General mental ability is $\_\_\_\_\_\_\_\_,$ but also $\_\_\_\_\_\_\_\_.$

General mental ability is $\_\_\_\_\_\_\_\_,$ but also $\_\_\_\_\_\_\_\_.$

A good predictor of job performance; is best for low level jobs

A good predictor of job performance; leads to bias in hiring

A weak predictor of job performance; difficult to measure

None of the above