Which of these is not generally considered an emotional expression recognized across cultures?

According to the authors of your textbook, ______________ bias can lead researchers to interpret correlational data in a way that supports their preexisting beliefs

FIll in the blank with correct word.

A human factors specialist (or ergonomist) attempts to facilitate the operation of machinery so that ordinary people can use it efficiently and safely

a. True b. False Indicate whether the statement is true or false