What Can We Learn from the Study of Twins? : An Evaluation of the Equal Environments Assumption
Jacob. Felson
Bok Engelsk 2012 · Electronic books.
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| Utgitt | Lewiston : : The Edwin Mellen Press, , 2012.
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| Omfang | 1 online resource (158 p.)
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| Opplysninger | Description based upon print version of record.. - Title Page; Copyright Information; Table of Contents; List of Tables; List of Figures; Abstract; Foreword; Acknowledgments; Chapter 1: Introduction; 1.1: Plan for the book; 1.2: Estimating the effects of genes on variation in traits with twin studies; 1.3 Estimating heritability; 1.4 Evaluating the twin study as a natural experiement; Chapter 2: Literature Review; 2.1 Earliest Studies establish that MZ twins experience more smiliar environments that DZ Twins; 2.1.1 Review and reanalysis of Wilson (1934); 2.1.2 Early Study comparing MZ and DZ twins by Mowrer (1954). - 2.1.3 Other Studies conducted prior to 19602.2Early Studies examingin whether genetic effects are confounded with environmental effects in twin studies; 2.2.1 Scarr(1968 ); 2.2.2. Matheny et al. (1976); 2.2.3 Landmark twin study of Loehlin and Nichols (1976); 2.2.4 Lytton (1977); 2.2.5 Scarr and Carter-Saltzman (1979); 2.3 Recent studies of the equal environments assumption; 2.4 Studies of adopted children and studies of twins reared apart; Chapter 3: Data; 3.1 Measures; 3.1.1 Outcome measures; 3.2.1 Measures of environmental similarity; 3.1.3 Measure of zygosity. - 3.1.4 Other control variables3.2 Handling missing data; Chapter 4: Methods; 4.1 Comparisons of means and variances by zygosity; 4.2 Examining measures of environmental similarity; 4.3 Absolute value regressions; 4.4 Defries-Fulker regressions; 4.5 Propensity score matching; 4.6 Why propensity score matching?; Chapter 5: Results; 5.1 Comparisons of means and variances by zygosity; 5.2 Examining measures of environmental similarity; 5.3 Absolute value regressions; 5.4 Defries-Fulker regressions; 5.5 Propensity score matching; 5.6 Effects of matching estimates on heritability. - Chapter 6: ConclusionBibliography; Index. - Most evidence about genetic behavior comes from twin studies. The presumption is that this enables an equal environment assumption (EEA). This book argues that the validity of the EEA argument is not as strong as some behavior geneticists have claimed. Felson conducts the most comprehensive evaluation of the EEA to date. His analysis incorporates a larger more diverse set of outcome variables than any previous research on the subject. He generates estimates of genetic influence with and without controls for environmental similarity. This shows the extent of EEA violation in a straightforward m
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| Emner | Analytical, Diagnostic and Therapeutic Techniques and Equipment
Anthropology, Education, Sociology and Social Phenomena Behavioral Disciplines and Activities Behavioral Sciences Vis mer... Biological Science Disciplines
Biology Disciplines and Occupations Environment and Public Health Epidemiologic Methods Epidemiologic Study Characteristics as Topic Genetics Genetics, Behavioral Health Care Health Care Evaluation Mechanisms Health Care Quality, Access, and Evaluation Investigative Techniques Multiple Birth Offspring Named Groups Natural Science Disciplines Persons Phenomena and Processes Pregnancy Pregnancy, Multiple Psychiatry and Psychology Public Health Quality of Health Care Reproduction Reproductive Physiological Phenomena Reproductive Physiological Processes Reproductive and Urinary Physiological Phenomena Social Environment Sociology Twin Studies as Topic Nature and nurture. Twins. Psychology Social Sciences tvillinger tvillingstudier barn erfaringer |
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| ISBN | 9780773429079
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