Akira was born to a Japanese-speaking mother and English-speaking father and is fluent in both languages. She recently participated in a study of bilingual university students. When she took a personality test in Japanese she had very different results than when she took the same test in English. According to Benjamin Whorf, this difference is caused by:.
1. unreliable tests.
2. self-serving bias.
3. invalid tests.
4. linguistic determinism.

4) linguistic determinism

Explanation: Linguistic determinism is an idea that suggest that the language of an individual will be determined by his or her thought processes. It argues that the way a person sees the world or the way a person molds the world in his mindset is dependent on the language that particular individual speaks (mother tongue).

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d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer