Courses Taught and Teaching
- Stat 401: Statistical
Methods for Research Workers
- Stat 404: Regression
for Social and Behavioral Research
- Soc 613:
Advanced Theory Construction and Model Building
of Liberal Arts and Sciences Career Achievement in
Teaching Award (2007) and the Jerry Shakeshaft Master Teacher
- Structural equation
modeling of multi-wave, multi-informant data.
and change in family relationships, studies of which have been
continuously funded by NIMH, NIDA and NICHD for more than 20 years.
in Surveys: effects of question order and question wording on responses.
member of the Iowa State University Institute for Social and Behavioral
Current and recent
NIH and NSF funding:
Investigator on “Relationship Development and Health in Young
Adults” (HD051746-01) Funded by NICHD, $1,
800,000 (2006 – 2011).
with Rand Conger on “Critical Transitions in Rural Families
at Risk” (MH051361 – 11). Funded by NIMH,
$2,158,000 (2006 – 2010).
Investigator with Michael Larsen on “Fractional Imputation in
Social Surveys” (NSF DMS 0532413). Funded by NSF, $177,000
(2005 – 2007).
- Wickrama, K. A.
S., Surjadi, F. F., Lorenz, F. O. & Elder, Jr., G. H. (In
press). The influence of work control trajectories on men’s
mental and physical health during the middle years: Mediational role of
personal control. Journal of Genentology, Social Science.
F. O., J. N. Melby, R. D. Conger & X. Xu. 2007. The
effects of context on the correspondence between observational ratings
and questionnaire reports of hostile behavior: A multitrait,
multimethod approach. Journal of Family Psychology 21: 498 –
- Cui M, R. D. Conger & F. O. Lorenz.
2006.Predicting change in adolescent adjustment from change in marital
problems. Developmental Psychology 41: 812-823.
F.O, K. A. S. Wickrama, R. D. Conger & G. H. Elder Jr. 2006.
The short term and decade long effects of divorce on women’s
midlife health. Journal of Health and Social Behavior 47: 111-125.
H, F. O. Lorenz, K. A. S. Wickrama, R. D. Conger & G.
H. Elder Jr. 2006. Relationships between sexual satisfaction, marital
satisfaction and marital instability at midlife. Journal of Family
Psychology 20: 339-343.
- Wickrama K.A.S., F. O.
Lorenz, R. D. Conger & G. H. Elder Jr 2006. Changes
in family financial circumstances and the physical health of married
and recently divorced mothers. Social Science and Medicine 63: 123
- Wickrama, K.A.S, F. O. Lorenz, S.
Fang, W. T. Abraham & G. H. Elder Jr. 2005. Gendered
trajectories of work control and health outcomes in the middle years.
Journal of Aging and Health 17:779-806.
- Cui M, F.
O. Lorenz, R. D. Conger, J. N. Melby & C. M. Bryant. 2005.
Observer, self and partner reports of hostile behaviors in romantic
relationships. Journal of Marriage and Family 67:1169-1181.
seminars and workshops:
reconcile observational and questionnaire reports of behavior in close
relationships.” A workshop in structural equation modeling
presented September 8, 2005 to the faulty of Liberal Arts and Human
Development, Virginia Polytechnical Institute and State University,
- “The short-term and
decade long effects of divorce on women’s mental
health.” The 1st seminar in the Human Development Initiative
seminar series, presented September 9, 2005 to the faculty of Virginia
Polytechnical Institute and State University, Blacksburg, VA.
workshop. A series of three presentations, “Multiple
regression in two independent variables: examining the algebra of
equations in latent variables,’ or ‘What can you
learn from path analysis?’” and “Modeling
growth and decline with structural equations,” were presented
as a day-long workshop to the faculty of St. Cloud State University,
April 1 2005.
- “The effects of divorce
on women’s physical and emotional health.” A
presentation July 13 as part of a symposium on “Rural
families: How family structure and process are related to mental and
physical outcomes” at the18th Biennial Meeting of the
International Society for the Study of Behavioral Development, Ghent,
Belgium, July 11 – 15, 2004.
evidence to argue for change: A view of the world through the eyes of a
statistician.” A plenary given at the conference,
“The clock is ticking for rural America: A behavioral health
and safety conference.” Marriott Country Club Plaza Hotel,
Kansas City, MO., May 29 – 30, 2003.
chronicity of chronic conditions: health and distress implications for
married and divorced women at midlife.” A Population Center/
Rural Sociology seminar presented at Pennsylvania State University,
February 11, 2003.
- “Time and Interaction:
Modeling growth and decline in family processes.” A workshop
presented June 20 at the 4th Annual Summer Institute of the Family
Research Consortium III. Ballantyne Resort in Charlotte, NC., June
Recent Papers Presented at Professional Meetings:
Lavelle, Frederick O. Lorenz & Jon Opsomer. 2007. A study of
pathways from divorce to illness. Paper presented July 29 at the Joint
Statistical Meetings in Salt Lake City, UT, July 29 – Aug 1.
O. Lorenz, K. A. S. Wickrama & Xiang Qun. 2006. How coping
strategies affect change in the emotional health of rural women. Paper
presented August 11 at the annual meetings of the Rural Sociological
Society in Louisville, KY, August 10 – 13, 2006.
O. Lorenz, Jan Melby, Xia Xu and Rand D. Conger. 2005.
“Reconciling differences between observational and questionnaire
reports of behavior: A MTMM approach.” Paper co-presented August
11 at the Rural Sociological Society meetings in Tampa Bay, FL, August
8 – 12.
- Xia Xu, Frederick O. Lorenz, and K. A. S.
Wickrama. 2004. “Husband and wife differences in response to
stressful life events. A paper presented August 15 at the Rural
Sociological Society meetings in Sacramento, CA, August 11 – 16.
O. Lorenz, J. N. Melby and R. D. Conger. 2003. “The effects of
context on the correspondence between questionnaire and observational
data in family studies.” Paper presented August 6 at the Joint
Statistical Meetings in San Francisco, August 3 – 7.