Ph.D., Clinical Psychology, Florida State University; M.S., Clinical Psychology, Florida State University; B.A. Psychology & Social Behavior, Philosophy Minor, University of California, Irvine. "The block plan allows my classes to dive deep into complex issues surrounding human nature and interpersonal interaction. It also allows students to design and conduct their own short term research projects to give them a sense of what intensive research is like." Dr. Hagan's research focuses on suicide and related behaviors including non-suicidal self-injury and murder-suicide. He works with students to co-publish peer-reviewed journal articles and present at national conferences. He teaches Fundamentals of Psychology, Multicultural Psychology, Abnormal Psychology, Personality Theories, Research Methods 1, Senior Seminar, and a Seminar on suicide and related behaviors.
Well‐tested and validated theories of suicide can help professionals understand, predict, and prevent suicide.
Title |
Cited By |
Year |
---|---|---|
The interpersonal theory of suicide: A systematic review and meta-analysis of a decade of cross-national research. |
327 |
2017 |
Interpersonal processes in depression |
259 |
2013 |
Routinized assessment of suicide risk in clinical practice: An empirically informed update |
166 |
2015 |
Career prevalence and correlates of suicidal thoughts and behaviors among firefighters |
118 |
2015 |
Suicide as a derangement of the self-sacrificial aspect of eusociality. |
114 |
2016 |
Understanding suicide among older adults: a review of psychological and sociological theories of suicide |
71 |
2016 |
An empirically based approach to the assessment and management of suicidal behavior. |
67 |
2013 |
Testing the interpersonal theory of suicide: The moderating role of hopelessness |
55 |
2015 |
Acute suicidal affective disturbance: Factorial structure and initial validation across psychiatric outpatient and inpatient samples |
37 |
2017 |
Negative emotions in veterans relate to suicide risk through feelings of perceived burdensomeness and thwarted belongingness |
33 |
2017 |
Empirical extension of the interpersonal theory of suicide: Investigating the role of interpersonal hopelessness |
32 |
2018 |
Initial validation of brief measures of suicide risk factors: Common data elements used by the Military Suicide Research Consortium. |
28 |
2018 |
Evidence for the propositions of the interpersonal theory of suicide among a military sample |
26 |
2017 |
Examination of interoception along the suicidality continuum |
21 |
2018 |
Implicit measures of suicide risk in a military sample |
17 |
2018 |
Cross-cultural relevance of the Interpersonal Theory of suicide across Korean and US undergraduate students |
15 |
2017 |
The interactive effects of the capability for suicide and major depressive episodes on suicidal behavior in a military sample |
15 |
2016 |
Dangerous words? An experimental investigation of the impact of detailed reporting about suicide on subsequent risk |
14 |
2015 |
Burdensomeness, belongingness, and capability: Assessing the interpersonal–psychological theory of suicide with MMPI-2-RF scales |
13 |
2018 |
Murder-suicide: bridging the gap between mass murder, amok, and suicide |
12 |
2015 |
Research by Cornell College Assistant Professor of Psychology Christopher Hagan provides one more piece of information to better understand suicide and why it’s on the rise across the country.
01-Sep-2020 01:10:58 PM EDT