A nurse researcher would choose to use a correlational study of ...

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A nurse researcher would choose to use a correlational study of multiple variables for which purpose?
 
  a. To identify the independent variable
  b. To test whether one variable causes another variable
  c. To examine relationships between or among variables
  d. To distinguish how different one variable is from another variable

Question 2

Why would a nurse researcher choose not to use a survey study design?
 
  a. Data analysis is limited with a survey design.
  b. Information collected is relatively superficial.
  c. Results are never applicable beyond the study population.
  d. More subjects are required to reach statistical significance than for other study designs.

[Expo]

Answer to Question 1

ANS: C

Feedback
A The independent variable(s) should be identified by the researcher planning a study.
B Causation cannot be established by correlational design.
C A multivariate correlational study examines relationships between or among variables.
D Correlational design will not help distinguish variables from other variables.

Answer to Question 2

ANS: B

Feedback
A Survey design can yield extensive data for analysis.
B Information obtained in a survey tends to be superficial.
C Survey design does not necessarily limit generalizability.
D A survey design does not necessarily increase the need for a larger sample size.

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