Problems of Longitudinal Studies with Children: Practical, Conceptual, and Methodological Issues

1989 ◽  
pp. 313-335 ◽  
1984 ◽  
Vol 18 (3) ◽  
pp. 767-781
Author(s):  
Ina Rosenthal-Urey

This article discusses the methodological issues in the study of Mexican migration initiated by Cornelius and others in a recent issue of this journal (1982). It addresses two problems: the need to locate strategic regions in Mexico before field-work is begun; and the need to develop techniques for longitudinal studies of migration networks.


2017 ◽  
Vol 48 (1) ◽  
pp. 1-10 ◽  
Author(s):  
S. Woodhouse ◽  
A. Miah ◽  
M. Rutter

The main focus is on the assessment of the effects of early institutional care and compares three longitudinal studies from Romania, Greece and Hong Kong/China. The findings have been strikingly contrasting. The review asks if the risks are dependent on whether or not the institutional rearing is accompanied by gross pervasive deprivation (as it was in Romania) and investigates the methodological issues to explore the causal influence of the outcomes. Evidence is considered on changing institutional practices and the benefits of doing so. Comparison is made between institutions with major deprivation and those without global deprivation. A small number of studies are discussed that look at direct comparisons between institutional and community care. The empirical and conceptual implications of the findings are discussed.


Author(s):  
Daniel Davis ◽  
Sarah Richardson ◽  
Esteban Sepulveda

Delirium is a common and severe neuropsychiatric syndrome of brain dysfunction characterized by acute and fluctuating inattention and other cognitive and perceptual deficits precipitated by acute illness. Despite being first described by Hippocrates more than two thousand years ago, there exists considerable uncertainty regarding the diagnosis of delirium due to our limited understanding of fundamental concepts, including its definition and pathophysiology. The ensuing lack of standardization results in delirium being frequently undiagnosed and significant misclassification bias in existing research. This chapter discusses the descriptive epidemiology of delirium, including methodological issues around case ascertainment in different population and clinical settings. There remains a lack of epidemiological research in the field, but we indicate the potential for observational longitudinal studies to address key questions on the population impact of delirium alongside fundamental questions of major importance to patients and their families regarding outcomes after delirium.


2018 ◽  
Vol 680 (1) ◽  
pp. 193-212 ◽  
Author(s):  
Douglas A. Wolf

The Panel Study of Income Dynamics (PSID) has, over its 50-year history, proven to be a useful source of data for research on virtually all the major topics in the area of social gerontology. This usefulness reflects three of the leading features of the PSID: its longitudinality; its content; and its tracking rules, which permit users to develop family-based and generationally linked measures. This article summarizes key areas of survey content, including both routinely collected data and several one-time or occasional supplements to the routine items. The article also illustrates how these data elements have been used, providing examples of published papers in several areas of social gerontology. Finally, the article points out some methodological issues associated with the PSID design; these methodological issues arise, in varying degrees, in longitudinal studies other than the PSID, and should be acknowledged by both the producers and consumers of longitudinal-data research.


2019 ◽  
Vol 80 (1) ◽  
pp. 163-185 ◽  
Author(s):  
Lillian M. Audette ◽  
Marie S. Hammond ◽  
Natalie K. Rochester

Longitudinal studies are commonly used in the social and behavioral sciences to answer a wide variety of research questions. Longitudinal researchers often collect data anonymously from participants when studying sensitive topics to ensure that accurate information is provided. One difficulty gathering longitudinal anonymous data is that of correctly matching participants across waves of data collection. A number of methods have been proposed for using nonidentifying codes to match anonymous participants; however, currently there is no consensus on the most effective method. This article reviews and analyzes the literature on nonidentifying codes and provides recommendations for researchers interested in using these types of codes in conducting anonymous longitudinal studies.


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