Which of the following statements concerning nursing research is true?

A. The scientific base for nursing practice

expanded greatly in the first half of the

20th century.

B. The majority of nursing studies before

1950 focused on clinical problems.

C. Many studies have focused on nurses


D. The first nursing investigations were conducted in the United States.

4. The major reason for conducting nursing research is to

A. promote evidence-based care for patients/


B. promote the growth of the nursing profession.

C. document the cost effectiveness of nursing care