A hypothesis that states there is no relationship between the independent variable(s) and the dependent variable(s) is called which of the following?
A) Non-directional hypothesis
B) Null hypothesis
C) Research hypothesis
D) Simple hypothesis
B
Feedback:
A null hypothesis is a hypothesis that states there is no relationship between the independent variable(s) and the dependent variable(s). Directional hypotheses specify not only the existence but the expected direction of the relationship between variables. A non-directional hypothesis stipulates a relationship between variables but not the direction of the relationship. A research hypothesis is a statement of expected relationships between variables. Hypotheses can be either simple hypotheses (with a single independent variable and dependent variable) or complex (multiple independent or dependent variables).
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The question "What is the meaning of this phenomenon?" would be asked by qualitative researchers
A) True B) False
The family of a dying client expresses concern because the client is eating very little. The family suggests that the nurse ask the physician to order tube feedings. The best response by the nurse is:
1. "I will call the doctor immediately." 2. "It might be necessary for you to force-feed the client." 3. "Tube feedings will help prolong the client's life." 4. "Not eating can actually decrease the client's pain."
The infant who is small for gestational age (intrauterine growth restriction) is prone to hypoglycemia because of
a. decreased glucose utilization at birth b. poor sucking c. reduced glycogen reserve d. respiratory distress
The client has chronic hypercortisolism. Which intervention is the highest priority for the nurse?
a. Wash the hands when entering the room. b. Keep the client in protective isolation. c. Observe the client for increased white blood cell counts. d. Assess the daily chest x-ray.