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Answer: quality of her work; the self-serving bias
Explanation:
Trista has attributed her success and outstanding performance in the test due to the quality she displayed in her work, she believes she put in much and as such deserves to score better than her mates. She also attributes this to her self-serving bias, self serving bias here is she's views herself as being favoured over her mates.
Interactions with Native Americans: Spanish colonizers attempted to integrate Native Americans into Spanish culture by marrying them and converting them to Catholicism. Although some Native Americans adopted aspects of Spanish culture, others decided to rebel.