A sociologist studied the learning capacity of toddlers by joining a preschool for six months. During this period, he observed the activities of toddlers and asked questions related to their development to their parents and teachers. In this scenario, the sociologist most likely conducted .

Field research.

Explanation:

Since the sociologist studied the learning capacity of toddlers by joining a preschool for six months, he has likely conducted a field research or a field study. Field research is the collection of raw data outside a laboratory or a library. It is a qualitative method of data collection that aims to observe, interact and understand people while they are in a natural environment. It focuses on capturing live experiences.

the correct answer is individualism and exchange. at this stage, children begin to question the rules, because they can see that there is more than one side to them. different individuals have different viewpoints. they won't be able to reach this stage because of ignorance, a lack of ethics or personal biases. that is because people with that characteristiscs are not able to distinguish what is good or what is bad and they can't pursue their individual interests.