TY - JOUR
T1 - Known versus unknown threats to internal validity
T2 - A response to edwards
AU - Rice, Stephen
AU - Trafimow, David
PY - 2011/4
Y1 - 2011/4
UR - http://www.scopus.com/inward/record.url?scp=79953836719&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79953836719&partnerID=8YFLogxK
U2 - 10.1080/15265161.2011.560344
DO - 10.1080/15265161.2011.560344
M3 - Article
C2 - 21480068
AN - SCOPUS:79953836719
SN - 1526-5161
VL - 11
SP - 20
EP - 21
JO - American Journal of Bioethics
JF - American Journal of Bioethics
IS - 4
ER -