Why is replicating a research study essential for knowledge ...

[newyorker26]

Why is replicating a research study essential for knowledge development?
 
  a. Each time a study is replicated, its probability of error decreases.
  b. Reproducing a study decreases theoretical knowledge, increasing real knowledge.
  c. Replication helps confirm that the initial results were not reached in error.
  d. Replication studies represent the majority of published nursing literature.

Question 2

Which of the following are the characteristics of grounded theory research? (Select all that apply.)
 
  a. It focuses on experiences and processes, against the backdrop of society.
  b. It scrutinizes phenomena, past the capabilities of quantitative research.
  c. It always develops theory.
  d. It provides a cohesive description of a phenomenon, fostering understanding.
  e. It is able to be used effectively in a considerable variety of settings.

[soda0602]

Answer to Question 1

ANS: C
Replication involves reproducing or repeating a study to determine if similar findings will be obtained. Replication is essential for knowledge development because it (1) establishes the credibility of the findings, (2) extends the generalizability of the findings over a range of instances and contexts, (3) reduces the number of type I and type II errors, (4) corrects the limitations in studies' methodologies, (5) supports theory development, and (6) lessens the acceptance of erroneous results. Some researchers replicate studies because they agree with the findings and wonder if the findings will hold up in different settings with different subjects over time. Others want to challenge the findings or interpretations of prior investigators. However, the number of nursing studies replicated continues to be limited.

Answer to Question 2

ANS: A, B, D, E
Grounded theory research is an inductive research technique developed by Glaser and Strauss through their study of the experience of dying. The method's name means the findings are grounded in the concrete world as experienced by the participants and are interpreted at a more abstract theoretical level. The desired outcome of grounded theory studies is a middle range or substantive theory. Grounded theory researchers have contributed to our understanding of the patient experience across a wide range of settings. Grounded theory research examines experiences and processes with a breadth and depth not usually possible with quantitative research. The reader can intuitively verify these findings through her or his own experiences. The contribution to nursing science is that a clear, cohesive description of the phenomenon allows greater understanding.

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[soda0602]

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