Chapter 2 Research Questions, Hypothesis, And Clinical Questions

Question 1

In quantitative studies research questions focus on

Answer 1

Describing variables
Specifying the population being studied
Examining testable relationships among variables
Hypothesis attempts to answer the research question

Question 2

Qualitative study focuses on

Answer 2

The phenomenon of interest
The stakeholders
The theoretical framework or the worldview of the researcher that guides the inquiry

Question 3

Research questions should

Answer 3

Define the specific question area
Reflect a review of the literature
Identify the potential significance to nursing
Reflect the feasibility of studying the research questions or problem

Question 4

Casual relationships (quantitative)

Answer 4

Changes in X don’t always change Y

Can’t be assumed that X caused Y

Question 5

Directional hypothesis

Answer 5

Predicts the expected direction of the relationship between X and Y

Question 6

Nondirectional

Answer 6

Does not predict the anticipated direction of the relationship between X and Y

Question 7

Developing a quantitative clinical question

Answer 7

PICO
Pop
Intervention
Comparison
Outcome

Question 8

Which is a ‘good’ hypothesis when X is independent and Y is dependent?

Answer 8

X will significantly improve Y only is Z exists

Question 9

The nurse states the purpose of a research study as “this study will compare the effect of warm and cold applications on the resolution of IV infiltration in hospitalized older-adult patients in the early postperative period.” In this statement, what constitutes the independent variables?

Answer 9

Resolution of intravenous fluids