The Effect of Authentic Literacy Experiences as Book Buddies with Hispanic Fourth Graders on Preservice Teachers’ Literacy Content Knowledge and Reading Maturity

From a sociocultural perspective, individuals learn best from contextualized experiences. In preservice teacher education, contextualized experiences include authentic literacy experiences, which include a real reader and writer and replicate real life communication. To be prepared to teach well, preservice teachers need to gain literacy content knowledge and possess reading maturity. The purpose of this study was to examine the effect of authentic literacy experiences as Book Buddies with Hispanic fourth graders on preservice teachers’ literacy content knowledge and reading maturity. The study was a pretest/posttest design conducted over 12 weeks. Preservice teacher participants, the focus of the study, were elementary education majors taking the third of four required reading courses in non-probabilistic convenience groups, 43 (n = 33 experimental, n = 10 comparison) Elementary Education majors. The Survey of Preservice Teachers’ Knowledge of Teaching and Technology (SPTKTT), specifically designed for preservice teachers majoring in elementary or early childhood education and the Reading Maturity Survey (RMS) were used in this study. Preservice teachers chose either the experimental or comparison group based on the opportunity to earn extra credit points (experimental = 30 points, comparison = 15). After exchanging introductory letters preservice teachers and Hispanic fourth graders each read four books. After reading each book preservice teachers wrote letters to their student asking higher order thinking questions. Preservice teachers received scanned copies of their student’s unedited letters via email which enabled them to see their student’s authentic answers and writing levels. A series of analyses of covariance were used to determine whether there were significant differences in the dependent variables between the experimental and comparison groups. This quasi-experimental study tested two hypotheses. Using the appropriate pretest scores as covariates for adjusting the posttest means of the subcategory Literacy Content Knowledge (LCK), of the SPTKTT and the RMS, the mean adjusted posttest scores from the experimental group and comparison group were compared. No significant differences were found on the LCK dependent variable using the .05 level of significance, which may be due to Type II error caused by the small sample size. Significant differences were found on RMS using the .05 level of significance.

A Vinculação e a Auto-Estima em Jovens Não-Institucionalizados Vs. Institucionalizados

Introdução: Uma relação de vinculação segura implica a presença de um modelo representacional das figuras de vinculação como “disponíveis” e capazes de proporcionar protecção e que a qualidade dos cuidados parentais precoce é fundamental a determinar a saúde mental dos indivíduos. Se esta relação assume um enorme relevância para a saúde mental de qualquer ser humano, a institucionalização de crianças/jovens, envolvendo ameaças em termos da disponibilidade das figuras de vinculação constitui uma condição propícia para atrasos de desenvolvimento e aumento da probabilidade do desenvolvimento de sintomatologia psicopatológica. Os objectivos deste estudo passam, então, por analisar as diferenças na vinculação, mas também na auto-estima, de jovens institucionalizados vs nãoinstitucionalizados. Metodologia: A nossa amostra é constituída por 223 jovens nãoinstitucionalizados de duas escolas do Concelho de Coimbra (média de idades M=15.3; desvio-padrão, DP=1.97) e 47 jovens institucionalizados (M=15.5 DP=1.93). Tanto os jovens institucionalizados como não-institucionalizados preencheram um questionário com questões sóciodemográficas, relacionais, escolares, de saúde e bem-estar (com pequenas particularidades em algumas variáveis conforme a sub-amostra), o Inventory of Parent Attachment (IPPA) e a Rosenberg Self-Esteem Scale (RSES). A sub-amostra de jovens institucionalizados respondeu ainda a questões sobre a sua adaptação/vivência ao/no Lar. Resultados: Os rapazes da amostra não institucionalizada apresentam uma pontuação média mais elevada de auto-estima vs. raparigas. Nos jovens institucionalizados não foram encontradas diferenças de género a este nível. Não existem diferenças de género, em ambas as sub-amostras, na pontuação total do IPPA e suas dimensões. Os rapazes nãoinstitucionalizados vs. institucionalizados não divergem na pontuação média total de autoestima. O mesmo sucede com as raparigas. Ambas as sub-amostras não divergem na pontuação média total do IPPA e suas dimensões. Na amostra não-institucionalizada quer nos rapazes, quer nas raparigas não existem diferenças na pontuação total média na RSES, entre os jovens mais novos vs. mais velhos. Na amostra institucionalizada também não se verificam diferenças na pontuação total na RSES por idades. Nos jovens não institucionalizados foram encontradas diferenças na pontuação total média no IPPA (e suas dimensões, à excepção da Alienação), por idade, com os mais novos a apresentarem sempre valores médios mais elevados. Na amostra institucionalizada estas diferenças não se verificaram. Nos rapazes e raparigas da amostra não-institucionalizada verificaram-se associações significativas entre a pontuação na RSES e no IPPA e em todas as suas dimensões. O mesmo se verificou na subamostra institucionalizada. Não existe uma associação significativa entre a pertença a dada sub-amostra e a pertença ao grupo “pouco seguro” vs. “muito seguro”. Apesar de outras associações terem sido encontradas, importa reforçar as associações significativas entre a pontuação na auto-estima e na vinculação total e suas dimensões (quer nos rapazes e raparigas não-institucionalizados, como na amostra institucionalizada) e variáveis como a sintomatologia depressiva, a sintomatologia ansiosa e algumas variáveis relacionais. Discussão/Conclusão: De um modo geral parecem não existir diferenças entre jovens nãoinstitucionalizados vs. institucionalizados em termos de vinculação e de auto-estima. Porém, a uma vinculação insegura e uma menor auto-estima associam-se piores outcomes (e.g. sintomatologia depressiva) em ambas as amostras. Os profissionais trabalhando com adolescentes não-institucionalizados ou institucionalizados devem preocupar-se em avaliar a sua auto-estima e vinculação, procurando, eventualmente, nelas intervir terapeuticamente. / Introduction: It is well kown that a secure attachment relation implies the presence of representational model of the attachment figures as being available and able to provide protection and that the quality of earlier parental care is crucial in determining subjects mental health and there developmental trajectories. If this relation assumes such a big relevance to the mental health of any human being, the institutionalization of children/adolescents, even when truly needed, involving threats in terms of the availability of attachment figures constitutes a condition that might lead to developmental delays and might increase the probability of psychopathological sintomatology developing. The aims of this study are, then, to analyze if there are attachment differences and, also, in self-esteem, between a sub-sample of non-institutionalized and institutionalized adolescents. Methodology: Our sample comprises 223 adolescents non-institutionalized from two schools of Coimbra Council (mean age, M=15.3; standard deviation, SD=1.97) and 47 institutionalized adolescents (M=15.5 SD=1.93). Both sub-samples filled in a questionnaire with sociodemographic, relational, about school, health and well-being questions (with small particularities in some variables, regarding each sub-sample), the Inventory of Parent Attachment (IPPA) and the Rosenberg Self-Esteem Scale (RSES). Institutionalized adolescents also answered questions about the adaptation/life to/in the institution. Results: Boys from the non-institutionalized sub-sample present an higher self-esteem mean score vs. girls. We did not find significant gender differences in self-esteem mean score in the subsample of institutionalized adolescents. There are no gender differences, in both sub-samples, in IPPA (and all its dimensions) total score. Non-institutionalized boys vs. institutionalized boys do not differ in their self-esteem mean score. The same is valid for girls. Both subsamples do not differ in their IPPA (and all its dimensions) mean score. In the noninstitutionalized sample, either in boys, either in girls there are no differences regarding total RSES mean score, between younger (12-15 years old) and older (16-20 years old) adolescents. In the institutionalized sample there were also no differences regarding this score, by age groups. In the non-institutionalized sub-sample we found differences in IPPA total mean score (an in all its dimensions, with the exception of Alienation), by age, with younger adolescents presenting always higher mean scores. In the institutionalized sample there were no differences. Both in boys and girls from the non-institutionalized sample there were significant associations between RSES score and IPPA (and all its dimensions) score. The same result was found in the total institutionalized sample. Although other significant associations were found, we must reinforce the presence of significant associations between self-esteem score and IPPA total score (and of its dimensions) (either in boys and girls noninstitutionalized, either in the institutionalized sub-sample) and variables such as lifetime and depressive symptomatology in the last two weeks, anxious symptomatology in the last two weeks and some relational variables. Discussion/Conclusion: In general, we did not found significant differences between non-institutionalized vs. institutionalized adolescents in terms of attachment and self-esteem. However, a secure attachment and a lower self-esteem are associated with worst outcomes (e.g. depressive symptomatology) in both samples. Professionals working with adolescents, either or not institutionalized must assess their selfesteem and attachment and might, eventually, intervene on these aspects therapeutically.

Effectiveness and Cost-effectiveness of Outpatient Physiotherapy After Knee Replacement for Osteoarthritis: Study Protocol for a Randomised Controlled Trial

Background: Primary total knee replacement is a common operation that is performed to provide pain relief and restore functional ability. Inpatient physiotherapy is routinely provided after surgery to enhance recovery prior to hospital discharge. However, international variation exists in the provision of outpatient physiotherapy after hospital discharge. While evidence indicates that outpatient physiotherapy can improve short-term function, the longer term benefits are unknown. The aim of this randomised controlled trial is to evaluate the long-term clinical effectiveness and cost-effectiveness of a 6-week group-based outpatient physiotherapy intervention following knee replacement. Methods/design: Two hundred and fifty-six patients waiting for knee replacement because of osteoarthritis will be recruited from two orthopaedic centres. Participants randomised to the usual-care group (n = 128) will be given a booklet about exercise and referred for physiotherapy if deemed appropriate by the clinical care team. The intervention group (n = 128) will receive the same usual care and additionally be invited to attend a group-based outpatient physiotherapy class starting 6 weeks after surgery. The 1-hour class will be run on a weekly basis over 6 weeks and will involve task-orientated and individualised exercises. The primary outcome will be the Lower Extremity Functional Scale at 12 months post-operative. Secondary outcomes include: quality of life, knee pain and function, depression, anxiety and satisfaction. Data collection will be by questionnaire prior to surgery and 3, 6 and 12 months after surgery and will include a resource-use questionnaire to enable a trial-based economic evaluation. Trial participation and satisfaction with the classes will be evaluated through structured telephone interviews. The primary statistical and economic analyses will be conducted on an intention-to-treat basis with and without imputation of missing data. The primary economic result will estimate the incremental cost per quality-adjusted life year gained from this intervention from a National Health Services (NHS) and personal social services perspective. Discussion: This research aims to benefit patients and the NHS by providing evidence on the long-term effectiveness and cost-effectiveness of outpatient physiotherapy after knee replacement. If the intervention is found to be effective and cost-effective, implementation into clinical practice could lead to improvement in patients’ outcomes and improved health care resource efficiency.

Improving Patients’ Experience and Outcome of Total Joint Replacement: the RESTORE Programme

BACKGROUND: Total hip replacements (THRs) and total knee replacements (TKRs) are common elective procedures. In the REsearch STudies into the ORthopaedic Experience (RESTORE) programme, we explored the care and experiences of patients with osteoarthritis after being listed for THR and TKR up to the time when an optimal outcome should be expected. OBJECTIVE: To undertake a programme of research studies to work towards improving patient outcomes after THR and TKR. METHODS: We used methodologies appropriate to research questions: systematic reviews, qualitative studies, randomised controlled trials (RCTs), feasibility studies, cohort studies and a survey. Research was supported by patient and public involvement. RESULTS: Systematic review of longitudinal studies showed that moderate to severe long-term pain affects about 7–23% of patients after THR and 10–34% after TKR. In our cohort study, 10% of patients with hip replacement and 30% with knee replacement showed no clinically or statistically significant functional improvement. In our review of pain assessment few research studies used measures to capture the incidence, character and impact of long-term pain. Qualitative studies highlighted the importance of support by health and social professionals for patients at different stages of the joint replacement pathway. Our review of longitudinal studies suggested that patients with poorer psychological health, physical function or pain before surgery had poorer long-term outcomes and may benefit from pre-surgical interventions. However, uptake of a pre-operative pain management intervention was low. Although evidence relating to patient outcomes was limited, comorbidities are common and may lead to an increased risk of adverse events, suggesting the possible value of optimising pre-operative management. The evidence base on clinical effectiveness of pre-surgical interventions, occupational therapy and physiotherapy-based rehabilitation relied on small RCTs but suggested short-term benefit. Our feasibility studies showed that definitive trials of occupational therapy before surgery and post-discharge group-based physiotherapy exercise are feasible and acceptable to patients. Randomised trial results and systematic review suggest that patients with THR should receive local anaesthetic infiltration for the management of long-term pain, but in patients receiving TKR it may not provide additional benefit to femoral nerve block. From a NHS and Personal Social Services perspective, local anaesthetic infiltration was a cost-effective treatment in primary THR. In qualitative interviews, patients and health-care professionals recognised the importance of participating in the RCTs. To support future interventions and their evaluation, we conducted a study comparing outcome measures and analysed the RCTs as cohort studies. Analyses highlighted the importance of different methods in treating and assessing hip and knee osteoarthritis. There was an inverse association between radiographic severity of osteoarthritis and pain and function in patients waiting for TKR but no association in THR. Different pain characteristics predicted long-term pain in THR and TKR. Outcomes after joint replacement should be assessed with a patient-reported outcome and a functional test. CONCLUSIONS: The RESTORE programme provides important information to guide the development of interventions to improve long-term outcomes for patients with osteoarthritis receiving THR and TKR. Issues relating to their evaluation and the assessment of patient outcomes are highlighted. Potential interventions at key times in the patient pathway were identified and deserve further study, ultimately in the context of a complex intervention.

La promotion de la saine alimentation chez des femmes à risque de développer du diabète gestationnel

L’objectif général de la thèse est d’identifier des moyens novateurs afin de promouvoir la saine alimentation, soit la consommation de fruits et légumes, chez des femmes à risque de développer du diabète gestationnel. L’Intervention Mapping a servi de cadre pour planifier les étapes nécessaires au développement de l’intervention. Pour atteindre l’objectif de la thèse, quatre projets de recherche distincts, mais complémentaires ont été réalisés. Le premier projet de recherche impliquait d’effectuer une revue systématique sur la validation des mesures auto-déclarées de l’alimentation durant la grossesse. L’objectif était de recenser les méthodes utilisées pour mesurer l’alimentation durant la grossesse et de vérifier leurs qualités psychométriques pour identifier les outils à privilégier pour évaluer l’alimentation des femmes enceintes. L’objectif du deuxième projet de recherche était de valider un court questionnaire sur la consommation de fruits et légumes chez des femmes enceintes. Le troisième projet était une recherche formative dont l’objectif était de développer le contenu d’un questionnaire utilisant l’activation des intentions pour favoriser la consommation de fruits et légumes chez des femmes à risque de développer du diabète gestationnel. L’objectif du quatrième projet de recherche était d’évaluer l’efficacité d’une intervention de type activation des intentions comparativement à un groupe contrôle utilisant l’effet question-comportement pour promouvoir la consommation de fruits et légumes chez des femmes en âge de procréer (18 à 44 ans) à risque de développer du diabète gestationnel. Il s’est avéré que l’activation des intentions et l’effet question-comportement sont des techniques efficaces pour augmenter la consommation de légumes chez des femmes en âge de procréer à risque de développer du diabète gestationnel. Ce résultat suggère que ces deux techniques peuvent être utilisées pour favoriser une alimentation saine avant le début de la grossesse afin de diminuer le risque de développer du diabète gestationnel ou du diabète de type 2 et ainsi assurer la santé de la femme et celle de son enfant. Bref, les quatre projets de recherche de la thèse ont permis de développer une intervention qui utilisait un outil validé pour mesurer la consommation de fruits et légumes, qui répondait aux besoins de la population cible et qui fut efficace pour promouvoir la saine alimentation chez des femmes à risque de développer du diabète gestationnel.

Social contact and trust: a study of a super diverse neighbourhood

This thesis presents an in-depth case study of a superdiverse neighbourhood in Glasgow where long-term white and ethnic minority communities reside alongside Roma migrants, asylum seekers and refugees, young professionals and other recent arrivals in traditional tenement housing. It focuses on the nature and extent of social contact and trust and on the role of context in shaping social relations. Employing the concepts of social milieu and intersectionality to identify social differences the research examines the relationships between five broad groupings of residents in the neighbourhood: Nostalgic Working Class, Scottish Asian, Liberal Homeowners, Kinship-sited Roma and Global Migrants. Ethnographic fieldwork was carried out in contexts within the neighbourhood, theorised as being potential sites for intergroup contact. Three types of interactions were examined: Group-based Interactions, Neighbour Interactions and Street Interactions. The data comprised documentary evidence, participant and direct observations, in-depth qualitative and walk-along interviews with residents and local organisations. Findings show that rather than individualising and isolating residents, superdiversity can stimulate community activism, yet there remains a preference for interaction within one’s own social milieu. The research has found that the concentration of poverty and material conditions has a more profound effect on social relations than historical diversity and the extent to which diversity is normalised within local discourses. Trust judgements in a superdiverse context may rely more on shared interests, moral outlook and assessments of the context rather than the extent of social contact. The quasi-private spaces of shared residential spaces and community activities can facilitate encounters with the potential to build trust, yet for this to occur cooperation through shared activities may not be sufficient. Interactions may need to move beyond co-presence and conviviality to increased understanding and empathy through dialogue. At an aggregate level, the extent to which superdiversity contributes to social contact and trust within the neighbourhood is strongly influenced by contextual factors and wider economic processes influencing housing tenure mix, private renting, property maintenance, residential churn and environmental conditions. Through examining different types of social contacts, the dynamics of trust as well as contextual influences, this thesis offers insights into the causal processes and factors that influence social relations at a local level.

Viel bringt viel? Effekte lernzeitverlängernder Maßnahmen auf die Lese- und Mathematikleistungen von Grundschülerinnen und Grundschülern mit ungünstiger Lernausgangslage

Der vorliegende Beitrag untersucht die Effekte von lernzeitverlängernden Maßnahmen für Grundschülerinnen und Grundschüler in Mecklenburg-Vorpommern mit einer ungünstigen Lernausgangslage zum Zeitpunkt der Einschulung. Dazu wurde über die gesamte Grundschulzeit hinweg die Leistungsentwicklung von 67 Kindern in den Bereichen Lesen und Rechnen erfasst. Bei 19 Kindern wurde eine Lernzeitverlängerung durch Diagnoseförderklassen (DFK) realisiert, bei 18 durch eine Klassenwiederholung (KW) und 30 Kinder lernten in regulären Grundschulklassen (GSK) ohne eine Lernzeitverlängerung. Die Auswertungen der Daten mittels Hierarchisch-linearer Modelle (HLM) weisen auf gleiche Entwicklungsverläufe der drei Untersuchungsgruppen in den Bereichen Lesen und Mathematik hin. Zum Ende der Klasse 4 erreichten die drei Gruppen ähnliche Leistungsniveaus. In allen drei Settings fiel auf, dass die Entwicklung mathematischer Kompetenzen über die Schulzeit hinweg verzögert erfolgte. Ungünstige Lernausgangslagen im Bereich Mathematik konnten den Analysen zufolge durch keine der untersuchten Beschulungsformen ausreichend kompensiert werden. (DIPF/Orig.)

Orientação profissional direcionada aos alunos do curso técnico de nível médio em agrimensura

This article is the result of the implementation of a program of professional guidance group, based on behavioral analytic principles - psychological theory that addresses human behavior in its interaction with the environment. The program was developed with the objective to assist participants in their career choice at a time of life when such behavior is required in adolescents that are not always repertoire to make such a choice. Participated in the intervention twenty-four adolescents of both sexes, aged 16 and 18, students from middle-level technical course in surveying the Federal Technological University of Paraná - Campus Pato Branco. The results were satisfactory, and at the end of the intervention participants reported greater clarity about career choice that they would from then.

Systematic review and meta-analysis of interventions relevant for young offenders with mood disorders, anxiety disorders, or self-harm

Background: Mood and anxiety disorders, and problems with self harm are significant and serious issues that are common in young people in the Criminal Justice System. Aims: To examine whether interventions relevant to young offenders with mood or anxiety disorders, or problems with self harm are effective. Method: Systematic review and meta-analysis of data from randomised controlled trials relevant to young offenders experiencing these problems. Results: An exhaustive search of the worldwide literature (published and unpublished)yielded 10 studies suitable for inclusion in this review. Meta-analysis of data from three studies (with a total population of 171 individuals) revealed that group-based Cognitive Behaviour Therapy (CBT) may help to reduce symptoms of depression in young offenders. Conclusions: These preliminary findings suggest that group-based CBT may be useful for young offenders with such mental health problems, but larger high quality RCTs are now needed to bolster the evidence-base.

Depresión en pacientes con epilepsia: Revisión sistemática de la literatura

Esta revisión sistemática de la literatura tuvo como objetivo investigar sobre la depresión en personas con epilepsia en la última década (2005-2015), enfocándose en identificar en el paciente con epilepsia: características sociodemográficas, prevalencia de la depresión, tipos de intervención para el manejo de la depresión, factores asociados con la aparición y el mantenimiento de la depresión y por último, identificar las tendencias en investigación en el estudio de la depresión en pacientes con epilepsia. Se revisaron 103 artículos publicados entre 2005 y 2015 en bases de datos especializadas. Los resultados revelaron que la prevalencia de depresión en pacientes con epilepsia es diversa y oscila en un rango amplio entre 3 y 70 %, por otro lado, que las principales características sociodemográficas asociadas a la depresión está el ser mujer, tener un estado civil soltero y tener una edad comprendida entre los 25 y los 45 años. A esto se añade, que los tratamientos conformados por terapia psicológica y fármacos, son la mejor opción para garantizar la eficacia en los resultados del manejo de la depresión en los pacientes con epilepsia. Con respecto a los factores asociados a la aparición de la depresión en pacientes con epilepsia, se identificaron causas tanto neurobiológicas como psicosociales, asimismo los factores principales asociados al mantenimiento fueron una percepción de baja calidad de vida y una baja auto-eficacia. Y finalmente los tipos de investigación más comunes son de tipo aplicado, de carácter descriptivo, transversales y de medición cuantitativa.

Cardiorespiratory fitness and cardiometabolic risk factors in schoolchildren from Colombia: The FUPRECOL Study

The objectives of this study are to investigate the association between cardiorespiratory fitness and cardiovascular risk factors in schoolchildren and to evaluate the degree of association between overall and abdominal adiposity and cardiorespiratory fitness. A total of 1,875 children and adolescents attending public schools in Bogota, Colombia (56.2% girls; age range of 9–17.9 years). A cardiovascular risk score (Z-score) was calculated and participants were divided into tertiles according to low and high levels of overall (sum of the skinfold thicknesses) and abdominal adiposity. Schoolchildren with a high level of overall adiposity demonstrated significant differences in seven of the 10 variables analyzed (i.e. systolic and diastolic blood pressure, triglycerides, triglycerides/HDL-c ratio, total cholesterol, glucose and cardiovascular risk score). Schoolchildren with high levels of both overall and abdominal adiposity and low cardiorespiratory fitness had the least favorable cardiovascular risk factors score. These findings may be relevant to health promotion in Colombian youth.

Circumplex Model to analyze the impact of emotions on decision-making processes in innovation management

Group work allows participants to pool their thoughts and examine difficulties from several angles. In these settings, it is possible to attempt things that an individual could not achieve, combining a variety of abilities and knowledge to tackle more complicated and large-scale challenges. That’s why nowadays collaborative work is becoming more and more widespread to solve complex innovation dilemmas. Since innovation isn’t a tangible thing, most innovation teams used to take decisions based on performance KPIs such as forecasted engagement, projected profitability, investments required, cultural impacts etc. Have you ever wondered the reason why sometimes innovation group processes come out with decisions which are not the optimal meeting point of all the KPIs? Has this decision been influenced by other factors? Some researchers account part of this phenomenon to the emotions in group-based interaction between participants. I will develop a literature review that is split into three parts: first, I will consider some emotions theories from an individual perspective; secondly, a wider view of collective interactions theories will be provided; lastly, I will supply some recent collective interaction empirical studies. After the theoretical and empirical gaps have been tackled, the study will additionally move forward with a methodological point of view, about the Circumplex Model, which is the model I used to evaluate emotions in my research. This model has been applied to SUGAR project, which is the biggest design thinking academy worldwide.

Physical Activity and Fitness in Children with Developmental Disorder

Introduction: Developmental coordination disorder (DCD) is a prevalent condition characterized by poor motor proficiency that interferes with a child‟s activities of daily living. Children with DCD often experience compromised health-related fitness components such as cardiorespiratory fitness (CRF). Purpose: To better understand the physical activity and fitness characteristics of children with probable DCD (pDCD), with a particular focus on CRF. Specifically: (1) to present a synopsis of current literature; (2) to determine the longitudinal trajectories of CRF; (3) to compare the submaximal CRF of children with and without pDCD. Methods: A comprehensive, systematic literature review was conducted of the recent available data on fitness and physical activity and pDCD (Chapter 2). This review provided the background for the other two studies included in this thesis. In Chapter 3, a prospective cohort design was used to assess how CRF in children with pDCD changes over time (56 months) relative to a group of typically developing controls. Using a nested-case control design, 63 subjects with pDCD and 63 matched controls from the larger sample were recruited to participate in the lab-based component of the study (Chapter 4). In this investigation CRF was examined using the oxygen cost of work (VO2) during an incremental test on a cycle ergometer. Results: The literature review showed that fitness parameters, including CRF and physical activity levels, were consistently reduced in children with pDCD. Chapter 3 demonstrated that the difference in CRF between children with pDCD and typically developing children is substantial, and that it tends to increase over time. Results from VO2 assessments showed that children with pDCD utilized more oxygen to sustain the same submaximal workloads compared to typically developing children. Conclusions: Findings from this thesis have made several important contributions to our understanding of children with pDCD. Since differences in CRF between children with and without pDCD tend to worsen over time, this adds to the argument that interventions intended to improve CRF may be appropriate for children with motor difficulties. This thesis also presented the first evidence suggesting that DCD involves higher energy expenditure, and could help explain why children with pDCD perform poorly on tasks requiring CRF.

Using Clickers to Teach Biology-Based Material in a Developmental Psychology Class

This talk will describe a study designed to assess if clicker technology during a lesson can improve learning relative to traditional lecture alone. A control group was exposed to the stages of prenatal development via traditional lecture, and an experimental group was exposed to the material via an exercise that used clickers. A pretest showed no difference before the intervention. A posttest showed that the clicker group had significant gains indicating clickers may facilitate learning of science-based material.

Developmental Brain Dysfunction: Revival and Expansion of Old Concepts Based on New Genetic Evidence

Neurodevelopmental disorders can be caused by many different genetic abnormalities that are individually rare but collectively common. Specific genetic causes, including certain copy number variants and single-gene mutations, are shared among disorders that are thought to be clinically distinct. This evidence of variability in the clinical manifestations of individual genetic variants and sharing of genetic causes among clinically distinct brain disorders is consistent with the concept of developmental brain dysfunction, a term we use to describe the abnormal brain function underlying a group of neurodevelopmental and neuropsychiatric disorders and to encompass a subset of various clinical diagnoses. Although many pathogenic genetic variants are currently thought to be variably penetrant, we hypothesise that when disorders encompassed by developmental brain dysfunction are considered as a group, the penetrance will approach 100%. The penetrance is also predicted to approach 100% when the phenotype being considered is a specific trait, such as intelligence or autistic-like social impairment, and the trait could be assessed using a continuous, quantitative measure to compare probands with non-carrier family members rather than a qualitative, dichotomous trait and comparing probands with the healthy population. Copyright 2013 Elsevier Ltd. All rights reserved.