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.