The commonly held view is that extremely poor health hurts educational achievement. This study examined the possibility of biases in standard estimation of effects and illustrated empirically, based on Ghanaian Living Standard of Measurement Study data, that there was not a significant effect of child health on child cognitive achievement. Consideration was given to the endogenous determination of child health. Child health was determined by anthropometry. Cognitive achievement test scores and preschool ability measured schooling success and child endowments respectively. Household and community characteristics and sibling data were used to measure family and community fixed effects. The conclusion, based on ordinary least squares (OLS) estimation and instrumental variable level estimates, was that child health did not impact on child cognitive achievement. The differences between the instrumental variable estimates and the within family and within community estimates suggested bias. Four basic conclusions were drawn. 1) Considerable bias occurred in prior studies, because there was a failure to account for estimation problems. 2) Inclusion of instrumental variables, assumed to be independent of the disturbance term in the cognitive achievement production function, and without controls for simultaneity, suggested a downward bias. 3) The bias was upward when estimates with sibling data were accounted for. Unobserved family and community effects can cause upward biases. 4) Coefficients, which are supposed to represent the impact of child health on schooling, may not do so. In the discussion of model specification, it was pointed out that upward bias can occur with heterogeneity in preferences regarding child quality, in unobserved predetermined family endowments that affect production of child quality, and in unobserved predetermined community endowments that affect child quality production. The unobserved predetermined child characteristics affect both child health and cognitive achievement in the same direction. There can be unobserved heterogeneity in access to capital markets. The 2 stage least squares procedure was found to overstate the impact of child health and cause greater distortions than OLS estimates.
Living Standards Measurement Study No. 107. Lost investment opportunities for society and the inefficient provision of public schooling are just some of the reasons why developing countries are concerned with low school completion rates. This study
This ambitious volume integrates findings from various disciplines in a comprehensive description of the modern research on love and provides a systematic review of love experience and expression from cross-cultural perspective. It explores numerous interdisciplinary topics, bringing together research in biological and social sciences to explore love, probing the cross-cultural similarities and differences in the feelings, thoughts, and expressions of love. The book’s scope, which includes a review of major theories and key research instruments, provides a comprehensive background for any reader interested in developing an enlightened understanding of the cultural diversity in the concepts, experience, and expression of love. Included among the chapters: How do people in different cultures conceptualize love? How similar and different are the experiences and expressions of love across cultures? What are the cultural factors affecting the experience and expression of love? Cross-cultural understanding of love as passion, joy, commitment, union, respect, submission, intimacy, dependency, and more. A review of the past and looking into the future of cross-cultural love research. Critical reading for our global age, Cross-Cultural Perspectives on the Experience and Expression of Love promotes a thorough understanding of cross-cultural similarities and differences in love, and in so doing is valuable not only for love scholars, emotion researchers, and social psychologists, but also for practitioners and clinicians working with multicultural couples and families. “The most striking feature of this book is the broad array of perspectives that is covered. Love is portrayed as a universally found emotion with biological underpinnings. The text expands from this core, incorporating a wide range of manifestations of love: passion, admiration of and submission to a partner, gift giving and benevolence, attachment and trust, etc. Information on each topic comes from a variety of sources, cross-culturally and interdisciplinary. The text is integrative with a focus on informational value of ideas and findings. If you take an interest in how love in its broadest sense is experienced and expressed, you will find this to be a very rich text.” Ype H. Poortinga, Tilburg University, The Netherlands & Catholic University of Leuven, Leuven, Belgium “In this wide-ranging book, Victor Karandashev expertly guides us through the dazzling complexity of our concept and experience of love. Not only does he show the many different ingredients that make up our conceptions of love in particular cultures, such as idealization of the beloved, commitment, union, intimacy, friendship, and others, he draws our attention to the bewildering array of differences between their applications in different cultural contexts, or to their presence or absence in a culture. In reading the book, we also get as a bonus an idea of how an elusive concept such as love can be scientifically studied by a variety of methodologies – all to our benefit. A masterful accomplishment.” Kövecses Zoltán, Eötvös Loránd University, Budapest, Hungary “Long considered a research purview of only a portion of the world’s cultures, we know today that love is universal albeit with many cultural differences in meaning, form, and expression. Moreover, love has a rich history of scholarship across multiple disciplines. Within this backdrop, Karandashev has compiled a remarkably comprehensive global review of how people experience and express their emotions in love. Covering the topic from a truly international and interdisciplinary perspective, this book is an indispensable source of knowledge about cultural and cross-cultural studies conducted in recent decades and is a must read for anyone interested in the universal and culturally diverse aspects of love.” David Matsumoto, San Francisco State University, Director of SFSU’s Culture and Emotion Research Laboratory
Mendelian Inheritance in Man: Catalogs of Autosomal Dominant, Autosomal Recessives, and X-Linked Phenotypes presents catalogs in connection with the genetics of the X chromosome. This book provides a catalog of dominant phenotypes and covers other entries, including anomalous hemoglobin, red cell antigenic types, leukocyte types, and serum protein types. This book begins with an overview of how to use the catalogs wherein two classes of entries have been made in each of the catalogs. This text then explains that each entry consists of three parts, namely, the preferred designation, a brief description of the phenotype with genetic information, and key references. This book discusses as well that in the case of recessives, manifestations in heterozygotes are usually listed. The reader is also introduced to the definition of dominant and recessive used in the preparation of the catalogs. This book is a valuable resource for experimental geneticists, physicians, and research workers.
Since its first edition over 60 years ago, Rockwood and Green’s Fractures in Adults has been the go-to reference for treating a wide range of fractures in adult patients. The landmark, two-volume tenth edition continues this tradition with two new international editors, a refreshed mix of contributors, and revised content throughout, bringing you fully up to date with today’s techniques and technologies for treating fractures in orthopaedics. Drs. Paul Tornetta III, William M. Ricci, Robert F. Ostrum, Michael D. McKee, Benjamin J. Ollivere, and Victor A. de Ridder lead a team of experts who ensure that the most up-to-date information is presented in a comprehensive yet easy to digest manner.
The differences between the instrumental variable estimates and the within family and within community estimates suggested bias. Four basic conclusions were drawn. 1) Considerable bias occurred in prior studies, because there was a failure to account for estimation problems. 2) Inclusion of instrumental variables, assumed to be independent of the disturbance term in the cognitive achievement production function, and without controls for simultaneity, suggested a downward bias. 3) The bias was upward when estimates with sibling data were accounted for. Unobserved family and community effects can cause upward biases. 4) Coefficients, which are supposed to represent the impact of child health on schooling, may not do so.
Living Standards Measurement Study No. 107. Lost investment opportunities for society and the inefficient provision of public schooling are just some of the reasons why developing countries are concerned with low school completion rates. This study
Living Standards Measurement Study No. 115. Estimates the incidence, characteristics, and patterns of change over time of illiteracy in Morocco. Improving the quality of information on literacy and understanding its relationship to important
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