Andrew Johnson, PhD

Andrew Johnson

Associate Professor

Room 330, HSB
519 661-2111, 87823


  • BA Hons, MA, PhD (Western University)

Academic Appointments

  • Acting Director, School of Health Studies

Supervising Graduate Students

  • Yes

Research Interests

  • Research methodology and the teaching statistics
  • Psychosocial symptoms of Parkinson's disease
  • Psychosocial symptoms of concussion
  • Caregiver stress
  • Identification of patient values within an evidence-based practice framework

Additional Information

Recent Publications


  • Robinson, M.S., Johnson, A.M., Walton, D., MacDermid, J. (2019). A comparison on the polytomous rasch analysis output of RUMM2030 and R (ltm/eRm/TAM/lordif). BMC Medical Research Methodology, 19(36). DOI: 10.1186/12874-019-0680-5.
  • Bowerman, B.L., Schermer, J.A., Johnson, A.M., O’Connell, R.T., & Murphree, E.S. (2014). Business Statistics in Practice. (3rd Canadian Edition). McGraw-Hill Ryerson, Toronto, ON.


  • Bassi, H., Lee, C., Misener, L., Johnson, A.M. (2020). Exploring the characteristics of crowdsourcing: An online observational study. Journal of Information Science, 46(3), 291-312. DOI: 10.1177/0165551519828626.
  • Daub, O., Cardy, J.O., Johnson, A.M., Skarakis-Doyle, E., Bagatto, M.P. (2019). Validity Evidence for the LittlEars Early Speech Production Questionnaire: An English-Speaking, Canadian Sample. Journal of Speech, Language, and Hearing Research, 62(10), 3667-3678. DOI: 10.1044/2019_JSLHR-L-18-0411.
  • Medhizadah, S., Classen, S., Johnson, A.M. (2019). The concurrent criterion validity of the 32-item Fitness-to-Drive Screening Measure. Frontiers Psychology, 10, 253. DOI: 10.3389/fpsyg.2019.00253
  • Daub, O., Skarakis-Doyle, E., Bagatto, M.P., Johnson, A.M., Cardy, J.O. (2019). A comment on test validation: The importance of the clinical perspective. American Journal of Speech-Language Pathology, 28(2), 204-210. DOI: 10.1044/2018_AJSLP-18-0048.
  • Medhizadah, S., Classen, S., Johnson, A.M. (2018). Constructing the 32-item Fitness-to-Drive Screening Measure. Occupational Therapy Journal of Research, 38(2), 89-95. DOI: 10.1177/1539449217741136.
  • Hamad, E.O., Savundranayagam, M.Y., Holmes, J.D., Kinsella, E.A., & Johnson, A.M. (2016). Toward a mixed-methods research approach to content analysis in the digital age: The Combined Content Analysis Model and its applications to health care Twitter feeds. Journal of Medical Internet Research, 18(3), 1-17. DOI: 10.2196/jmir.5391
  • Doyon Dolinar, R., Pleta, B.A., Salmoni, A.W., Johnson, A.M. (2016). MoCA cutoff score in relation to the functional assessment of seniors living in a rural Canadian community. Canadian Journal of Rural Medicine, 21(4), 101-106.

Parkinson's Disease

  • Holmes, J.D., Alvarez, L., Johnson, A.M., Robinson, A.E., Gilhuly, K., Horst, E., Kowalchuk, A., Rathwell, K., Reklitis, Y., Wheildon, N. (2019). Driving with Parkinson’s disease: Exploring lived experience. Parkinson’s disease, 2019, article ID 3169679. DOI: 10.1155/2019/3169679.
  • Johnson, A.M., Jimenez-Pardo, J., Jenkins, M.E., Holmes, J.D., Burke, S.M. (2018). Self-reported physical activity among individuals with Parkinson’s disease. Sage Open, April-June, 1-6. DOI: 10.1177/2158244018778096
  • Lutz, S.G., Holmes, J.D., Ready, E.A., Jenkins, M.E., & Johnson, A.M. (2016). Clinical presentation of anxiety in Parkinson’s disease: A scoping review. Occupational Therapy Journal of Research, 36(3), 134-147. DOI: 10.1177/1539449216661714

Caregiver Stress

  • Hamad, E.O., AlHadi, A.N., Tremblay, P.F., Savundranayagam, M.Y., Kinsella, E.A., Holmes, J.D., Lee, C.J., & Johnson, A.M. (2018). Reconstruction of a caregiver burden scale: Exploratory and content analyses to identify culturally sensitive items in Saudi Arabia. Canadian Journal on Aging, 37(2), 1-16. DOI: 10.1017/S071498081800003X
  • Hamad, E.O., AlHadi, A.N., Lee, C.J., Savundranayagam, M.Y., Holmes, J.D., Kinsella, E.A., & Johnson, A.M. (2017). Assessment of caregiving constructs: Toward a personal, familial, group, and cultural construction of dementia care through the eyes of personal construct psychology. Journal of Cross-Cultural Gerontology, 32(4), 413-431. DOI: 10.1007/s10823-017-9320-x.


  • Sweeney, J.E., Johnson, A.M. (2019). Neck injury following nonimpact mild traumatic brain injury in motor vehicle collisions. Applied Neuropsychology: Adult. DOI: 10.1080/23279095.2019.1654478.
  • Sweeney, J.E., Johnson, A.M. (2019). Exploratory study of HRB signs, patterns, and right-left differences relating to spatial cognition following nonimpact mTBI. Applied Neuropsychology: Adult. DOI: 10.1080/23279095.2019.1575220
  • Sweeney, J.E., Johnson, A.M. (2017). An index of decline or recovery following nonimpact and impact mTBI. Applied Neuropsychology: Adult, Nov 21, 1-5. DOI: 10.1080/23279095.2017.1392304
  • Sweeney, J.E., & Johnson, A.M. (2017). Halstead-Reitan characteristics of nonimpact and impact mTBI litigants and insurance claimants. Applied Neuropsychology: Adult, Aug 29, 1-11. DOI: 10.1080/23279095.2017.1359783.

Research Affiliations

Teaching Areas

  • Test construction
  • Statistics and methodology

Professional Activities