Answer: A language shift
Explanation:
According to the given question, Demetrius's family immigrated from Ukraine to the united states and his parents observed that his native language is not good but he was fluent in English.
This above given scenario was exhibiting a language shift as it is the process of replacement of the language during the period of time.
It is due to the influenced from the surrounding community where the people used the English language for the communicating and interaction purpose.
The following are some causes of the language shift are as follows:
- Social factor
- Economic factor
- Values
- Demographic factor
Therefore, Language shift is the correct answer.
the answer is: The neutral stimulus causes no response.
Without being paired by any situation, neutral stimulus would not mean anything to the subjects. Because of this , the subjects would normally just ignore the neutral stimulus every time they face it.
But, when the neutral stimulus is paired with a certain situation (such as ringing a bell before giving foods to dogs), the dogs will associate the neutral stimulus with the positive reinforcement. To the point where the neutral stimulus transformed into a conditioned stimulus, which make the dogs'mouth to start watering every time they hear the bell.
