Final answer:
Non-human primate studies have shown that researchers can introduce bias into their work due to various factors like cultural backgrounds, personal experiences, and education.
Explanation:
Studies of non-human primates have revealed that researchers themselves can introduce bias into their work, impacting the data gathered. This bias can stem from factors such as researchers' cultural backgrounds, personal experiences, and education. It is crucial for researchers to be aware of their biases and transparent about them to ensure the validity of their research.
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