The first dilemma is how to make certain that research is objective and not intentionally distorted by the researches values. To overcome the possible source of bias, sociologists stress replication.
The second dilemma is whether to do research solely to analyze human behaviour or with the goal of reforming harmful social arrangements.
Answer: Acquaintances
Explanation:
An acquaintance is a person that someone knows, but not so well, that is, they know of the other person's existence and they can get to greet each other and have a brief conversation but it does not mean that they are friends. This type of relationship can occur in any environment, it is common for a person to have a neighbor who is not a friend, but occasionally they greet each other and talk for a few moments. Also at university or school, wherein a classroom some classmates talk for several minutes about anything, but they do not make friends or have a deeper relationship.
Seeing a person on the street that we haven't seen in a long time and seeing them start a conversation for a while makes them acquaintances. They do not have a friendship but they know each other and each time they see each other they greet each other.
The concept of guided participation highlights that 
development occurs in a social situation while extending sociocultural beyond language-based dialogue.
Is the question complete. Cause it does not seem complete to me
Answer:
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