462 U.S. 393 (1983) Cited 652 times 11 Legal Analyses
Holding that the employer bears the burden of negating causation in a mixed-motive discrimination case, noting "[i]t is fair that [the employer] bear the risk that the influence of legal and illegal motives cannot be separated."
In Mushroom Transportation Co. v. NLRB, 330 F.2d 683, 685 (3d Cir. 1964), we held that to qualify as concerted activity "it must appear at the very least that [the conduct] was engaged in with the object of initiating or inducing or preparing for group action or that it had some relation to group action in the interest of the employees."