Question: The nurse researcher has written the study question "Will nursing assistants follow the care directions more appropriately if provided by a registered nurse or a licensed practice nurse?" How should the nurse research operationally define "nursing assistant?" a. People who help nurses provide direct client care b. individuals who have completed a course of study and are certified to assist licensed personnel provide direct client care c. people who work in a hospital and help clients with meals and baths d. individuals who like working in a hospital and enjoy talking with sick clients