Which statement about trends in job analysis is true?

Multiple Choice

1. Today's workplace is more or less inflexible and is not constantly subject to change.

2. New jobs do not require new job descriptions.

3. Changes in jobs occur only when there is a change in the descriptions of jobs.

4. Errors in job analysis have multiple sources, but most result from outdated job descriptions.

5. People imagine jobs to be unstable, whereas jobs actually do not change or evolve over time.