Wolf, Sharon
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Publication Measuring and predicting process quality in Ghanaian pre-primary classrooms using the Teacher Instructional Practices and Processes System (TIPPS)(2018-06-28) Wolf, Sharon; Raza, Mahjabeen; Kim, Sharon; Aber, J. Lawrence; Behrman, Jere R; Seidman, EdwardIn recent years, there has been an increase in the demand for and supply of early childhood education (ECE) in low- and middle-income countries. There is also growing awareness that unless ECE is of high quality, children may attend school but not learn. There is a large literature on the conceptualization and measurement of ECE quality in the United States that focuses on the nature of teacher-child interactions. Efforts to expand access to high quality ECE in low- and middle-income countries will require similar measurement efforts that are theoretically-grounded and culturally-adapted. This paper assesses the factor structure and concurrent validity of an observational classroom quality tool to assess teacher-child interactions—the Teacher Instructional Practices and Processes System© (TIPPS; Author, 2013b; 2017)—in Ghanaian pre-primary classrooms. We find evidence of three conceptually distinct, but empirically correlated, domains of quality: Facilitating Deeper Learning (FDL), Supporting Student Expression (SSE), and Emotional Support and Behavior Management (ESBM). Teachers’ schooling level, training in early childhood development, and professional well-being positively predict the three quality domains in different ways. SSE and ESBM predict classroom end-of-the-school-year academic outcomes, and SSE predicts classroom end-of-the-school-year social-emotional outcomes. Implications for the field of international education and global ECE policy and research are discussed.Publication Household food insecurity and early childhood development: Longitudinal evidence from Ghana(2020-04-03) Aurino, Elisabetta; Wolf, Sharon; Tsinigo, EdwardThe burden of food insecurity is large in Sub-Saharan Africa, yet the evidence-base on the relation between household food insecurity and early child development is extremely limited. Furthermore, available research mostly relies on cross-sectional data, limiting the quality of existing evidence. We use longitudinal data on preschool-aged children and their households in Ghana to investigate how being in a food insecure household was associated with early child development outcomes across three years. Household food insecurity was measured over three years using the Household Hunger Score. Households were first classified as “ever food insecure” if they were food insecure at any round. We also assessed persistence of household food insecurity by classifying households into three categories: (i) never food insecure; (ii) transitory food insecurity, if the household was food insecure only in one wave; and (iii) persistent food insecurity, if the household was food insecure in two or all waves. Child development was assessed across literacy, numeracy, social-emotional, short-term memory, and self-regulation domains. Controlling for baseline values of each respective outcome and child and household characteristics, children from ever food insecure households had lower literacy, numeracy and short-term memory. When we distinguished between transitory and persistent food insecurity, transitory spells of food insecurity predicted decreased numeracy (β = -0.176, 95% CI: -0.317; -0.035), short-term memory (β = -0.237, 95% CI: -0.382; -0.092), and self-regulation (β = -0.154, 95% CI: -0.326; 0.017) compared with children from never food insecure households. By contrast, children residing in persistently food insecure households had lower literacy scores (β = -0.243, 95% CI: -0.496; 0.009). No gender differences were detected. Results were broadly robust to the inclusion of additional controls. This novel evidence from a Sub-Saharan African country highlights the need for multi-sectoral approaches including social protection and nutrition to support early child development.Publication Impacts of Pre-Service Training and Coaching on Kindergarten Quality and Student Learning Outcomes in Ghana(2018-05-18) Wolf, SharonUsing a randomized-control trial, this study evaluates a program designed to support Ghanaian kindergarten student-teachers during pre-service training through mentorship and in-classroom training. Several potential barriers to improved teaching quality and learning outcomes are examined. Findings show that the program improved knowledge and implementation of the national curriculum for individuals both when they were student-teachers and, the following year, when they became newly qualified teachers (NQTs). There were mixed impacts on professional well-being, increasing personal accomplishment and motivation but decreasing job satisfaction for NQTs. There were mixed impacts on teaching quality, with increases in child-led learning but decreases in some other aspects of quality. There were no impacts on NQTs’ student learning outcomes. The findings highlight system level challenges with both the posting of NQTs and the absence of support in their first teaching year. Implications for global early childhood education policy and teacher education are discussed.Publication Year 3 Follow-up of the ‘Quality Preschool for Ghana’ Interventions on Child Development(2019-10-28) Wolf, SharonGovernments around the world are increasing investments in early childhood education as a way to promote children’s learning and development. As research grows on the longer-term effects of early educational programs, some have hypothesized that sustained impacts may depend on the quality of children’s subsequent classroom environments and may be more likely to occur in certain nonacademic domains. This study is the first to examine these questions in sub-Saharan Africa, using longitudinal data from a school-randomized trial in Ghana. A 1-year teacher-training and coaching program, delivered with (TTPA) and without (TT) parental-awareness meetings, was implemented when children were enrolled in 1 of 2 grades of preprimary school. Previous studies showed that in Year 1, the implementation year, the TT treatment had positive impacts on children’s literacy, numeracy, and social-emotional development, while the TTPA treatment yielded no positive impacts for children in both grades. In this study, I examine impacts in Year 3, at the end of children’s 1st or 2nd year of primary school. I find persistent positive impacts of TT on literacy, and new negative impacts of TTPA on numeracy, but these depend on levels of classroom emotional support and teacher burnout in primary school. In addition, there were small persistent impacts of both treatments on children’s executive function, and these were not conditional on subsequent classroom environments.Publication Screening Child Social-emotional and Behavioral Functioning in Low-Income African Country Contexts(2016-11-21) Nakigudde, Janet; Bauta, Besa; Wolf, Sharon; Huang, Keng-YenBackground: children in low-income countries (LICs). Currently, there is little information available on the use of brief screening instruments Increased attention is being paid to identifying and responding to the social-emotional and behavioral needs of in LICs. The lack of psychometrically sound brief assessment tools creates a challenge in determining the population prevalence of child social-emotional and behavioral risk burden in Sub-Saharan African (SSA) country contexts. This study sought to determine the reliability and validity of three brief parent-rated screening tools-the Social Competence Scale (SCS), Pictorial Pediatric Symptom Checklist (PPSC), and the Strengths and Difficulties Questionnaire (SDQ)-in Uganda. These tools consider both strength- and pathology-based dimensions of child outcomes. Methods: Parents of 154 Ugandan 5-9 year-old children who were enrolled in Nursery to Primary 3 in Kampala (the capital city of Uganda) and part of a school-based mental health intervention trial were recruited and interviewed. About 54% of parents had educational attainment of primary school level or less. One hundred and one of these parents were interviewed a second time, about 5 months after the first/baseline assessment. Data from both time points were utilized to assess reliability and validity. Results: Inspection of psychometric properties supports the utility of these three brief screening measures to assess children's social-emotional and behavioral functioning as demonstrated by adequate internal consistency, temporal stability, discriminant validity, concurrent validity, and predictive validity. Subscales from three screening measures were inter-related and associated with family characteristics, such as parental depression and food insecurity, in the expected directions. Conclusion: This study provides evidence supporting the appropriateness of using three tools and applying the developmental and behavioral constructs measured in each assessment in a low-income African setting.Publication Are Private Kindergartens Really Better? Examining Preschool Choices, Parental Resources, and Children’s School Readiness in Ghana(2020-01-16) Pesando, Luca; Wolf, Sharon; Behrman, Jere H.; Tsinigo, EdwardLow-cost private schools are expanding across sub-Saharan Africa and are often perceived by parents to be of better quality than public schools. This article assesses the interplay between kindergarten (or preschool) choice, household resources, and children’s school readiness in Ghana. We examine how child, household, and school characteristics predict private versus public kindergarten attendance and whether household characteristics are associated with school readiness beyond preschool selection. Using a geospatial-identification strategy to account for observed and unobserved determinants of preschool choice, we find that parental investments—including number of books at home and caregiver help with homework—predict both private-preschool selection and start-of-year child outcomes beyond their influence on preschool choice. We take this evidence as suggesting that investments in children support learning beyond simply selecting the presumed best preschool type. We also find independent associations between attending private preschool and one-year changes in early literacy scores. The findings contribute knowledge to the literature on the recent expansion of preschool education in sub-Saharan Africa and globally and shed new light on the role of private-preschool attendance in early academic skill development.Publication Changes in Classroom Quality Predict Ghanaian Preschoolers’ Gains in Academic and Social-Emotional Skills(2018-08-01) McCoy, Dana; Wolf, SharonRates of participation in early childhood education (ECE) programs are on the rise globally, including in sub-Saharan Africa. Yet little evidence exists on the quality of these programs and on the role of classroom quality in predicting learning for young children across diverse contexts. This study uses data from the Greater Accra Region of Ghana (N = 3,407; Mage = 5.8 years; 49.5% female) to examine how changes in four culturally-validated dimensions of ECE classroom quality predict children’s growth in early academic and social-emotional skills from the beginning to the end of one academic year. We find that improvements in domains of classroom instructional quality are related to small, positive gains in children’s early academic and social-emotional outcomes over the school year, and that these improvements are generally larger for children and classrooms with higher baseline proficiency and quality levels. Associations between changes in social-emotional aspects of classroom quality and child outcomes were mixed. These results extend the knowledge base on ECE quality to a new and under-represented context while also providing important information regarding the contexts and children for whom teacher training and other quality-focused improvement efforts may be most needed.Publication A dimensional risk approach to assessing early adversity in a national sample(2019-05-03) Wolf, Sharon; Suntheimer, NoelleWe examine how incidence and accumulation of two domains of risk factors—deprivation and threat of harm—predict early childhood development, testing a framework put forth by McLaughlin and Sheridan (2016). Using the ECLSK: 11 (N = 18,200, M = 5.6 years; 48.7% female), a nationally representative sample of kindergarteners, we consider behavioral and cognitive indicators that represent different learning processes. We find partial support for the hypothesis that deprivation (but not threat) risks predict higher-order learning outcomes, with both incidence and accumulation of risk negatively predicting reading scores but mixed associations for executive function outcomes. We find support that incidence of threat (but not deprivation) risks negatively predict emotional and behavioral outcomes as hypothesized. When modeled cumulatively, however, both deprivation and threat risks predict behavioral outcomes. Finally, in line with hypothesized processes, both deprivation and threat risks negatively predict math scores, which represent pattern-learning processes. Implications for research in childhood adversity are discussed.Publication Changing trajectories of learning and development: experimental evidence from the Quality Preschool for Ghana interventions(2020-03-25) Wolf, Sharon; Peele, MorganWe examined how exposure to two intervention programmes designed to improve the quality of pre-primary education in Ghana—the Quality Preschool for Ghana project—impacted children’s rate of growth in academic (literacy and numeracy) and non-academic skills (social–emotional and executive function) across two school years. This cluster-randomised trial included 240 schools (N = 3,345 children, Mage = 5.2 at baseline) randomly assigned to one of three conditions: teacher training (TT), teacher training plus parental-awareness meetings (TTPA), and control. We found some evidence that the interventions altered children’s rate of growth in academic and non-academic skills for the full sample, and one unexpected finding: TTPA had negative impacts on growth in numeracy skills. When examined by grade level and gender, TT improved trajectories of younger children, and the negative effects of TTPA on numeracy were driven by boys. Implications are discussed in the context of global early childhood education policy, and teacher professional development and parental engagement programmes.Publication Economic Instability, Food Insecurity, and Child Health in the Wake of the Great Recession(2017-09-01) Wolf, Sharon; Morrissey, TarynAlthough there is a wealth of research on the relationship between income level and employment status and child well-being, the relationship between economic instability and health during early childhood is understudied. We examine the associations between the incidence, accumulation, and timing of intrayear employment and income instability with household and child food insecurity and child health using a nationally representative sample of households. The sample includes children age 3–5 from households in the 2008 Survey of Income and Program Participation (N = 5,056). We find that young children’s households experience high levels of both income and employment instability. Both the incidence and the accumulation of instability predict poorer child outcomes, more recent instability is more strongly associated with child outcomes, and these relations are stronger for children with less educated parents. Employment and income changes have separate, unique associations with each outcome and operate in somewhat different ways.