Final answer:
If a client has difficulty communicating expressively during an assessment, all of the following techniques can be used to gather information except a survey.
Step-by-step explanation:
If a client has difficulty communicating expressively during an assessment, all of the following techniques can be used to gather information except survey. Survey is a structured interview in which respondents are all asked the same questions and their answers are tabulated and interpreted. However, if the client has difficulty expressing themselves, a survey may not be an effective method to gather information. Instead, techniques such as a structured interview, observation, and chart review can be used to gather information in this situation.