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Research Output 2003 2020

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2013
55 Citations (Scopus)

A daily analysis of physical activity and satisfaction with life in emerging adults

Maher, J. P., Doerksen, S. E., Elavsky, S., Hyde, A. L., Pincus, A. L., Ram, N. & Conroy, D. E., Jun 1 2013, In : Health Psychology. 32, 6, p. 647-656 10 p.

Research output: Contribution to journalArticle

Self Concept
Fatigue
Mental Health
Health Behavior
Personality
72 Citations (Scopus)

Age and time-to-death trajectories of change in indicators of cognitive, sensory, physical, health, social, and self-related functions

Gerstorf, D., Ram, N., Lindenberger, U. & Smith, J., Oct 1 2013, In : Developmental psychology. 49, 10, p. 1805-1821 17 p.

Research output: Contribution to journalArticle

death
mortality
Mortality
Health
health
47 Citations (Scopus)
Emotions
Psychopathology
Respiratory Sinus Arrhythmia
Happiness
Anger
17 Citations (Scopus)

Behavioral Landscapes and Change in Behavioral Landscapes: A Multiple Time-Scale Density Distribution Approach

Ram, N., Coccia, M., Conroy, D., Lorek, A., Orland, B., Pincus, A., Sliwinski, M. & Gerstorf, D., Jan 1 2013, In : Research in Human Development. 10, 1, p. 88-110 23 p.

Research output: Contribution to journalArticle

Geography
Personality
50 Citations (Scopus)

Body mass index, change in body mass index, and survival in old and very old persons.

Dahl, A. K., Fauth, E. B., Ernsth-Bravell, M., Hassing, L. B., Ram, N. & Gerstorf, D., Jan 1 2013, In : Unknown Journal. 61, 4, p. 512-518 7 p.

Research output: Contribution to journalArticle

Body Mass Index
Survival
Mortality
Thinness
Weights and Measures
24 Citations (Scopus)

Cohorts based on decade of death: No evidence for secular trends favoring later cohorts in cognitive aging and terminal decline in the AHEAD study

Hülür, G., Infurna, F. J., Ram, N. & Gerstorf, D., Aug 13 2013, In : Psychology and aging. 28, 1, p. 115-127 13 p.

Research output: Contribution to journalArticle

Episodic Memory
Mortality
Parturition
Education
Health
17 Citations (Scopus)

Disentangling the effects of genetic, prenatal and parenting influences on children's cortisol variability

Marceau, K., Ram, N., Neiderhiser, J. M., Laurent, H. K., Shaw, D. S., Fisher, P., Natsuaki, M. N. & Leve, L. D., Oct 21 2013, In : Stress. 16, 6, p. 607-615 9 p.

Research output: Contribution to journalArticle

Parenting
Hydrocortisone
Fathers
Mothers
Parturition
15 Citations (Scopus)

Exploratory Latent Growth Models in the Structural Equation Modeling Framework

Grimm, K. J., Steele, J. S., Ram, N. & Nesselroade, J. R., Oct 1 2013, In : Structural Equation Modeling. 20, 4, p. 568-591 24 p.

Research output: Contribution to journalArticle

Structural Equation Modeling
Model Fitting
Growth Model
Modeling
Growth Curve
43 Citations (Scopus)

Inquiry into terminal decline: Five objectives for future study

Gerstorf, D. & Ram, N., Oct 1 2013, In : Gerontologist. 53, 5, p. 727-737 11 p.

Research output: Contribution to journalArticle

Research
History
Pathology
Mortality
47 Citations (Scopus)

Level and change in perceived control predict 19-year mortality: Findings from the americans' changing lives study

Infurna, F. J., Ram, N. & Gerstorf, D., Oct 1 2013, In : Developmental psychology. 49, 10, p. 1833-1847 15 p.

Research output: Contribution to journalArticle

mortality
Mortality
Health
Survival
old age
21 Citations (Scopus)

Multidomain trajectories of psychological functioning in old age: A longitudinal perspective on (uneven) successful aging

Morack, J., Ram, N., Fauth, E. B. & Gerstorf, D., Dec 1 2013, In : Developmental psychology. 49, 12, p. 2309-2324 16 p.

Research output: Contribution to journalArticle

old age
Psychology
Group
social function
Human Development
39 Citations (Scopus)

Pathological narcissism and interpersonal behavior in daily life

Roche, M. J., Pincus, A. L., Conroy, D. E., Hyde, A. L. & Ram, N., Oct 1 2013, In : Personality Disorders: Theory, Research, and Treatment. 4, 4, p. 315-323 9 p.

Research output: Contribution to journalArticle

Narcissism
Individuality
Personality
Pathology
Students
17 Citations (Scopus)

The nature and correlates of change in depressive symptoms with cancer diagnosis: Reaction and adaptation

Infurna, F. J., Gerstorf, D. & Ram, N., Aug 13 2013, In : Psychology and aging. 28, 2, p. 386-401 16 p.

Research output: Contribution to journalArticle

Depression
Neoplasms
Mortality
Retirement
Health Resources
10 Citations (Scopus)

Trajectories and personality correlates of change in perceptions of physical and mental health across adulthood and old age

Morack, J., Infurna, F. J., Ram, N. & Gerstorf, D., Nov 2013, In : International Journal of Behavioral Development. 37, 6, p. 475-484 10 p.

Research output: Contribution to journalArticle

Diagnostic Self Evaluation
old age
adulthood
Personality
Mental Health
27 Citations (Scopus)
Narcissism
Social Adjustment
Longitudinal Studies
Students
Research
2012
37 Citations (Scopus)
Social Support
Cognition
social support
disability
Demography
41 Citations (Scopus)

Leisure activities, the social weekend, and alcohol use: Evidence from a daily study of first-year college students

Finlay, A. K., Ram, N., Maggs, J. L. & Caldwell, L. L., Mar 2012, In : Journal of studies on alcohol and drugs. 73, 2, p. 250-259 10 p.

Research output: Contribution to journalArticle

weekend
Leisure Activities
alcohol
Alcohols
Students
63 Citations (Scopus)

Taking a "Peak" at Leisure Travelers' Positive Emotions

Mitas, O., Yarnal, C., Adams, Jr., R. & Ram, N., Mar 1 2012, In : Leisure Sciences. 34, 2, p. 115-135 21 p.

Research output: Contribution to journalArticle

emotion
travel
experience
Leisure
Travellers
2011
23 Citations (Scopus)

Body image and first sexual intercourse in late adolescence

Vasilenko, S. A., Ram, N. & Lefkowitz, E. S., Apr 1 2011, In : Journal of Adolescence. 34, 2, p. 327-335 9 p.

Research output: Contribution to journalArticle

Body Image
Coitus
Students
Sexual Behavior
Hispanic Americans
64 Citations (Scopus)

Cohort Differences in Cognitive Aging and Terminal Decline in the Seattle Longitudinal Study

Gerstorf, D., Ram, N., Hoppmann, C., Willis, S. L. & Schaie, K. W., Jul 1 2011, In : Developmental psychology. 47, 4, p. 1026-1041 16 p.

Research output: Contribution to journalArticle

Longitudinal Studies
longitudinal study
Aptitude
Mortality
mortality
17 Citations (Scopus)
Variance Decomposition
Smoking
Research Personnel
Physiological Phenomena
Self-efficacy
42 Citations (Scopus)

Developmental Change and Intraindividual Variability: Relating Cognitive Aging to Cognitive Plasticity, Cardiovascular Lability, and Emotional Diversity

Ram, N., Gerstorf, D., Lindenberger, U. & Smith, J., Jun 1 2011, In : Psychology and aging. 26, 2, p. 363-371 9 p.

Research output: Contribution to journalArticle

Berlin
Longitudinal Studies
Cognitive Aging
461 Citations (Scopus)

Emotional Experience Improves With Age: Evidence Based on Over 10 Years of Experience Sampling

Carstensen, L. L., Turan, B., Scheibe, S., Ram, N., Ersner-Hershfield, H., Samanez-Larkin, G. R., Brooks, K. P. & Nesselroade, J. R., Mar 1 2011, In : Psychology and aging. 26, 1, p. 21-33 13 p.

Research output: Contribution to journalArticle

Emotions
Personality
Demography
Mortality
Health
22 Citations (Scopus)

Factors impacting volumetric white matter changes following whole brain radiation therapy

Szerlip, N., Rutter, C., Ram, N., Yovino, S., Kwok, Y., Maggio, W. & Regine, W. F., May 1 2011, In : Journal of Neuro-Oncology. 103, 1, p. 111-119 9 p.

Research output: Contribution to journalArticle

Radiotherapy
Brain
Hyperglycemia
Multivariate Analysis
White Matter
109 Citations (Scopus)

Individual Differences in Boys' and Girls' Timing and Tempo of Puberty: Modeling Development With Nonlinear Growth Models

Marceau, K., Ram, N., Houts, R. M., Grimm, K. J. & Susman, E. J., Sep 1 2011, In : Developmental psychology. 47, 5, p. 1389-1409 21 p.

Research output: Contribution to journalArticle

puberty
Nonlinear Dynamics
Puberty
Individuality
Psychology
64 Citations (Scopus)

Long-Term Antecedents and Outcomes of Perceived Control

Infurna, F. J., Gerstorf, D., Ram, N., Schupp, J. & Wagner, G. G., Sep 1 2011, In : Psychology and aging. 26, 3, p. 559-575 17 p.

Research output: Contribution to journalArticle

Social Participation
Health
Mortality
Survival Analysis
Economics
123 Citations (Scopus)

Nonlinear growth curves in developmental research

Grimm, K. J., Ram, N. & Hamagami, F., Sep 1 2011, In : Child development. 82, 5, p. 1357-1371 15 p.

Research output: Contribution to journalArticle

Growth
Research
non-linear model
Nonlinear Dynamics
adulthood
32 Citations (Scopus)

The storm and stress (or calm) of early adolescent self-concepts: Within- and between-subjects variability

Molloy, L. E., Ram, N. & Gest, S. D., Nov 1 2011, In : Developmental psychology. 47, 6, p. 1589-1607 19 p.

Research output: Contribution to journalArticle

self-concept
Self Concept
adolescent
Social Adjustment
Mental Competency
26 Citations (Scopus)
Emotions
Exercise
Sleep
Students
2010
40 Citations (Scopus)

Aging, disablement, and dying: Using time-as-process and time-as-resources metrics to chart late-life change

Ram, N., Gerstorf, D., Fauth, E., Zarit, S. & Malmberg, B., Jan 2010, In : Research in Human Development. 7, 1, p. 27-44 18 p.

Research output: Contribution to journalArticle

Growth
82 Citations (Scopus)
Causality
Magnetic Resonance Imaging
Brain
Automatic Data Processing
130 Citations (Scopus)

Late-life decline in well-being across adulthood in germany, the united kingdom, and the united states: Something is seriously wrong at the end of life

Gerstorf, D., Ram, N., Mayraz, G., Hidajat, M., Lindenberger, U., Wagner, G. G. & Schupp, J., Jun 2010, In : Psychology and aging. 25, 2, p. 477-485 9 p.

Research output: Contribution to journalArticle

Germany
Psychology
Mortality
United Kingdom
32 Citations (Scopus)

Nonlinear Structured Growth Mixture Models in Mplus and OpenMx

Grimm, K. J., Ram, N. & Estabrook, R., Nov 1 2010, In : Multivariate Behavioral Research. 45, 6, p. 887-909 23 p.

Research output: Contribution to journalArticle

Growth Model
Mixture Model
Growth
Latent Class
Statistical Models
29 Citations (Scopus)

Where people live and die makes a difference: Individual and geographic disparities in well-being progression at the end of life

Gerstorf, D., Ram, N., Goebel, J., Schupp, J., Lindenberger, U. & Wagner, G. G., Sep 1 2010, In : Psychology and aging. 25, 3, p. 661-676 16 p.

Research output: Contribution to journalArticle

Individuality
Psychology
Economics
Education
Growth
2009
61 Citations (Scopus)

Analyzing Developmental Processes on an Individual Level Using Nonstationary Time Series Modeling

Molenaar, P. C. M., Sinclair, K. O., Rovine, M. J., Ram, N. & Corneal, S. E., Jan 1 2009, In : Developmental psychology. 45, 1, p. 260-271 12 p.

Research output: Contribution to journalArticle

time series
Statistical Models
Nuclear Family
father
Fathers
10 Citations (Scopus)

Introduction to the Special Section on Intraindividual Variability and Aging

Ram, N., Lindenberger, U. & Blanchard-Fields, F., Dec 1 2009, In : Psychology and aging. 24, 4, p. 775-777 3 p.

Research output: Contribution to journalArticle

213 Citations (Scopus)

Time-Structured and Net Intraindividual Variability: Tools for Examining the Development of Dynamic Characteristics and Processes

Ram, N. & Gerstorf, D., Dec 1 2009, In : Psychology and aging. 24, 4, p. 778-791 14 p.

Research output: Contribution to journalArticle

Noise
Research Design
2008
113 Citations (Scopus)

Decline in Life Satisfaction in Old Age: Longitudinal Evidence for Links to Distance-to-Death

Gerstorf, D., Ram, N., Röcke, C., Lindenberger, U. & Smith, J., Mar 1 2008, In : Psychology and aging. 23, 1, p. 154-168 15 p.

Research output: Contribution to journalArticle

Mortality
Berlin
Cognition
Dementia
Comorbidity
111 Citations (Scopus)

Life Satisfaction Shows Terminal Decline in Old Age: Longitudinal Evidence From the German Socio-Economic Panel Study (SOEP)

Gerstorf, D., Ram, N., Estabrook, R., Schupp, J., Wagner, G. G. & Lindenberger, U., Jul 1 2008, In : Developmental psychology. 44, 4, p. 1148-1159 12 p.

Research output: Contribution to journalArticle

SOEP
old age
Economics
dying
evidence
5 Citations (Scopus)

Use of satiation therapy in the treatment of adolescent-manifest sexual interest in male children: A single-case, repeated measures design

Hunter, J. A., Ram, N. & Ryback, R., Feb 1 2008, In : Clinical Case Studies. 7, 1, p. 54-74 21 p.

Research output: Contribution to journalArticle

Satiation
Fantasy
Therapeutics
Acting Out
Residential Treatment
2007
39 Citations (Scopus)

A comparison of modelling and imagery in the acquisition and retention of motor skills

Ram, N., Riggs, S. M., Skaling, S., Landers, D. M. & McCullagh, P., Mar 1 2007, In : Journal of Sports Sciences. 25, 5, p. 587-597 11 p.

Research output: Contribution to journalArticle

Motor Skills
Imagery (Psychotherapy)
Weight Lifting
Research Personnel
100 Citations (Scopus)

Acorn mast drives long-term dynamics of rodent and songbird populations

Clotfelter, E. D., Pedersen, A. B., Cranford, J. A., Ram, N., Snajdr, E. A., Nolan, V. & Ketterson, E. D., Dec 1 2007, In : Oecologia. 154, 3, p. 493-503 11 p.

Research output: Contribution to journalArticle

songbird
songbirds
Junco hyemalis
rodent
rodents
158 Citations (Scopus)

Using simple and complex growth models to articulate developmental change: Matching theory to method

Ram, N. & Grimm, K., Jul 2007, In : International Journal of Behavioral Development. 31, 4, p. 303-316 14 p.

Research output: Contribution to journalArticle

Software
hypothesis testing
Growth
flexibility
software
2005
71 Citations (Scopus)

Cognitive performance inconsistency: Intraindividual change and variability

Ram, N., Stollery, B., Rabbitt, P. & Nesselroade, J. R., Dec 1 2005, In : Psychology and aging. 20, 4, p. 623-633 11 p.

Research output: Contribution to journalArticle

Intelligence
Aptitude
Practice (Psychology)
Recognition (Psychology)
111 Citations (Scopus)

Emotion as a thermostat: Representing emotion regulation using a damped oscillator model

Chow, S. M., Ram, N., Fujita, F., Boker, S. M. & Clore, G., Jun 1 2005, In : Emotion. 5, 2, p. 208-225 18 p.

Research output: Contribution to journalArticle

Emotions
Aptitude
Periodicity
Individuality
Students
29 Citations (Scopus)

Examining interindividual differences in cyclicity of pleasant and unpleasant affects using spectral analysis and item response modeling

Ram, N., Chow, S. Y. M., Bowles, R. P., Wang, L., Grimm, K., Fujita, F. & Nesselroade, J. R., Dec 1 2005, In : Psychometrika. 70, 4, p. 773-790 18 p.

Research output: Contribution to journalArticle

Cyclicity
Periodicity
Spectral Analysis
Spectrum analysis
Emotions
2004
36 Citations (Scopus)

Race, ethnicity, and sexual orientation: Still a void in sport and exercise psychology?

Ram, N., Starek, J. & Johnson, J., Jun 2004, In : Journal of Sport and Exercise Psychology. 26, 2, p. 250-268 19 p.

Research output: Contribution to journalArticle

Sexual Behavior
Exercise
Manuscripts
Sociology
Cognition
2003
27 Citations (Scopus)

Self-modeling: Influence on psychological responses and physical performance

Ram, N. & McCullagh, P., Jan 1 2003, In : Sport Psychologist. 17, 2, p. 220-241 22 p.

Research output: Contribution to journalArticle

Self Efficacy
Volleyball
Psychology
Sports
Motivation