Renaldo has autism and he was mute. a therapist working with nicolas initially gave him a piece of chocolate any time he made a sound with his lips. this slowly changed until nicolas only received a piece of chocolate for saying complete words, and eventually only for saying complete sentences. nicolas developed speech skills through the use ofa. classical conditioningb. modelingc. shapingd. negative reinforcement

When individuals with a stake in an issue affecting them begin to propose and develop solutions to a problem, they engage in

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.

What was the greatest contribution of the “scientific method”?