A nurse researcher will choose an ex post facto design over more ...

[Pea0909berry]

A nurse researcher will choose an ex post facto design over more a correlational design for which reason?
 
  a. It is easier to implement.
  b. The independent variable can be manipulated.
  c. There is a greater degree of control in the design.
  d. There is increased flexibility when variables relationships are complex.

Question 2

Data collection instruments were sent to the same sample of women at six different times during the first year of living with breast cancer. What type of study design does this exemplify?
 
  a. Cross-sectional
  b. Retrospective
  c. Longitudinal
  d. Correlational

[kjohnson]

Answer to Question 1

ANS: C

Feedback
A An ex post facto design is not inherently easier than correlational design.
B No variable is manipulated in an ex post facto design.
C A retrospective or ex post facto study offers a higher level of control than a correlational study.
D Complex interrelationships usually decrease flexibility in a study.

Answer to Question 2

ANS: C

Feedback
A Cross-sectional design is data collection at one point in time.
B In retrospective design, relationships are examined about past events to analyze possible effects on current variables.
C Longitudinal design involves data collection from the same group(s) at different points in time.
D Correlational design examines interrelationships among variables usually at one point in time.

[Pea0909berry]

Thank you

[kjohnson]

No problemo