Ohio University

Heather Davis Gahagen

Heather Gahagen Profile Picture
Graduate Student On Internship

Year of Entry

Fall 2011


Clinical Psychology


Dr. Steven Evans

Research Interests

Heather is interested in the social, emotional, academic, and relationship challenges faced by adolescents and adults with Attention Deficit Hyperactivity Disorder. Of particular interest are evidence based individual and group treatment modalities and academic services for this population.

Curriculum Vitae

Heather I. Davis Gahagen
200 Porter Hall
Athens, OH 45701


Doctoral Candidate, Clinical Psychology May 2018 (anticipated)

Department of Psychology, APA Accredited

Specialization Track: Clinical Child

Dissertation (in progress): The Effect of Extended Time on Test Performance of College Students with High and Low Symptoms of ADHD

Masters of Clinical Psychology- Ohio University (Athens, OH) 2011-2014

Department of Psychology, APA Accredited

Specialization Track: Clinical Child

Master’s Thesis: Meta-Analysis of the Validity of the Balloon Analogue Risk Task

Bachelor of Science – James Madison University (Harrisonburg, VA) 2006- 2010

Department of Psychology

Major: Psychology (Magna Cum Laude)

Clinical & Field Experience

Graduate Assistant, Aug 2015-present

Counseling and Psychological Services (Athens, OH) Ohio University

Supervisor: Krystal Hernandez, Ph.D.

  • Conducting individual therapy in a culturally sensitive manner
  • Co-facilitating “personal exploration” group (Spring 2015)
  • Observing process of group for survivors of sexual assault (Fall 2015)
  • Covering 4 hours of drop-in/crisis service shifts per week
  • Attending supervision sessions

Counselor-in-Residence, August 2015-present

Residential Housing and Counseling and Psychological Services (Athens, OH) Ohio University

Supervisor: Paul Castelino, Ph.D.

  • The objective of the CR program is to support the academic and personal growth of students through the provision of on-site and easily accessed (drop-in) consultation and mental-health support services.
  • Providing brief psycho-social assessment and support as well as referral services
  • Conducting outreach presentations (topics: campus psychological resources, healthy relationships)
  • Consulting with Residential Housing staff on mental health issues
  • Facilitating staff training or professional development as needed
  • Supporting the counselor-on-call during emergency and crisis situations
  • Attending RA staff meetings, green meetings, meetings with the Director of Residential Education and clinical supervision

Psychology Trainee, Jan 2015-June 2015

Veteran’s Transition and Empowerment Center, Chillicothe VA Medical Center (Chillicothe, OH)

Supervisor: Nathan Bidlack Psy.D.

  • Facilitated and co-facilitated groups for Veterans with severe mental illness diagnoses (i.e.Bipolar Disorder, Schizophrenia, severe Major Depressive Disorder, and/or Post-Traumatic Stress Disorder) with a focus on recovery and community integration
  • Complete intake and orientation assessments
  • Attend supervision on a weekly basis in an individual format

Advanced Psychology Trainee, Sept 2014-Present

Psychology and Social Work Clinic (Athens, OH) Ohio University

Supervisor: Chantel Weisenmuller, Ph.D.

  • Conducted intake evaluations (including history, clinical interview, objective personality testing, and intelligence screening for potential clients)for college students and adolescents
  • Wrote integrated intake reports
  • Made treatment recommendations
  • Made referrals and connections to community resources, as appropriate
  • Received weekly supervision in an individual format

Psychology Trainee, 2013-2014

Ohio University Counseling and Psychological Services (Athens, OH)

Supervisors: Fred Weiner, Ph.D.; Melinda Honeycutt, Psy.D ; Rebecca Davenport, Ph.D.; and Kendra Mathys, M.A.

  • Provided psychological therapy and support for undergraduate and graduate students on drop-in basis, including crisis support
  • Conducted intake interviews with referral recommendations for undergraduate and graduate students
  • Provided individual therapy on a weekly or bi-weekly basis for presenting problems including anxiety, depression, adjustment issues, relational issues, academic distress, family of origin issues, self-injury, trichotillomania, and skin picking.
  • Received weekly supervision in individual format

Group facilitator, Fall 2014

Ohio University Psychology and Social Work Clinic (Athens, OH)

Supervisor: Brian Wymbs, Ph.D.

  • Led the “Friendship Skills” group for children 11-18 which included discussion of various social skills and real time feedback on use of the skill that was the focus of the session
  • Implemented behavior management system
  • Supervised and provided feedback to undergraduate assistants who assisted with implementation

Camp Counselor, July 2013

Camp Boost

Supervisors: Steven Evans, Ph.D., Brian Wymbs, Ph.D.

  • Conducted psychodiagnostic intake evaluation for a week long free camp for children with and without ADHD
  • Provided milieu therapy designed to enhance appropriate behavior and strengthen social skills
  • Record real time data related to behavior and social skills performance

Group co-facilitator, Spring, 2013

Ohio University Psychology and Social Work Clinic (Athens, OH)

Supervisor: Frances Wymbs, Ph.D.

  • Co-led a workshop for parents based on the Community Education Program for Parents
  • Facilitated discussion and implementation of child management techniques

Psychology Trainee, 2012—2014

Ohio University Psychology and Social Work Clinic (Athens, OH)

Supervisors: Julie Owens, Ph.D.; Frances Wymbs, Ph.D.; Steven Evans, Ph.D.; and Brian Wymbs, Ph.D.

  • Provided psychological assessments (including intellectual, psychoeducational, mood and behavioral functioning)
  • Conducted individual therapy with children and adolescents, families and adults from Ohio University and the surrounding community

Undergraduate Field Placement Intern, Spring 2010

Commonwealth Center for Children and Adolescents (Stanton, VA)

Supervisor: Lauren Orndorff, MT-BC

  • Assisted in providing children in a state funded, residential treatment program for children and adolescents with music and recreation therapy activities

Undergraduate Intern, Fall 2009

Batterer’s Intervention Program (Harrisonburg, VA)

Supervisor: Judith Weaver LPC

  • Assisted group leader with preparation and implementation of group sessions for court mandated program for violence against family members

Therapy Recreation Aide, Summer 2007

Hanover County Dept. of Parks and Recreation (Hanover, VA)

Supervisor: Devin Brown, CTRS

  • Worked one-on-one with a child with special needs with the goal of helping him make the most of the camp experience

Professional Development

Acceptance and Commitment Therapy (ACT) “Founders Bootcamp”

Praxis (Philadelphia, PA)

  • Attended a 4 day “bootcamp” workshop consisting of approximately 32 hours of direct instruction from founders of ACT including Steve Hayes, Kelly Willson, and other major contributors to the field

Center for Deployment Psychology “Summer Institute”

(Washington, D.C)

  • Attended a 5 day program with goals of learning more about military culture, military psychology, and evidence based care for military personnel


Davis Gahagen, H.I.., Purl, J., & Evans, S.W. (in prep). Meta-Analysis of the Construct Validity of the Balloon Analogue Risk Task (BART).

Zoromski, A. K., Evans, S. W., Davis Gahagen, H.I., Serrano, V. J., & Holdaway, A. (2014). Ethical and contextual issues when collaborating with educators and school mental health professionals. In J.Z. Sadler, B. Fulford, & W. Van Staden (eds.), Oxford handbook of psychiatric ethics (pages). Oxford, UK: Oxford University Press.

Evans, S. W., Schultz, B. K., DeMars, C. E., & Davis, H. I. (2011). Effectiveness of the Challenging Horizons after-school program for young adolescents with ADHD. Behavior Therapy, 42(3), 462-474.

Davis, H.I. (2008). Gender gaps in math and science education. Undergraduate Research Journal for the Human Sciences, 7. Available at http://www.kon.org/urc/v7/-davis.html.


Davis Gahagen, H.I., Purl, J. & Evans, S.W. (2015, August). Meta-analysis of the Construct Validity of the Balloon Analogue Risk Task. Poster presented at the annual meeting of the American Psychological Association, Toronto, Canada.

Davis Gahagen, H.I., Spiel, C.F., Evans, S.W., Colman, R., & Porter, J. (2014, November). Specific Problem in Daily Functioning/Impairment of High School Students with Behavioral/Emotional Difficulties: The Parent Perspective. Poster presented at the meeting of the Association for Cognitive and Behavioral Therapy, Nashville, Tennessee.

Davis, H.I., Spiel, C.M, Evans, S.W., & Langberg, J.M. (2013, November). The impairments of high school students with EBDs as described qualitatively by their parents. Poster accepted for presentation at the meeting of the Association of Cognitive and Behavioral Psychology.

Davis, H.I., Marshall, S., Spiel, C.M, Evans, S.W., & Langberg, J.M. (2012, November). Sleep problems and somatization as potential targets of treatment in children with ADHD and sluggish cognitive tempo. Poster presented at the meeting of the Association for Cognitive and Behavioral Therapy, National Harbor, Maryland.

Schultz, B.K., Davis, H.I., Spiel, C.M., Evans, S.W., & Langberg, J.M. (2011, November). Predicting outcomes of a behavioral Intervention for disorganized middle school students. Poster presented at meeting of the Association for Cognitive and Behavioral Therapy, Toronto, Canada.

Davis, H.I., Brady, C.E., Evans, S.W., Andrews, C., State, T., & Kern, L. (2011, August) Rates of Assignment Completion in High School Students Meeting Symptom Criteria for a Disruptive Behavior Disorder. Poster presented at meeting of American Psychological Association, Washington, D.C. Also presented at Ohio University’s Student Expo 2012

Davis, H.I., Evans, S.W. (2010, November). Description and Continuity of Goal Orientation of High School Students With ADHD. Poster presented at the Association for Behavioral and Cognitive Therapies Conference, San Francisco, California.

Eid, R., Davis, H.I., Redford, E., Hawkins, M., Ross, M., Sadler, J.M., Brady, C.E., Evans, S.W. (2009, August). Parental perspective on ADHD: Household issues that predict strain and relationships. Poster presented at American Psychological Association Conference, Toronto, Canada.

Davis, H. I., Carter, K., Brady, C.E., Sadler, J.M., Serpel, Z., Evans, S.W. (2008, March). Quantity and intensity of issues in families with adolescent children with ADHD: Depends on who you ask. Poster presented at the Eastern Psychological Association Conference, Boston, MA.

Davis, H.I., Sax, K., Brady, C. (2008, April). Parent perceived characteristics of children with ADHD and parent strain. Poster presented at the Raising the Bar Conference, Harrisonburg, VA.


Spiel, C.F., Evans, S.W., Davis, H. I., Schultz, B. K., Owens, J.S., Harrison, J.R. (2012, October) Special Education for Adolescents with ADHD: Investigating the Research- Base of Services. Presentation presented at the meeting of the Conference on Advancing School Mental Health.

Departmental Service

Ad-hoc Committee for Assessment of Department Climate, Spring 2015

  • Represented student interests and concerns in the development of a departmental measure of departmental climate, including graduate student-research advisor relationships

Policy and Planning Committee Student Representative, 2014-2015

  • Represented student interests and concerns in the department level policy and planning committee

Internship Committee Student Representative, Fall 2014

  • Reviewed application packets of students applying for internship and provided feedback

Graduate Student Senate Original Works Grant Committee Member, 2012-2014

  • Reviewed selected psychology grants for sub-committee meeting
  • Defended selected psychology grants during full board meeting to decide funding

Research Experience

Graduate Assistant, Summer 2015 & 2016

Center for Intervention Research in Schools (Athens, OH)

Supervisors: Steve Evans, Ph.D., Julie Owens, Ph.D.

  • Conduct clinical diagnostic evaluations in Lancaster, OH for a epidemiology grant funded by the CDC

Research Assistant, 2011 –present

Center for Intervention Research in Schools (Athens, OH)

Supervisor: Steven Evans, Ph.D.

  • Conducted a literature review of Social Skills Training Program literature for use in publication for a meta-analysis
  • Mentored an undergraduate research assistant who assisted in conducting the review
  • Conducted intake evaluations for a randomized clinical trial of several different versions of psychosocial treatments for middle school students with ADHD
  • Conducted intake evaluations for study of social skills for children with and without ADHD

Research Associate, 2010- 2011

Center for Intervention Research in Schools (Athens, OH)

Supervisor: Steven Evans, Ph.D.

  • Completed project support tasks including evaluations, recruitment, and scheduling
  • Implemented fidelity measures for after-school program
  • Supervised undergraduate research assistants
  • Conducted follow-up and post treatment evaluations for a randomized clinical trial of several different versions of psychosocial treatments for middle school students with ADHD

Research Assistant, Spring 2010

Baird Center (Harrisonburg, VA)

Supervisor: Trevor Stokes, Ph.D.

  • Established electronic PCIT literature library and procedural protocols for PCIT training
  • Compiled information on federal grant leads

Research Assistant, 2009-2010

Cognitive Development Lab (Harrisonburg, VA)

Supervisor: Krisztina Varga, Ph.D.

  • Assisted with IRB proposal submission
  • Developed and managed project database and developed tasks using E-prime
  • Collected and coded data on infants, child, and adult participants using Noldus Observer

Undergraduate Honor’s Thesis, 2008- 2009

James Madison University (Harrisonburg, VA)

Supervisor: Steven Evans, Ph.D.

  • Submitted research proposal for IRB approval and attended IRB hearing
  • Reformatted and color coded Patterns of Adaptive Learning Scale
  • Assisted with participant recruitment and participant evaluation
  • Collected and analyzed data via participant evaluations
  • Prepared, defended and submitted manuscript

Research Assistant, 2007-2009

Alvin Baird Attention and Learning Disabilities Center (Harrisonburg, VA)

Supervisor: Steven Evans, Ph.D.

  • Prepared a summary of methods of participant retention to be used in future research
  • Contributed to preparation of manuscript submitted to and accepted by a Behavior Therapy
  • Entered data into an Access database for various projects
  • Implemented manualized interventions in a before school program for children with ADHD
  • Administered follow up evaluations to participants in after school program for children with ADHD

Teaching & Leadership Experience

Instructor of Record, Spring 2014

Ohio University (Athens, OH)

  • Select textbook, develop syllabus, teach classes, prepare and grade tests and assignments for Child and Adolescent Development course (PSY 2410)

Guest Lecturer, Spring 2013, Fall 2014, Fall 2015

Ohio University (Athens, OH)

  • Taught seven class periods of developmental psychology to undergraduate students on various topics
  • Taught one class period of graduate level child psychopathology

Teacher’s Assistant, 2011-present

Ohio University (Athens, OH)

  • Provided course support for instructors in various courses which included responsibilities such as grading essay questions, term papers, and statistics tests and projects

Teacher’s Assistant, Spring 2010

James Madison University (Harrisonburg, VA)

  • Led classes and graded papers for “How to Prepare for Grad School” course

Attendance Coordinator, 2008- 2010

JMU Psychology Peer Advising (Harrisonburg, VA)

  • Maintained the points system and ensured active involvement in the organization
  • Advised fellow psychology majors in career and academic planning and aided the community through service activities

Chapter Secretary, 2009- 2010

JMU Psi Chi International Honor Society for Psychology- (Harrisonburg, VA)

  • Maintained communication with the membership and took meeting minutes

Grants, Scholarships & Honors

Graduate Student Senate Original Works Grant, Fall 2013

  • Graduate student grant to defray master’s thesis research costs

Eileen Nelson Scholarship ($1000), Spring 2010

  • Merit-based scholarship awarded by the psychology department at James Madison University

Doris Hover Farquhar Scholarship ($1000), Spring 2010

  • Merit-based scholarship awarded by James Madison University

President’s List or Dean’s List, 2006-2010

  • GPA of 3.90 or above and GPA of 3.50 to 3.89, respectively

James Hart Outstanding Junior Psychology Department Award, Spring 2009

  • Award honors outstanding performance among junior psychology students

Edythe Rowley Honors Scholarship ($1000), 2008-2009

  • Merit-based scholarship for members of the James Madison University Honors Program

Richmond Fire Department Beat the Heat Scholarship ($500), Fall 2008

  • Merit-based scholarship to honor children of City of Richmond Firefighters excelling in college

Department of Psychology Grant for Outstanding Undergraduate Scholarship ($400), Spring 2008

  • Travel grant to present poster at Easter Psychological Association conference in Boston, MA

Research Featured in Madison Scholar Magazine, Spring 2008

Parent’s Day Scholarship ($1274), Fall 2008

  • Need-based scholarship awarded by James Madison University

Althea L. Johnston Scholarship ($1000), Fall 2007

  • Merit-based scholarship awarded by James Madison University

JMU Alumni Legacy Scholarship ($1000), Fall 2006

  • Merit-based scholarship to honor children whose parents attended JMU


Chantel Weisenmuller, Ph.D (Director, Ohio University Psychology and Social Work Clinic)

Melinda Honeycutt, Psy.D. (Staff Psychology Resident, University of Washington Tacoma)

Nathan Bidlack, Ph.D. (Staff Psychologist, Chillicothe Veterans Administration Medical Center)