Kirjallisuutta – Seniorivapaaehtoisuutta on alettu tutkia satunnaistetuilla tutkimusasetelmilla

Warner L, Wolff J, Ziegelmann J & Wurm S (2014) A Randomized Controlled Trial to Promote Volunteering in Older Adults. Psychology and Aging 29: 757-763.

Pettigrew S, Jongenelis M, Newton R, Warburton J & Jackson B (2015) Research protocol for a randomized controlled trial of the health effects of volunteering for seniors. Health and Quality of Life Outcomes 13: 74.