Publications Regarding Cohort Variations in Experiences and Well-Being

“Generational Variations in Wellbeing: Suicide Rates, Cohort Characteristics, and National Socio-Political Context over Seven Decades,” Social Forces, 2025, 104:341-365. Online first February 3, 2025. https://doi.org/10.1093/sf/soaf019.

“Race Differences in Cohort Effects on Nonmarital Fertility  in the United States: Reply to Martin,” Jean Stockard, Jo Anna Gray, Robert M. O’Brien, and Joe Stone, Social Forces, 87 (March, 2009): 1489-1497.  Read It

“Race Differences in Cohort Effects on Nonmarital Fertility  in the United States,” Jean Stockard, Jo Anna Gray, Robert M. O’Brien, and Joe Stone, Social Forces, 87 (March, 2009): 1449-1479.  Read It

“Can Cohort Replacement Explain Changes in the Relationship between Age and Homicide Offending?” Robert M. O’Brien and Jean Stockard, Journal of Quantitative Criminology, 25 (2009): 79-101.  Read It

“A Mixed Model Estimation of Age, Period, and Cohort Effects”  Robert M. O’Brien, Kenneth Hudson, and Jean Stockard, Sociological Methods and Research 36 (2008): 402-428.  Read It

 “A Common Explanation for the Changing Age Distributions of Suicide and Homicide in the United States: 1930-2000,” Robert M. O’Brien and Jean Stockard, Social Forces 84 (March, 2006): 1539-1557.  Read It

“Cohort Variations in Suicide Rates Among Families of Nations:  An Analysis of Cohorts Born from 1875 through 1985,” Jean Stockard and Robert M. O’Brien International Journal of Comparative Sociology 47 (February, 2006): 5-33.  Read It

The Cohort-Size, Sample-Size Conundrum: An Empirical Analysis and Assessment Using Homicide Arrest Data from 1960 to 1999,” Robert M. O’Brien and Jean Stockard, Journal of Quantitative Criminology, 19 (March, 2003): 1-32.  Read It

“Cohort Effects on Suicide Rates: International Variations.” Jean Stockard and Robert M. O’Brien. American Sociological Review, 67 (December, 2002): 854-872.  Read It

“Cohort Variations and Changes in Age-Specific Suicide Rates Over-Time: Explaining Variations in Youth Suicide.” Jean Stockard and Robert M. O’Brien, Social Forces, 81 (2002): 605-642.  Read It

 “Variations in Age-Specific Homicide Death Rates: A Cohort Explanation for Changes in the Age Distribution of Homicide Deaths.” Robert M. O’Brien and Jean Stockard, Social Science Research.  31(2002): 124-150.  Read It

The Enduring Effects of Cohort Size and Percentage of Nonmarital Births on Age-Specific Homicide Rates, 1960-1995.” Robert M. O’Brien, Jean Stockard, and Lynne Isaacson. American Journal of Sociology, 104 (1999), pp. 1061-1095.  Read It