Roberts, Aki

Associate Professor

Fall Semester Office Hours

By appointment  only


PhD, Sociology, University of New Mexico

Areas of Specialization

Criminology, Crime Justice Outcome, Motor Vehicle Theft, Japanese Crime, National Incident Based Reporting Systems (NIBRS)

Teaching Schedule

Fall 2020
SOCIOL 261-402: Introduction to Statistical Thinking in Sociology;
SOCIOL 461-401: Social Data Analysis Using Regression

Spring 2020
SOCIOL 261-402: Introduction to Statistical Thinking in Sociology
SOCIOL 760-401: Advanced Statistical Methods in Sociology

Selected Publications

Roberts, A. Adjusting rates of homicide clearance by arrest for investigation difficulty: Modeling incident- and jurisdiction-level obstacles. Homicide Studies.
Roberts, J. M., Roberts, A., & Wadsworth, T. Multiple imputation of missing values in homicide incident data: An evaluation using unique test data. Homicide Studies.
Roberts, A. (2018). Book Review for "Teaching at elite American universities" by Jin Sato. 601, 68-69. Current State of Higher Education (Gendai no Koutou Kyouiku).
Roberts, A. (2018). Revisiting Japan's Postwar Homicide Trend: 1951-2014. In "Crime and Justice in Contemporary japan" Springer, New York.
Roberts, A. (2017). Tenure system and American college professors. Current State of Higher Education (Gendai no Koutou Kyouiku), 594, 58-62.
Roberts, A., & Takeuchi, Y. (2017). Inside American Higher Education: Is the World's Best System in Crisis? Tokyo: Asahi Newspaper Publications Inc.
Roberts, A., & Roberts, J. M. (2016, December). Crime clearance and temporal variation in police investigative workload: Evidence from National Incident-Based Reporting System (NIBRS) data. Journal of Quantitative Criminology, 32, 651-674.
Roberts, A., & Block, S. (2016). Motor Vehicle Theft. Encyclopedia of Crime and Punishment.
Roberts, A., & Dale (2015, February). Income inequality and homicide in the United States: Exploration of different income inequality measures and disaggregated homicide types. Homicide Studies, 19, 28-57.
Roberts, J. M., Roberts, A., & Brewer, D. D. (2014, February). Network contacts and activity domains: Information-sharing among police agencies. Human Organization, 73(1), 13-24.
Roberts, A. (2014). Book Review: Handbook of European homicide research: Patterns, explanations, and country studies. 24, 410-411. International criminal justice review.
Lyons, C., & Roberts, A. (2014). The Difference “Hate” Makes in Clearing Crime: An Event History Analysis of Incident Factors. Journal of Contemporary Criminal Justice, 30, 268-289.
Roberts, A., & Block, S. (2013, August). Explaining Temporary and Permanent Motor Vehicle Theft Rates in the United States A Crime-Specific Approach. Journal of Research in Crime and Delinquency, 50(3), 445 - 471.
Roberts, A., & Willits, D. (2013). Lifestyle, Routine Activities, and Felony-Related Eldercide. Homicide Studies, 17(2), 184-203.
Roberts, A. (2012). Motor vehicle recovery: A multi-level event history analysis of NIBRS data. Journal of Research in Crime and Delinquency, 49(3), 444-467.
Roberts, A., & Lyons, C. J. (2011). Hispanic victims and homicide clearance by arrest. Homicide Studies, 15(1), 48-73.
Roberts, A. (2009). Contributions of the National Incident-Based Reporting System (NIBRS) to substantive knowledge in criminology: A review of research. Sociology Compass, 3, 433-458.
Roberts, A., & Roberts, J. M. (2009). Impact of network ties on change in police agency practices. Policing, 32, 38-55.
Roberts, A., & Lyons, C. (2009). Victim-offender racial dyads and clearance of lethal and non-lethal assault. Journal of Research in Crime and Delinquency, 46, 301-326.
Roberts, A. (2008). Explaining differences between homicide clearance rates in Japan and the United States. Homicide Studies, 12, 136-145.
Roberts, A. (2008). The influence of incident and contextual characteristics on crime clearance of non-lethal violence: A multi-level event history analysis. Journal of Criminal Justice, 36, 61-72.
Roberts, A. (2007). Predictors of homicide clearance by arrest: An event history analysis of National Incident Based Reporting System (NIBRS) incidents. Homicide Studies, 11, 82-93.
Roberts, A., & Roberts, J. (2007). The structure of informal communication between police agencies. Policing, 30, 93-107.
Roberts, A., & LaFree, G. (2004). Explaining Japan’s postwar violent crime trends. Criminology, 42, 179-209.
Roberts, A., & LaFree, G. (2001). The role of declining economic stress in explaining Japan’s remarkable postwar crime decreases, 1951 to 1997. 26, 11-34.