A nurse has defined the research question as, How does oral ...

[MGLQZ]

A nurse has defined the research question as, How does oral nutritional supplementation during dialysis treatments affect the serum albumin levels of adult patients who have chronic kidney disease Stage 5?
 
  In this question, what is the independent variable?
  a. Adult patients with chronic kidney disease Stage 5
  b. Oral nutritional supplementation
  c. During dialysis treatments
  d. Serum albumin levels

Question 2

In a research study, what are the properties of interest that differ in value?
 
  a. The study's variables
  b. The study's concepts
  c. The study's hypotheses
  d. The study's assumptions

[Kaytorgator]

Answer to Question 1

ANS: B

Feedback
A The population being studied is adult patients with chronic kidney disease Stage 5.
B Oral nutritional supplementation is the intervention administered to effect a change in the patients' serum albumin levels. Thus oral nutritional supplementation is the independent variable.
C The time of the intervention is defined as during dialysis treatments.
D The study expects to affect the serum albumin levels of patients who receive the intervention. Thus serum albumin levels constitute the dependent variable.

Answer to Question 2

ANS: A

Feedback
A This is the widely accepted and often-cited definition of variables.
B A concept is an abstraction that names an object or phenomenon.
C A hypothesis is a prediction that helps to answer a research question.
D Assumptions are statements accepted as true.

[MGLQZ]

Excellent

[Joy Chen]

Great answer, keep it coming