Some cross-cultural researchers compare average levels of traits across cultures. For example, Chueng and Song (1989) found that Chinese participants generally described themselves as higher on ________ when compared to an American sample.

A) emotional reserve
B) extraversion
C) impulsivity
D) sensation seeking

Chueng and Song

Likely references authors or researchers in a specific study within the context of the provided list, but without more information, it's too ambiguous to accurately define.

American Sample

A demographic or study group consisting only of individuals from the United States, which may impact the generalization of research findings.