. In men, the mean weekly running distance, minimum distance run per week, maximum distance run per week, mean weekly hours of running, number of running training sessions per week, and mean speed of the training sessions were significantly and negatively related to total race time, but not in women. Interaction analyses suggested that race time was more strongly associated with anthropometry in women than men. Race time for the women was independently associated with the sum of eight skin-folds; but for the men, only the mean speed during training sessions was independently associated. Skin-fold thicknesses and training variables in these groups were differently related to race time according to their sex.     

The effects of assertive training on performance in highly anxious adolescents

The effects of assertive training on measures of assertiveness, state anxiety, and mathematics performance in highly anxious adolescents were investigated. A group of 96 highly anxious 9th graders was assigned to one of four treatment groups. Pretest and posttest assessment included the Adolescent Self-Expression Scale (a measure of assertiveness), the State-Trait Anxiety Inventory, and the Mathematics Problems and Concepts subtests of the California Achievement Test. Experimental treatment consisted of four assertive training sessions, while placebo treatment for the control groups consisted of four career development training sessions. Posttest was administered to all four groups. A MANOVA was used to analyze all of the data on the students who took the pre- and posttest and attended two or more training sessions. Assertive training resulted in increased assertiveness and decreased state anxiety, with no significant effect on mathematics performance, and no significant effect due to sex. It was concluded that assertive training is a counseling technique which can be used effectively with 9th graders.     

Early sport involvement in young Portuguese basketball players

The purpose of this study was to examine the quantity and type of sporting activities undertaken by young Portuguese basketball players in early stages of athletic development. 750 basketball players aged between 12 and 16 years served as participants, grouped by sex and competitive level. The Skilled group comprised players representing the 9 highly ranked regional teams (n=378) while the Less-skilled group comprised the players representing the remaining 9 regional teams (n=372). All the participants filled out a previously validated questionnaire based on retrospective information linked to the training activities experienced throughout their involvement in sport. Results suggest that the majority of the players started practicing sports preferentially between 6 and 10 years. However, a significant number of players reported a later start, between 11 and 14 years of age. The pattern of sport involvement confirmed important divergences in the path reported by the players by the team's competitive level. The major findings of this study confirmed that players representing the highly ranked teams demonstrated a tendency to extend their training activities during longer periods during the week and throughout each season.     

Body-image and obesity in adolescence: a comparative study of social-demographic, psychological, and behavioral aspects

In current society, body and beauty's cult emerge as one of the main factors of adolescence. That leads adolescents to be dissatisfied with their own appearance, to psychological maladjustment, and nutritional disorders. This quantitative, exploratory, and cross-sectional research evaluates how adolescents perceive their weight and the prevalence of obesity in a sample of adolescents from the district of Viseu (Portugal). It also attempted to compare the relation of body-image and obesity with sociodemographic (school, sex, age, socioeconomic status, family functioning), psychological (self-concept, depression, school success) and behavioral aspects (physical inactivity). After data analyses, it was verified that the prevalence of obesity was 8.8% but 12.7% considered themselves obese. These adolescents had higher physical inactivity, poorer family functioning, a lower self-concept, and a higher depression index. The really obese adolescents were older and had poorer academic results. Obesity was higher in boys, but girls perceived themselves more as being obese. In conclusion, it is essential to evaluate weight perception in addition to body mass index (BMI), because the main problem could be related not only to being obese, but also to the perception of having a higher than ideal weight.     

Motivational interviewing as a way to promote physical activity in obese adolescents: A randomised-controlled trial using self-determination theory as an explanatory framework

Using self-determination theory (SDT) as an explanatory framework, this randomised-controlled study evaluates the effect of a motivational interviewing (MI)-based intervention as an addition to a standard weight loss programme (SWLP) on physical activity (PA) practice in obese adolescents over a six-month period. Fifty-four obese adolescents (mean age?=?13?years, mean BMI?=?29.57?kg/m²) were randomly assigned to an SWLP group (n?=?28) or SWLP?+?MI group (n?=?26). Both groups received two SWLP sessions, supplemented for the SWLP?+?MI group, by six MI sessions. Perceived autonomy support, perceived competence, motivational regulations, PA and BMI were assessed at baseline, three and six months (i.e. the end of the programme). MLM analyses revealed that compared to SWLP, the SWLP?+?MI group had a greater BMI decrease and a greater PA practice increase over time. Moreover, the SWLP?+?MI group reported greater autonomy support from medical staff at the end of the programme, greater increase in integrated and identified regulations and a stronger decrease in amotivation. MI appears as an efficient counselling method as an addition to an SWLP to promote PA in the context of pediatric obesity.     

An exploratory study of parent-child communication about sex and the sexual attitudes of early, middle, and late adolescents

In an attempt to examine the relationship between parent-child communication about sex and parent-adolescent attitudes about sex, 12- to 20-year-olds (N = 141) and their parents completed sexual communication and attitude questionnaires. The correlation between parents' and children's attitudes were high for all the early adolescents and low for all the middle adolescents. Only among the late adolescents was there a significant difference in the correlations between the sexual attitudes of parents and their children as a function of family communication level, with the attitudes of adolescents and parents in the high communication group being highly correlated and the attitudes of adolescents and parents in the low communication group not being significantly correlated. Middle adolescents had significantly more permissive sexual attitudes than early and late adolescents. Gender variables were also studied, but conclusions were limited due to the small number of participating fathers. All findings must be tempered with the recognition of the possible sampling bias introduced by the use of a convenience sample. It is suggested that the more responsible sexuality seen in adolescents who can talk to their parents about sex may be a function of the similarity in sexual attitudes between these late adolescents and their parents.     

Are attachment styles differentially related to interpersonal perfectionism and binge eating symptoms?

In the current study we aimed to examine the association between attachment styles towards father and mother, perfectionistic self-promotion (PSP), socially prescribed perfectionism (SPP), and binge eating symptoms in a sample of 328 late adolescents (mean age 17.1 years). It was examined whether anxiously and avoidantly attached adolescents would differentially cope with their insecure feelings. It was hypothesized that anxiously attached adolescents would, through hyperactivating strategies, be hypersensitive to the expectations of others. Avoidantly attached adolescents were hypothesized to present a perfect image of the self, because of their deactivating emotion regulation. Furthermore, the mediating role of perfectionism in the relation between attachment representations and binge eating symptoms was examined. Results showed that anxious attachment was significantly positively associated with PSP, SPP, and binge eating. Avoidant attachment towards mother was only positively associated with SPP, whereas avoidant attachment towards father was positively associated with PSP and binge eating. PSP fully mediated the relation between avoidant attachment towards father and binge eating. Interestingly, the current findings showed the importance of examining attachment representations towards both parents.     

An Exploratory Study of Parent-Child Communication About Sex and the Sexual Attitudes of Early,Middle, and Late Adolescents

In an attempt to examine the relationship between parent-child communication about sex and parent-adolescent attitudes about sex, 12- to 20-year-olds (N = 141) and their parents completed sexual communication and attitude questionnaires. The correlation between parents' and children's attitudes were high for all the early adolescents and low for all the middle adolescents. Only among the late adolescents was there a significant difference in the correlations between the sexual attitudes of parents and their children as a function of family communication level, with the attitudes of adolescents and parents in the high communication group being highly correlated and the attitudes of adolescents and parents in the low communication group not being significantly correlated. Middle adolescents had significantly more permissive sexual attitudes than early and late adolescents. Gender variables were also studied, but conclusions were limited due to the small number of participating fathers. All findings must be tempered with the recognition of the possible sampling bias introduced by the use of a convenience sample. It is suggested that the more responsible sexuality seen in adolescents who can talk to their parents about sex may be a function of the similarity in sexual attitudes between these late adolescents and their parents.     

Perfectionistic self-presentation, socially prescribed perfectionism, and suicide in youth: a test of the perfectionism social disconnection model

The role of interpersonal components of perfectionism in suicide outcomes among youth was assessed and the Perfectionism Social Disconnection Model (PSDM) was tested by determining whether the links between socially prescribed perfectionism (SPP) and perfectionistic self-presentation (PSP) and suicide outcomes are mediated by experiences of social disconnection, as indicated by social hopelessness and being bullied. PSP, trait perfectionism, suicide outcomes, and experiences of being bullied and social hopelessness were measured in 152 psychiatric outpatient children and adolescents. Correlational tests confirmed that PSP and SPP were associated with suicide outcomes and these interpersonal perfectionism components were associated significantly with bullying and social hopelessness. Support was also obtained for the PSDM. The relationship between the PSP facets, particularly nondisplay of imperfections, and suicide outcomes were mediated by being bullied. Additionally, the relationship between all interpersonal components of perfectionism and suicide risk was mediated by social hopelessness. Theoretical and clinical implications of interpersonal components of perfectionism and social disconnection in suicide outcomes for youth are discussed.     

A Comparison of Interactions Among Children,Parents, and Therapists in Cognitive Behavior Therapy for Anxiety Disorders in Australia and Japan

Despite growing attention to the efficacy of culturally adapted cognitive-behavioral treatment (CBT) programs for children and adolescents, there is still little empirical and practical information available to therapists who adapt original treatment protocols to suit clients of a specific culture. The current study aimed to compare therapeutic interactions across CBT treatment delivered with two different cultural groups. We developed an observational coding system to examine behaviors exhibited by child, parent, and therapist during CBT sessions conducted in Australia and Japan for children with anxiety disorders. Our results demonstrated significant differences between the two countries with respect to the treatment readiness of children, the proportion of talking during the sessions by parents and children, therapists’ laughter, length of silence during the first session, and parent indices of accommodation. In terms of transitions over time (i.e., first to last CBT session), parents in both countries tended to talk more during the last CBT session, whereas only Australian therapists talked less over time. The proportion of silence decreased over time during the Japanese sessions, and the amount of interruptions by parents increased over time for Australian sessions. Finally, our exploratory analyses demonstrated that a number of behavioral observations were correlated with anxiety treatment outcome at posttreatment. This study suggests that interactions between a child, parent, and therapist during CBT sessions may be affected by the culture in which the CBT session occurs, which could have implications for culturally adapted CBT programs.     

‘You Gotta See Both at the Same Time’: Visually Analyzing Player Performances in Basketball Coaching

Developing novices’ proficiency in skilful activities is central to the reproduction of human societies. The interactional practices through which instruction is accomplished have provided a rich focus for ethnomethodological and conversation analytic studies examining classroom settings, and, more recently, non-classroom environments of instruction in practical and manual skills. This paper examines the work of instruction in basketball training and in particular the correction of player performances, which are a ubiquitous and central feature of instruction in basketball training sessions. A central part of this instructional action relies on the coach observing training activities to determine players’ competencies and to extract relevant correctables from the players’ embodied displays, which are in turn embedded within complex arrangements of rapidly moving bodies situated in material environments. In this paper we examine the visual-analytic work involved in both organizing and observing a basketball training activity, demonstrating the sequential layering of multiple membership categorization devices drawn upon in producing and recognizing actions in this setting. We argue that the coach deploys spatial orientations which function analogously to membership categorization devices, with players’ bodily positions relative to one another and the material structure of the surround generating category-like sets of rights, responsibilities, and sequential relevancies. As we demonstrate, these orientations provide crucial resources for the identification of players’ errors and thereby for the organization of instruction in interaction in this setting.     

Assertion modeling and stimuli effects on assertive behavior and self-efficacy in adolescents

The present investigation examined variations of modeling and stimuli with 61 adolescents selected for unassertive or aggressive behavior toward teachers. A 3 × 2 × 2 factorial design evaluated the effects of type of assertion modeling (three sessions of overt vs covert vs no-modeling), type of training stimuli (single involving teachers only vs multiple involving teachers, parents and peers) and type of initial behavior (unassertive vs aggressive) on behavioral role-play and self-efficacy. Modeling, particularly overt modeling, improved assertive behavior in teacher situations, peer situations and total teacher, parent, and peer situations. The use of single type stimuli improved self-efficacy in total teacher, parent and peer situations, and in novel situations involving others. Behavior but not self-efficacy was differentially affected by initial unassertive or aggressive behavior of participants. Self-efficacy and behavior were only moderately correlated. Results suggest effectiveness of short-term modeling with adolescents and different specificity properties of self-efficacy and assertive behavior.     

Late maturation of auditory perceptual learning

Adults can improve their performance on many perceptual tasks with training, but when does the response to training become mature? To investigate this question, we trained 11‐year‐olds, 14‐year‐olds and adults on a basic auditory task (temporal‐interval discrimination) using a multiple‐session training regimen known to be effective for adults. The adolescents all began with performance in the adult range. However, while all of the adults improved across sessions, none of the 11‐year‐olds and only half of the 14‐year‐olds did. The adolescents who failed to learn did so even though the 10‐session training regimen provided twice the number of sessions required by adults to reach asymptotic performance. Further, over the course of each session, the performance of the adults was stable but that of the adolescents, including those who learned, deteriorated. These results demonstrate that the processes that underlie perceptual learning can continue to develop well into adolescence.     

Perceived verbal aggressiveness of coaches in volleyball and basketball: a preliminary study

This study examined verbal aggressiveness of coaches as perceived by their athletes, 108 senior athletes (57 boys and 51 girls) ages 15-19 years. Participants were basketball players (56 athletes) and volleyball players (52 athletes) who completed questionnaires. The scale of verbal aggressiveness showed high internal consistency. A two-way analysis of variance, conducted using sex and sport as independent variables to examine interactions, yielded significant differences between adolescent volleyball and basketball athletes. Volleyball athletes had lower scores on the Verbal Aggressiveness Scale than basketball players. Research with larger samples and other sports is recommended.     

Teaching janitorial skills to autistic adolescents

In the Special Education Clinic at the University of Texas at El Paso, a study was conducted to teach janitorial skills to retarded adolescents with autism. The study was designed to examine the efficacy of using three levels of prompts on three autistic clients' acquisition of 18 response sequences in cleaning a restroom. The restroom cleaning behavior was task analyzed prior to the implementation of the ten training sessions which were conducted once a week for one hour. The results indicated that, as compared to the pretraining competencies, the training was effective in teaching restroom cleaning skills. However, without prompts the skills acquired remained at about a 70% proficiency rate, which appeared to be a plateau under the training situation. Clients were also able to generalize without prompts approximately 83% of the acquired (or 52% of the total) sequences to new and similar restrooms. The study demonstrates that, to a certain degree, autistic adolescents with mental retardation can learn and transfer restroom cleaning skills. More research is needed on ways to increase the fluency of their responses, decrease reliance on physical prompts, and to improve generalization to other vocational settings.     

Deviancy and Normative Training Processes in Experimental Groups of Delinquent and Nondelinquent Male Adolescents

The goal of this study was to identify the predictors and the moderators of group characteristics that influence deviancy and normative training processes in delinquent male adolescents. The authors experimentally tested the effects of group composition on deviant talk interaction processes among groups in which all members presented delinquent behaviors (“pure” delinquent group condition), those that included adolescents with no delinquent behaviors (“pure” normative group condition), and adolescents with both profiles (“mixed” group condition). Participants were 70 male adolescents aged 15–18 (M = 16.5; 56% Caucasian), with a random assignment to groups. Data were collected among three group sessions (T1, T2, T3), one session a week, using videotape. Two contents of interactions were also measured: antisocial and normative stories, counterbalanced across sessions. Results showed a significant group effect for antisocial talk and its reinforcement, with less antisocial talk within the mixed group condition in comparison to the pure delinquent group condition. The topic of interaction was also observed as a predictor of antisocial talk, with less normative interactions and more antisocial talk associated with antisocial topics. Finally, time moderated some relations between experimental groups and talk. We conclude with a discussion of the implications of this work for future research on deviancy training processes. Aggr. Behav. 39:30‐44, 2013. © 2012 Wiley Periodicals, Inc.     

Knowledge and imagery of contractile mechanisms do not improve muscle strength

Improving performance in strength tasks requires modifications charateristic of motor skill learning, such as more efficacious motor-unit firing behavior. Because domain-specific knowledge is integral to learning and performing motor kills, the present purpose was to examine selected factors of strength-specific knowledge and effects they might have on acquiring strength. Following baseline testing for maximal strength on a knee-extension task, participants were matched by sex and strength and placed into control (n=8) and treatment (n=8) groups. Quadriceps muscle electromyographic data were also collected. The treatment group underwent two educational sessions detailing muscle physiology, neural control of muscle force, and imagery training using this knowledge. The control group underwent two educational sessions about health and fitness. Following the educational sessions the participants were retested for strength. Analysis indicated that the education and imagery treatment had no effect on strength, nor did electromyographic measures indicate that the treatment group benefitted from intervention. It was concluded that the knowledge was simply not relevant to knee extension-force production or that use of the knowledge involved a disadvantageous internal focus of attention away from relevant task demands.     

Brief cognitive behavioral intervention for children and adolescents with persistent post-concussive symptoms: A pilot study

This study aims to evaluate the efficacy of a brief cognitive behavioral intervention program for children and adolescents experiencing persistent post-concussion symptoms. A total of 31 patients aged 10 to 18 years participated in the intervention. The median time since injury at treatment onset was 95 days though the range was large (23–720 days). Treatment was on average four sessions in duration. Sessions included concussion education, activity scheduling, sleep hygiene relaxation training, and cognitive restructuring. Outcomes were measured using symptom reports on the Sports Concussion Assessment Tool – Third Edition (SCAT-3) and parent-reported quality of life on the Pediatric Quality of Life Inventory (PedsQL). Mixed-effects models revealed that symptom reports did not decrease prior to the initiation of this treatment, though significant symptom improvement occurred following treatment. Quality of life scores significantly improved across domains, with the largest gains made in the emotional and school domains. Participant characteristics including age, sex, maternal education, and previous mental health problems were not found to be significantly related to treatment outcomes. Contrary to predictions, length of time since injury was not related to symptom changes. The primary limitation of this study is that it lacks randomization and an experimental control group. The results suggest that brief cognitive behavioral intervention may be a promising treatment for children and adolescents experiencing persistent post-concussive symptoms and warrants further investigation.