Quantitative Developmental Systems Methodology Core

  • United States

Research Output 2003 2020

2010
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
10 Citations (Scopus)

Advances in dynamic factor analysis of psychological processes

Molenaar, P. & Ram, N., Dec 1 2009, Dynamic Process Methodology in the Social and Developmental Sciences. Springer US, p. 255-268 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Statistical Factor Analysis
Psychology
Population
Personality Tests
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
4 Citations (Scopus)

Between-person disparities in the progression of late-life well-being

Gerstorf, D., Ram, N., Fauth, E., Schupp, J. & Wagner, G. G., 2009, In : Annual Review of Gerontology and Geriatrics. 29, 1, p. 205-232 28 p.

Research output: Contribution to journalReview article

well-being
human being
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

16 Citations (Scopus)

Limitations on the importance of self-regulation in old age: Commentary on Freund, Nikitin, and Ritter

Gerstorf, D. & Ram, N., Feb 1 2009, In : Human Development. 52, 1, p. 38-43 6 p.

Research output: Contribution to journalComment/debate

Life Expectancy
325 Citations (Scopus)
Growth
Group
Population
Hydrocortisone
Research Personnel
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
2006
2 Citations (Scopus)

Using Rasch measurement to investigate volleyball skills and inform coaching

Bowles, R. P. & Ram, N., Feb 1 2006, In : Journal of applied measurement. 7, 1, p. 39-54 16 p.

Research output: Contribution to journalReview article

Volleyball
Mandrillus
Mentoring
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