Which of the following statements about job characteristics is based on the job characteristics model?

An individual$$s motivation can result not just from direct experience of rewards and punishments, but also from the person$$s observations of other people$$s behavior.

If people perceive their compensation as equal to what others receive for similar contributions, they will believe that their treatment is fair and equitable.

The impact of the five job characteristics on the psychological states of experienced meaningfulness, responsibility, and knowledge of actual results leads to the personal and work outcomes of high work motivation, work performance, and satisfaction.

When motivators are absent$,$ workers are neutral toward work, but when motivators are present, workers are highly motivated and satisfied.