The answer is: B. accommodation
Accommodation refers to a new information that can change people's existing perspective and transformed it into a new one.
in the case above, Ella's existing perspective was that all birds tweet. The parrots that showed by her friends is the new information. After seeing the new information, Ella changed her perspective towards how birds should sound.
The correct answer is Systematic observation
Systematic observation is a method used to understand how a particular activity or task works. The researcher observes the steps of a process, the tools used, the difficulties that appear, the conversations and results of the work.
Systematic Observation is guided by a defined objective, something you want to know about that activity. The observation is made repeatedly until there is sufficient evidence to state this.
Systematic Observation can be used to do Behavioral Mapping, Task Analysis or Activity Analysis.
The term he used of having to assert that humans have an
inborn mechanism in which they have the capability of mastering language is
called the language acquisition device. This is a tool in which an individual
has that enables them to learn or acquire language that they may be able to
understand them.
In social experiments Location, age of patient or test subject, time of day, and gender of either party can play a big role in results and when changed alter the results making them dependent.
