context: They do not discuss the validity of Derian's camber and toe measurements at all. Derian himself provides no information concerning his methods or whether they are generally approved in his field; he merely states the conclusions he reached using those methods. This failure to state whether his methodology is generally accepted in the field, and defendants' proffer of evidence questioning its validity, provides some basis for excluding his testimony.
citation_a.signal: see also
citation_a.identifier: 600 F.3d 813, 818
citation_a.parenthetical: "The methodology underlying the tests Ezra conducted to determine whether the GL1800 met his standard also gives us pause. Ezra tested a single, used 2006 GL1800, ridden by a single test rider, and extrapolated his conclusions to the fleet of GL1800s produced from 2001 to 2008"
citation_a.sentence: See Cabrera v. Cordis Corp., 134 F.3d 1418, 1423 (9th Cir. 1998) (excluding an expert’s testimony because he did not “demonstrate that he fol lowed a scientific method embraced by at least some other experts in the field”); Heisler v. Maxtor Corp., No. 5:06-cv-06634-JF (PSG), 2011 WL 1496114, *7 (N.D.Cal. Apr. 20, 2011) (identifying a variety of concerns with the reliability of an expert opinion, including “the fact that Plaintiffs offer no evidence that Fowler’s approach is an accepted method for analyzing defects such as those at issue here, nor do they offer evidence with respect to the reliability of the tests that Fowler performed”); see also American Honda Motor Co. v. Allen, 600 F.3d 813, 818 (7th Cir.2010) (“The methodology underlying the tests Ezra conducted to determine whether the GL1800 met his standard also gives us pause. Ezra tested a single, used 2006 GL1800, ridden by a single test rider, and extrapolated his conclusions to the fleet of GL1800s produced from 2001 to 2008”).
citation_b.signal: see
citation_b.identifier: 2011 WL 1496114, *7
citation_b.parenthetical: identifying a variety of concerns with the reliability of an expert opinion, including "the fact that Plaintiffs offer no evidence that Fowler's approach is an accepted method for analyzing defects such as those at issue here, nor do they offer evidence with respect to the reliability of the tests that Fowler performed"
citation_b.sentence: See Cabrera v. Cordis Corp., 134 F.3d 1418, 1423 (9th Cir. 1998) (excluding an expert’s testimony because he did not “demonstrate that he fol lowed a scientific method embraced by at least some other experts in the field”); Heisler v. Maxtor Corp., No. 5:06-cv-06634-JF (PSG), 2011 WL 1496114, *7 (N.D.Cal. Apr. 20, 2011) (identifying a variety of concerns with the reliability of an expert opinion, including “the fact that Plaintiffs offer no evidence that Fowler’s approach is an accepted method for analyzing defects such as those at issue here, nor do they offer evidence with respect to the reliability of the tests that Fowler performed”); see also American Honda Motor Co. v. Allen, 600 F.3d 813, 818 (7th Cir.2010) (“The methodology underlying the tests Ezra conducted to determine whether the GL1800 met his standard also gives us pause. Ezra tested a single, used 2006 GL1800, ridden by a single test rider, and extrapolated his conclusions to the fleet of GL1800s produced from 2001 to 2008”).