Columbia subject headings:
Academic achievement.
Cohort analysis.
Friendship.
High school students--United States--Attitudes.
Interaction analysis in education.
Interpersonal attraction.
Harvard subject headings:
Academic achievement
Cohort analysis.
Friendship.
High school students--United States--Attitudes
Interaction analysis in education.
Interpersonal attraction.
Princeton subject headings:
Academic achievement.
Cohort analysis.
Friendship.
High school students--United States--Attitudes.
Interaction analysis in education.
Interpersonal attraction.