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Author Question: A nurse researcher is planning a quantitative (experimental) research study to test the effect of a ... (Read 127 times)

vicotolentino

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on: Jul 8, 2018
A nurse researcher is planning a quantitative (experimental) research study to test the effect of a new wound product on wound healing. Which of these factors is necessary to implement an experimental pretest-posttest design? (Select all that apply.)
 
  a. Inclusion of a second control group
  b. Ability to collect pretest data
  c. Use of two posttreatment data collection times
  d. Subjects randomized to the control group only
  e. Random assignment of subjects to treatment and control groups

Question 2

Which research designs could be classified as experimental? (Select all that apply.)
 
  a. Solomon four-group design
  b. After-only design
  c. Nonequivalent control group design
  d. After-only nonequivalent control group design
  e. One-group pretest-posttest design
  f. True experimental pretest-posttest control group design
  g. Time series design


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adf223

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: B, E

Feedback
Correct To implement a pretest-posttest design, it must be possible to collect pretest data.
Random assignment must be possible for both treatment and control groups.
Incorrect There is no need for a second control group for a pretest-posttest design.
There is no need for two posttreatment data collection times; only one is needed.
Randomization must be possible for both treatment and control groups.

Answer to Question 2

ANS: A, B, F

Feedback
Correct The Solomon four-group design is an experimental design.
The after-only design is an experimental design.
A true experimental pretest-posttest control group design is an experimental design.
Incorrect A nonequivalent control group design is a quasi-experimental design.
An after-only nonequivalent control group design is a quasi-experimental design.
A one-group pretest-posttest design is a quasi-experimental design.
A time series design is a quasi-experimental design.


vicotolentino

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Reply 2 on: Jul 8, 2018
Gracias!

adammoses97

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Reply 3 on: Yesterday
Excellent

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