Stefanie works at Herman & Herman, a marketing consulting firm, and is currently conducting interviews with potential new employees. Stefanie prefers to let the flow of the conversation between herself and the interviewee guide which questions she asks. Because of this, Stefanie often asks different candidates different questions. Based on this information, Stefanie uses which of the following types of interviews? O a. Needs-based interviews O b. Behavioral interviews Oc. Structured interviews O d. Unstructured interviews k