bias
bias (sesgo)
a leaning toward one side that can make a writer or a source unfair or one-sided.
Example
A study praising a soda was paid for by the soda company. (The source may be biased.)
In Spanish
bias (sesgo) — una inclinación hacia un lado que puede hacer que un escritor o una fuente sea injusto o parcial.
A study praising a soda was paid for by the soda company. (La fuente puede tener sesgo.)