Problem: A researcher investigated the effect of talking during blood pressure measurement on the client's blood pressure. Participants were recruited from the outpatients of a government training hospital consisting of 30 males and 30 females, 21 to 70 years of age with a diagnosis of hypertension. Which of the following describe this type of research? Need Online Tutoring? A. Quantitative research B. Applied research C. Qualitative research D. Basic research