Which one is correct in terms of the cross-national differences in academic achievement?

Question

Quizplus · Accepted Answer

Cross-national differences in academic achievement are influenced by a variety of factors including socioeconomic status, educational systems, cultural values, and parental involvement, rather than solely biological differences. These differences cannot be attributed to a single cause or explained universally, as they vary significantly across different cultures and contexts.

Which One Is Correct in Terms of the Cross-National Differences