Clarification strategies can help individuals who use speech as their primary mode of communication but have difficulty being understood in some or all situations because of unclear speech. They may experience frustration, social withdrawal, or limited conversational topics due to repeated experiences of communication breakdown. Some individuals need to learn that they are not understood by others. Clarification strategies can increase successful communication experiences, improve social participation, increase an individual’s range of conversational topics, and facilitate continued development of expressive language skills. Research shows that: