9. whose book, entitled verbal behavior, posited the idea that children learn to speak by means of reinforcement techniques in the same way that other animals can be taught nonverbal behaviors?

b. f. skinner
benjamin whorf
noam chomsky
john b. watson

A). B. F. Skinner.

Explanation:

B.F. Skinner, the highly acknowledged psychologist as well as greatly admired behaviorist and philosopher in his book designated 'Verbal Behavior' proposed the idea that the children learn speech patterns through similar reinforcement techniques to learn to speak as employed by animals to acquire non-verbal behaviors.

He illustrated this through the use of an experiment that shows how an animal learns to react to get their food that functions as a 'reward' which exemplifies positive reinforcement. Identically, a child learns to speak through the prompts in the form of praise or admiration which evokes a positively reinforced behavior from them. Therefore, option A is the correct answer.

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.