Skip to main content

Table 2 Psychological measures used in the assessment protocol (primary and secondary)

From: Research protocol for a randomized controlled trial of the health effects of volunteering for seniors

Outcomes Instruments
Primary  
 Psychological Well-Being Warwick-Edinburgh Mental Well-Being Scale [77]
 Depression Center for Epidemiologic Studies Depression Scale [78]
 Self-esteem Rosenberg Self-Esteem Survey [79]
 Quality of Life Global Quality of Life Scale [80]
Secondary  
 Personal Growth Personal Growth subscale of Ryff’s Psychological Well-Being Scales [81]
 Purpose in Life Purpose In Life subscale of Ryff’s Psychological Well-Being Scales [81]
 Social Support Social Provisions Scale [82]
 Self-Efficacy Generalized Self-Efficacy Scale [83]