Kenneth E. Leonard, PhD

Kenneth E. Leonard, PhD.

Research Scientist Emeritus

Psychiatry 

Department of Psychiatry
Jacobs School of Medicine and Biomedical Sciences

Contact Information

Google Scholar

Primary Research Areas

Marital/family processes; parenting and infant development; interpersonal aggression; bar violence; domestic violence.

Research Publications Expertise

Research Projects

  • Hepatitis C Knowledge and Treatment Motivation among Emergency Room Patients Presenting with Heroin Use
    11/13/18
    Leonard
  • Proximal Effects of Marijuana in Understanding Intimate Partner Violence
    4/30/26
    Testa | Derrick | Leonard | Collins
    The acute effects of marijuana use within couples was examined as a way of understanding the potential role of marijuana in understanding partner aggression, both immediately after use, and as it develops over time. 
  • Men’s Alcohol Use and Perpetration of Sexual Aggression
    4/30/26
    Testa | Leonard | Parks
    The role of college men’s alcohol use in sexual aggression perpetration was examined using 1) a prospective survey study over five semesters and 2) a 56-day daily report study considering whether drinking episodes increase the odds of subsequent sexual aggression.
  • Study of Health and Adult Relationship Experiences
    4/30/26
    Leonard | Testa | Quigley | Houston | Homish
    Researchers examined the relationship between heavy drinking, impulsivity and aggression in married couples.
  • Alcohol and Couples Communication
    4/30/26
    Testa | Leonard | Quigley
    Two studies considered the acute effects of alcohol use within couples on conflict and aggression: 1) an experimental alcohol administration study using a conflict resolution paradigm and 2) a 56-day daily diary study examining whether drinking episodes increase the odds of subsequent partner aggression.
  • Research Training on Alcohol Etiology and Treatment
    8/11/25
    Leonard | Homish | Read
    This grant funds a postdoctoral training program for scientists planning a career in addictions research.
  • Parenting and Infant Development in Alcoholic Families
    4/30/26
    Eiden | Leonard | Edwards | Grohman | Colder
  • Alcohol and Bar Violence
    4/30/26
    Leonard | Collins | Quigley
  • Alcohol and Early Marriage: Spouse and Peer Influence
    4/30/26
    Leonard