One (rating) from many (observations): Factors affecting the individual assessment of voice behavior in groups
Journal of Applied Psychology (2015) - Comment
pubmed: 25486258  doi: 10.1037/a0038479  issn: 1939-1854  issn: 0021-9010 

Nathan P. Podsakoff, Timothy D. Maynes, Steven W. Whiting, Philip M. Podsakoff