The nurse researcher is writing the operational definition of a study variable. What information should be included in this definition?
1. How the variable relates to the hypothesis
2. How the variable is defined in the study
3. How the variable will be measured in a study
4. How the variable relates to the specific group to be studied
3
Rationale 1: The hypothesis does not include the operational definition of the variables.
Rationale 2: This is the conceptual definition.
Rationale 3: An operational definition indicates how a variable will be observed or measured in a study.
Rationale 4: This is not the purpose of the operational definition.
Global Rationale:
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A patient with type 1 diabetes takes 12 units of regular insulin and 34 units of NPH insulin in the morning. How would the nurse explain why two different types of insulin are required to control the patient's blood sugar?
A) "Different onsets and peak effects extends blood glucose control." B) "The mixture makes each drug work more effectively." C) "The combination reduces the adverse effects experienced." D) "Patients are less likely to experience hypoglycemia."
Which body change normally occurs with ovulation?
a. Basal body temperature decreases. b. Cervical mucus becomes clearer, thinner, and threadlike. c. Pain occurs in the vulva. d. Menstrual flow begins.
Hersey and Blanchard's situational leadership theory predicts the most appropriate leadership style based on which of the following variables?
a. Readiness of followers b. Readiness of physicians c. Readiness of nurses d. Readiness of the organization
Anti-infectives are grouped into pharmacological classes by their:
1. staining ability. 2. size or shape. 3. sensitivity. 4. mechanism of action.