How do scientist prevent biases from affecting their data?

Any such trend or deviation from the truth in data collection, analysis, interpretation and publication is called bias. Bias in research can occur either intentionally or unintentionally. Bias causes false conclusions and is potentially misleading. Therefore, it is immoral and unethical to conduct biased research.

Explanation:

i would go with the last one

"the attempts of the proletariat to rise above this abasement"