Improving assertiveness and self-confidence can help you to take more control of situations in your life. These methods for developing assertiveness and self-confidence can help you stand up for yourself when you need to show strength. Most people tend to be passive by nature and only require the power to be assertive in uncomfortable situations. Becoming assertive is not transforming into a dominant person for the sake of being dominant. Developing assertiveness is a tool that will help you to take control over personal and workplace confrontation.