The idea which Professor Albertson has about the belief that having a best friend in middle school is associated with increased self-esteem among girls is:
This refers to the feelings of self worth which a person has about himself and also the way others perceive him.
With this in mind, we can see that Professor Albertson believes that the need for a best friend in middle school will lead to increased self esteem among girls is a hypothesis.
Read more about self esteem here:
https://brainly.com/question/24516788
