On a different occasion, diana stumbles on a set of stairs and crashes towards the pavement. she reaches out to break her fall and feels a crackling sensation as her hand hits the ground. she finds a large scrape across her palm that does not completely heal for weeks. for months after this event, diana feels anxious whenever she sees a set of stairs. in terms of classical conditioning, the sight of stairs would be described as which of the following?
conditioned response
unconditioned response
conditioned stimulus
unconditioned stimulus

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914