Marnin J. Heisel

Psychometric Properties of the 15‐Item Geriatric Depression Scale in Functionally Impaired, Cognitively Intact, Community‐Dwelling Elderly Primary Care Patients

Bruce Friedman, Marnin J. Heisel, Rachel L. Delavan · Journal of the American Geriatrics Society · 2005 · 399 citations

Purpose in Life, Satisfaction with Life, and Suicide Ideation in a Clinical Sample

Marnin J. Heisel, Gordon L. Flett · Journal of Psychopathology and Behavioral Assessment · 2004 · 316 citations

Quality Of Life, Life Satisfaction, Psychopathology +13

The Development and Initial Validation of the Geriatric Suicide Ideation Scale

Marnin J. Heisel, Gordon L. Flett · American Journal of Geriatric Psychiatry · 2006 · 208 citations

Geriatric Psychiatry, Psychiatry, Geriatrics +9

Perfectionism Cognitions, Rumination, and Psychological Distress

Gordon L. Flett, Dara Madorsky, Paul L. Hewitt et al. · Journal of Rational-Emotive & Cognitive-Behavior Therapy · 2002 · 200 citations

The Destructiveness of Perfectionism Revisited: Implications for the Assessment of Suicide Risk and the Prevention of Suicide

Gordon L. Flett, Paul L. Hewitt, Marnin J. Heisel · Review of General Psychology · 2014 · 155 citations

Psychological Co-morbidities, Psychosocial Determinant, Clinical Guidelines +17