Comparison of Self-Esteem Scores for Large Samples of North Americans

Comparison of self-esteem scores for large samples of North Americans and Japanese show that

A) the two cultures have quite similar levels of average self-esteem.
B) average levels of self-esteem are higher for the Japanese than North Americans.
C) average levels of self-esteem are higher for North Americans than for Japanese.
D) social class and gender are more important than culture.