Why healthy subjects volunteer for phase I studies and how they perceive their participation?

Personality Structure: Emergence of the Five-Factor Model

John M. Digman · Annual Review of Psychology · 1990 · 6.4K citations

Parental Care, Education, Social Sciences +19

An alternative "description of personality": The Big-Five factor structure.

Lewis R. Goldberg · Journal of Personality and Social Psychology · 1990 · 4.9K citations

Personality Psychology, Education, Factor Analysis +4

An alternative "description of personality": The Big-Five factor structure.

L Goldberg · Journal of Personality and Social Psychology · 1990 · 4.3K citations

Personality Psychology, English Trait Terms, Sociolinguistics +13

What's the Price of a Research Subject? Approaches to Payment for Research Participation

Neal W. Dickert, Christine Grady · New England Journal of Medicine · 1999 · 456 citations

Biomedical Ethic, Successful Clinical Research, Research Subject +24

Paying research subjects: participants' perspectives

Margaret L. Russell, Donna Moralejo, Ellen Burgess · Journal of Medical Ethics · 2000 · 136 citations · Full text