A census of subject pool characteristics and policies.

• 1 January 1989
• journal article
• Published by American Psychological Association (APA) in American Psychologist
• Vol. 44  (7) , 1053-1061
• https://doi.org/10.1037//0003-066x.44.7.1053

Abstract

Keywords

• BIOMEDICAL AND BEHAVIORAL RESEARCH
• EMPIRICAL APPROACH