Which of the Following Statements Is/are True About the Use

Which of the following statements is/are true about the use of research in practice before the emergence of EBP?

A) Nobody believed that research findings should guide practice decisions.
B) Some studies concluded that one of the most important factors influencing service effectiveness is the quality of the practitioner-client relationship.
C) Everyone believed that practice experience alone was a sufficient basis to guide practice decisions.
D) No studies had questioned the effectiveness of psychotherapy or other forms of human service.
E) All of the above.