RT Book, Section A1 Dutton, Mark SR Print(0) ID 56500946 T1 Chapter 3. Research T2 McGraw-Hill's NPTE (National Physical Therapy Examination), 2e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 9780071771290 LK accessphysiotherapy.mhmedical.com/content.aspx?aid=56500946 RD 2024/03/28 AB Research involves a controlled, systematic approach to obtain an answer to a question.1 A number of research types are recognized: