| The role of illness acuity on the association between frailty and mortality in emergency department patients referred to internal medicine MH Pulok, O Theou, AM van der Valk, K Rockwood Age and ageing 49 (6), 1071-1079, 2020 | 142 | 2020 |
| A classification tree to assist with routine scoring of the Clinical Frailty Scale O Theou, MU Pérez-Zepeda, AM van der Valk, SD Searle, SE Howlett, ... Age and ageing 50 (4), 1406-1411, 2021 | 105 | 2021 |
| Exploring clinically meaningful changes for the frailty index in a longitudinal cohort of hospitalized older patients O Theou, AM van der Valk, J Godin, MK Andrew, JE McElhaney, ... The Journals of Gerontology: Series A 75 (10), 1928-1934, 2020 | 52 | 2020 |
| Defining minimal important differences and establishing categories for the frailty index R Eendebak, O Theou, A Van Der Valk, J Godin, M Andrew, S McNeil, ... Innovation in Aging 2 (suppl_1), 715-716, 2018 | 6 | 2018 |
| Corrigendum to: The role of illness acuity on the association between frailty and mortality in emergency department patients referred to internal medicine MH Pulok, O Theou, AM van der Valk, K Rockwood Age and Ageing 50 (6), e12-e12, 2021 | 3 | 2021 |
| Frailty índices and the Clinical Frailty Scale each predict 30-day mortality in ED patients K Rockwood, A Van der Valk, R Eendebak, K Lines, S Howlett, O Theou Innovation in Aging 2 (suppl_1), 491-491, 2018 | 2 | 2018 |
| Physical demands at work and physical activity are associated with frailty in retirement AM van der Valk, O Theou, LMK Wallace, MK Andrew, J Godin Work 73 (2), 695-705, 2022 | 1 | 2022 |
| Extremely Partisan Samples Impact Perceptions of Political Group Beliefs A van der Valk University of Waterloo, 2023 | | 2023 |
| Source expertise as a factor of social influence: examining judgment conformity, decision confidence, and source trust A van der Valk Halifax, NS: Saint Mary's University, 2017 | | 2017 |
| Source expertise as a factor of social influence A van der Valk Saint Mary's University, Writing Centre, 2017 | | 2017 |
| Biased Samples Distort Perceptions of Group Beliefs AM van der Valk, A Walker, J Fugelsang, D Koehler Available at SSRN 4852815, 0 | | |
| Extremely Partisan Samples Distort Perceptions of Group Beliefs AM van der Valk, AC Walker, JA Fugelsang, DJ Koehler OSF, 0 | | |
| Afficio Undergraduate Journal A van der Valk | | |
