Christine B. Phillips

Research & Publications

Selected research.

Peer-reviewed research on aging, cognitive and functional health, and technology-supported care. Full CV available on request.

* Graduate/postdoctoral mentee    ** Undergraduate mentee    † Co-first authors

The moderating role of personality in the associations between delay discounting and technology use among older adults

Walton, A. M.**, Moss, D.**, Chai, H. W., Stephan, A. T., Gamaldo, A. A., Ross, L. A., & Phillips, C. B.

Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, gbag123, 2026

Digital tools for cognitive healthcare: Exploring perceptions of an everyday function app among midlife and older adults

Stephan, A. T., Walton, A.**, Chai, H., Martinez, V., Lewis-Harris, M., Weaver, C., Steele, T.**, Skrelja, J., McVey, A.*, Courtney, M., Phillips, C. B., Gamaldo, A. A., & Ross, L. A.

Applied Psychology: Health and Wellbeing, 18(3), e70154, 2026

Participant motivation typologies as correlates of study participation and retention in randomized controlled trials targeting cognitive aging through computerized cognitive training

Stephan, A. T., Chai, H., Nicholson, J. S., McVey, A.*, Phillips, C. B., & Ross, L. A.

The Gerontologist, 65(12), gnaf252, 2025

The Everyday Function Intervention Trial (EFIT) protocol: A randomized clinical trial

Ross, L. A., Stephan, A. T., Chai, H. W., McVey, A.*, Phillips, C. B., Gamaldo, A., Dennis, N., Sliwinski, M., & Visscher, K.

Contemporary Clinical Trials, 152, 107829, 2025

Predictive utility of four instrumental activities of daily living assessments and cognitive status changes among cognitively in-tact older adults

Phillips, C. B., McVey, A.*, Sprague, B. N., Cooper, K.*, Stephan, A. T., & Ross, L. A.

Journal of Aging and Health, 37(10), 2024

Differential associations of depressive symptoms on cognitive status by living situation in healthy older adults

Stephan, A. T., Chai, H., McVey, A.*, Wolf, A. V.*, Sprague, B. N., Phillips, C. B., & Ross, L. A.

Journal of Applied Gerontology, 44(4), 651-659, 2024

Undergraduate students engaging in hands-on gerontology research: A participatory case study of value gained and lessons learned

Stephan, A. T., Martinez, V.**, Moss, D.**, Walton, M.**, Bonetto, J.**, Hertzfeld, A.**, Thomas, M.**, Roebuck, S.**, Davis, W. B.**, Pollock, M.**, Lynch, S.**, Steele, T.**, Cooper, K.*, McVey, A.*, Phillips, C. B., & Ross, L. A.

Gerontology and Geriatrics Education, 47(1), 30-46, 2026

Older adults' perceptions of cognitive, physical, and exergame training: A mixed methods investigation of a four-armed randomized controlled pilot trial

Stephan, A. T., McVey, A.*, Steele, T.**, Cooper, K.*, Phillips, C. B., & Ross, L. A.

Games for Health Journal, 13(3), 2024

The impact of monetary incentives on delay discounting within a year-long physical activity intervention

Berardi, V., Phillips, C. B., McEntee, M., Stecher, C., Todd, M., & Adams, M. A.

Annals of Behavioral Medicine, 58(5), 2024

The moderating impact of neighborhood walkability on mHealth interventions to increase moderate to vigorous physical activity for insufficiently active adults in a randomized trial

McEntee, M. L., Hurley, J. C., Phillips, C. B., Hooker, S. P., Todd, M., Frank, L. D., & Adams, M. A.

International Journal of Behavioral Nutrition and Physical Activity, 20, Article 97, 2023

Feasibility of a pilot dyadic randomized controlled trial testing the effects of three behavioral interventions on older adults' cognitive, physical and everyday function

Phillips, C. B., McVey, A.*, Tian, J.*, Stephan, A. T., Davis, W. B.**, Aflagah, E. L., & Ross, L. A.

Frontiers in Aging: Interventions in Aging, 4, 2023

The Preventing Alzheimer's with Cognitive Training (PACT) randomized controlled trial

Nicholson, J. S., Hudak, E. M., Phillips, C. B., Chanti-Ketterl, M., O'Brien, J. L., Ross, L. A., Lister, J. J., Burke, J. R., Potter, G., Plassman, B., Woods, A. J., Krischer, J., & Edwards, J. D.

Contemporary Clinical Trials, 123, 106978, 2022

Training computers to see the built environment related to physical activity: Detection of microscale walkability features using computer vision

Adams, M. A.†, Phillips, C. B.†, Patel, A., & Middel, A.

International Journal of Environmental Research and Public Health, 19(8), 4548, 2022

Adaptive goals and reinforcement to increase physical activity in adults: A factorial randomized trial

Adams, M. A., Todd, M., Angadi, S. S., Hurley, J. C., Stecher, C., Berardi, V., Phillips, C. B., McEntee, M., Hovell, M. F., & Hooker, S.

American Journal of Preventive Medicine, 62(2), e57-e68, 2021

Feasibility and enjoyment of exercise video games in older adults for social connectedness

Freed, S. A., Sprague, B. N., Stephan, A. T., Doyle, C. E.*, Tian, J.*, Phillips, C. B., & Ross, L. A.

Frontiers in Public Health, 9, 2021

Cognitive training attenuates age-related decline in physical function across 10 years

Sprague, B. N.*, Phillips, C. B., & Ross, L. A.

The Journals of Gerontology: Series B, 76(6), 1114-1124, 2021

Effects of goal type and reinforcement type on self-reported domain-specific walking among inactive adults: 2x2 factorial randomized controlled trial

McEntee, M. L., Cantley, A., Foreman, E., Berardi, V. B., Phillips, C. B., Hurley, J. C., Hovell, M. G., Hooker, S., & Adams, M. A.

JMIR Formative Research, 4(12), e19863, 2020

Applying the health belief model to quantify and investigate expectations for computerized cognitive training

Edwards, J. D., Phillips, C. B., O'Connor, M. L., O'Brien, J. L., Hudak, E. M., & Nicholson, J. S.

Journal of Cognitive Enhancement, 5, 51-61, 2020

Variable magnitude and frequency financial reinforcement is effective at increasing adults' free-living physical activity

Berardi, V. B., Hovell, M., Hurley, J. C.*, Phillips, C. B., Bellettiere, J., Todd, M., & Adams, M. A.

Perspectives on Behavioral Science, 43, 515-538, 2020

A viewpoint on change point modeling for cognitive aging research: Moving from description to intervention and practice

Sprague, B. N.*, Freed, S. A.*, Phillips, C. B., & Ross, L. A.

Ageing Research Reviews, 58, 101003, 2020

Rationale, design, and baseline characteristics of WalkIT Arizona: A factorial randomized trial testing adaptive goals and financial reinforcement to increase walking across higher and lower walkable neighborhoods

Adams, M. A., Hurley, J. C., Phillips, C. B., Todd, M., Angadi, S. S., Berardi, V., Hovell, M. F., & Hooker, S.

Contemporary Clinical Trials, 81, 87-101, 2019

Delay discount rate moderates a physical activity intervention testing immediate rewards

Phillips, C. B., Hurley, J. C.*, Angadi, S. S., Todd, M., Berardi, V., Hovell, M. F., & Adams, M. A.

Behavioral Medicine, 46(2), 142-152, 2019

Older adult lifespace varies by driving status and residential population density

Phillips, C. B., Freed, S. A.*, & Ross, L. A.

Transportation Research Record: Journal of the Transportation Research Board, 2673(7), 586-595, 2019

The impact of behavioral interventions on cognitive function in healthy older adults

Sprague, B. N.*, Freed, S. A.*, Webb, C. E.*, Phillips, C. B., Hyun, J.*, & Ross, L. A.

Ageing Research Reviews, 52, 32-52, 2019

The impact of three cognitive training interventions on older adults' physical functioning across five years

Ross, L. A., Sprague, B. N.*, Phillips, C. B., O'Connor, M. L., & Dodson, J. E.

Journal of Aging and Health, 30(3), 475-498, 2018

Age-varying relationships between physical function and cognition in older adulthood

Sprague, B. N.*, Phillips, C. B., & Ross, L. A.

Journals of Gerontology: Series B, 74(5), 772-784, 2017

Online versus in-person comparison of Microscale Audits of Pedestrian Streetscapes (MAPS) assessments: Reliability of alternate methods

Phillips, C. B., Engelberg, J. K., Cain, K. L., Geremia, C. M., Conway, T. L., Zhu, W., Kurka, J. M., Sallis, J. F., & Adams, M. A.

International Journal of Health Geographics, 16, Article 27, 2017

The impact of three cognitive training programs on driving cessation across ten years: A randomized controlled trial

Ross, L. A., Freed, S. A.*, Phillips, C. B., Edwards, J. D., & Ball, K. K.

Gerontologist, 57(5), 838-846, 2017

Longitudinal associations between changes in physical function and driving mobility behaviors of older adults

Phillips, C. B., Sprague, B. N.*, Freed, S. A.*, & Ross, L. A.

Transportation Research Record: Journal of the Transportation Research Board, 2584(1), 70-76, 2016

Daily physical activity and cognitive function variability in older adults

Phillips, C. B., Edwards, J. D., Andel, R., & Kilpatrick, M.

Journal of Aging and Physical Activity, 24(2), 256-267, 2016

An examination of mediators of the transfer of cognitive speed of processing training to everyday functional performance

Edwards, J. D., Ruva, C. L., O'Brien, J. L., Haley, C. B., & Lister, J. J.

Psychology and Aging, 28(2), 314-321, 2013

Everyday reasoning abilities in persons with Parkinson's disease

Young, T. L., Granic, A., Chen, T. Y., Haley, C. B., & Edwards, J. D.

Movement Disorders, 25(16), 2756-2761, 2010

Correlates of physical activity participation in community-dwelling older adults

Haley, C. B., & Andel, R.

Journal of Aging and Physical Activity, 18(4), 375-389, 2010