Some different perspectives:

http://www.rationalmagic.com/RMS/rms-jamacrit.html

http://faculty.ncwc.edu/toconnor/daubert.htm

http://www.uww.edu/Lettsc/core/STS/m...ocs/method.htm

http://koning.ecsu.ctstateu.edu/Plan...n/scimeth.html

http://www.epa.gov/maia/html/scientific.html

http://www.nafi.org/archives/archive0013.htm

http://home.xnet.com/~blatura/skep_1.html#1.1