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Research paper thumbnail of Pitfalls in pathways: Some perspectives on competing risks event history analysis in education research

Journal of Educational and Behavioral …, 2005

A set of discrete-time methods for competing risks event history analysis is presented. The appro... more A set of discrete-time methods for competing risks event history analysis is presented. The approach used is accessible to the practitioner and the article describes the strengths, weaknesses, and interpretation of both exploratory and model-based tools. These techniques are applied to the impact of “nontraditional” enrollment features (working, stopout, and delayed enrollment) on competing outcomes of sub-baccalaureate enrollment (degree attainment, transfer, and dropout). In this setting, model selection, estimation, and comparative inference are discussed and more general guidelines for each stage of analysis are provided. Substantively, the study finds that nontraditional enrollment features are associated with dramatic changes in expected outcomes.

Research paper thumbnail of Sleep continuity measured by survival curve analysis

Sleep, 2006

To develop and demonstrate the utility of measures of sleep continuity based on survival analysis... more To develop and demonstrate the utility of measures of sleep continuity based on survival analysis techniques. Retrospective. University sleep laboratory. Anonymous nocturnal polysomnograms from 10 normal subjects, 10 subjects with mild sleep disordered breathing (SDB) (apnea-hypopnea index [AHI], 15-30/hr), and 10 subjects with moderate/severe SDB (AHI > 30/hr). N/A. Hypnograms were analyzed to measure the lengths of episodes of contiguous sleep and processed using several common survival analysis techniques. Using separate survival curves for each group to describe the durations of continuous epochs of sleep (sleep run lengths), statistically significant differences were found between all groups (p < .001) as well as between the normal and mild SDB groups (p < .001), suggesting differences in the stability of sleep. Using survival regression techniques applied separately to each subject, statistically significant differences were found among all three groups (p < .001) ...

Research paper thumbnail of IEE Brief No. 28, February 2000 Pathways to Educational Attainment: Their Effects on Early Career Development

Research paper thumbnail of Multilevel Modeling

Research paper thumbnail of POPULATION RESEARCH INSTITUTE

Research paper thumbnail of Educational Outcomes of Postsecondary Occupational Students. CCRC Brief Number 22

Research paper thumbnail of Sleep fragmentation/continuity measured by survival curve analysis

Research paper thumbnail of Not Just Math and English: Courses That Pose Obstacles to Community College Completion. CCRC Working Paper No. 52

Research paper thumbnail of Increases in Dietary Fat Intake among the Framingham Heart Study Participants: Trends from 1991-2008

Research paper thumbnail of What about the non-completers?: the labor market returns to progress in community college

Research paper thumbnail of High inter-scorer reliability for sleep stage does not always indicate absence of rater effects

Research paper thumbnail of Design considerations in multilevel studies

Research paper thumbnail of Accountability and Teacher Practice: Investigating the Impact of a New State Test and the Timing of State Test Adoption on Teacher Time Use

Research paper thumbnail of Educational outcomes of postsecondary occupational students

Research paper thumbnail of Educational outcomes of occupational postsecondary students

Research paper thumbnail of The content of their coursework: Understanding course-taking patterns at community colleges by clustering student transcripts

Research paper thumbnail of The SAGE Handbook of Multilevel Modeling

Research paper thumbnail of The Choice between Fixed and Random Effects

The SAGE Handbook of Multilevel Modeling, 2013

Research paper thumbnail of Job Instability and Wages for Young Adult Men

SSRN Electronic Journal, 2000

... Mark S. Handcock Pennsylvania State University Marc A. Scott Institute on Education and the E... more ... Mark S. Handcock Pennsylvania State University Marc A. Scott Institute on Education and the Economy January 7, 1999 ... NLS for this purpose: Monks and Pizer (1998) compare two cohorts of young men and find a significant increase in job instability between 1971 and 1990. ...

Research paper thumbnail of Racial and Gender Identity Among Black Adolescent Males: An Intersectionality Perspective

Child development, Jan 3, 2014

A considerable amount of social identity research has focused on race and racial identity, while ... more A considerable amount of social identity research has focused on race and racial identity, while gender identity, particularly among Black adolescents, remains underexamined. The current study used survey data from 183 Black adolescent males (13-16 years old) to investigate the development and relation between racial and gender identity centrality and private regard, and how these identities impact adjustment over time. It was found that dimensions of racial and gender identity were strongly correlated. Levels of racial centrality increased over time while gender centrality, and racial and gender private regard declined. In addition, racial and gender identity uniquely contributed to higher levels of psychological well-being and academic adjustment. These findings are discussed within the context of existing identity theories and intersectionality theory.

Research paper thumbnail of Pitfalls in pathways: Some perspectives on competing risks event history analysis in education research

Journal of Educational and Behavioral …, 2005

A set of discrete-time methods for competing risks event history analysis is presented. The appro... more A set of discrete-time methods for competing risks event history analysis is presented. The approach used is accessible to the practitioner and the article describes the strengths, weaknesses, and interpretation of both exploratory and model-based tools. These techniques are applied to the impact of “nontraditional” enrollment features (working, stopout, and delayed enrollment) on competing outcomes of sub-baccalaureate enrollment (degree attainment, transfer, and dropout). In this setting, model selection, estimation, and comparative inference are discussed and more general guidelines for each stage of analysis are provided. Substantively, the study finds that nontraditional enrollment features are associated with dramatic changes in expected outcomes.

Research paper thumbnail of Sleep continuity measured by survival curve analysis

Sleep, 2006

To develop and demonstrate the utility of measures of sleep continuity based on survival analysis... more To develop and demonstrate the utility of measures of sleep continuity based on survival analysis techniques. Retrospective. University sleep laboratory. Anonymous nocturnal polysomnograms from 10 normal subjects, 10 subjects with mild sleep disordered breathing (SDB) (apnea-hypopnea index [AHI], 15-30/hr), and 10 subjects with moderate/severe SDB (AHI > 30/hr). N/A. Hypnograms were analyzed to measure the lengths of episodes of contiguous sleep and processed using several common survival analysis techniques. Using separate survival curves for each group to describe the durations of continuous epochs of sleep (sleep run lengths), statistically significant differences were found between all groups (p < .001) as well as between the normal and mild SDB groups (p < .001), suggesting differences in the stability of sleep. Using survival regression techniques applied separately to each subject, statistically significant differences were found among all three groups (p < .001) ...

Research paper thumbnail of IEE Brief No. 28, February 2000 Pathways to Educational Attainment: Their Effects on Early Career Development

Research paper thumbnail of Multilevel Modeling

Research paper thumbnail of POPULATION RESEARCH INSTITUTE

Research paper thumbnail of Educational Outcomes of Postsecondary Occupational Students. CCRC Brief Number 22

Research paper thumbnail of Sleep fragmentation/continuity measured by survival curve analysis

Research paper thumbnail of Not Just Math and English: Courses That Pose Obstacles to Community College Completion. CCRC Working Paper No. 52

Research paper thumbnail of Increases in Dietary Fat Intake among the Framingham Heart Study Participants: Trends from 1991-2008

Research paper thumbnail of What about the non-completers?: the labor market returns to progress in community college

Research paper thumbnail of High inter-scorer reliability for sleep stage does not always indicate absence of rater effects

Research paper thumbnail of Design considerations in multilevel studies

Research paper thumbnail of Accountability and Teacher Practice: Investigating the Impact of a New State Test and the Timing of State Test Adoption on Teacher Time Use

Research paper thumbnail of Educational outcomes of postsecondary occupational students

Research paper thumbnail of Educational outcomes of occupational postsecondary students

Research paper thumbnail of The content of their coursework: Understanding course-taking patterns at community colleges by clustering student transcripts

Research paper thumbnail of The SAGE Handbook of Multilevel Modeling

Research paper thumbnail of The Choice between Fixed and Random Effects

The SAGE Handbook of Multilevel Modeling, 2013

Research paper thumbnail of Job Instability and Wages for Young Adult Men

SSRN Electronic Journal, 2000

... Mark S. Handcock Pennsylvania State University Marc A. Scott Institute on Education and the E... more ... Mark S. Handcock Pennsylvania State University Marc A. Scott Institute on Education and the Economy January 7, 1999 ... NLS for this purpose: Monks and Pizer (1998) compare two cohorts of young men and find a significant increase in job instability between 1971 and 1990. ...

Research paper thumbnail of Racial and Gender Identity Among Black Adolescent Males: An Intersectionality Perspective

Child development, Jan 3, 2014

A considerable amount of social identity research has focused on race and racial identity, while ... more A considerable amount of social identity research has focused on race and racial identity, while gender identity, particularly among Black adolescents, remains underexamined. The current study used survey data from 183 Black adolescent males (13-16 years old) to investigate the development and relation between racial and gender identity centrality and private regard, and how these identities impact adjustment over time. It was found that dimensions of racial and gender identity were strongly correlated. Levels of racial centrality increased over time while gender centrality, and racial and gender private regard declined. In addition, racial and gender identity uniquely contributed to higher levels of psychological well-being and academic adjustment. These findings are discussed within the context of existing identity theories and intersectionality theory.

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