Conducting a survey of your friends to see how many might go to a trampoline park is an example of

Primary research

Explanation: Primary research is defined as the type of research where the person himself collects information. In this type of research, surveys, observation, and interviews are used.

In the primary research, the information is collected directly and not depending on other research that has been done previously. One of the advantages of this research is that it is carried out around a specific problem and with this information find a solution.

answer; purpose nondisclosure;