| Many psychologists and researchers have argued that a lack of assertiveness can act as a source of stress. |
| The study found little difference between the groups of children in assertiveness, which was measured by social development tests. |
| The newly emerging feminine assertiveness has changed the picture to a large extent. |
| Cleverness and assertiveness are valued as ways to achieve upward mobility. |
| Her new levels of assertiveness have her feeling more confident about her career journey. |
| He conveys John's hesitancy as a lack of assertiveness, rather than a character flaw. |
