Statistical Theory

# Nursing theories

##### open access articles on nursing theories and models ## Statistical Theory

#### Introduction

• Statistical theory is the basis for the techniques in study design and data analysis.
• It covers approaches to statistical decision-making and statistics inference.
• It gives ways of comparing statistical procedures.
• Statistical theory is based on mathematical statistics.
• It is linked to probability theory, utility theory, decision theory and optimization.
• It provides a guide to comparing methods of data collection.

#### Major Concepts

• Basic concepts to this theory includes the interpretation of probability as describing uncertain knowledge (i.e., Bayesian probability) is central.
• Based on sampling theory, significant difference(p<0.05) between the two groups will occur in 1:20 cases of assigning participants to groups.

#### Application

• To explain cause-and-effect  phenomena.
• To relate research with real-world event.
• To predict/forecast the real-world phenomena based on research
• Finding answers to a particular problem.
• Making conclusions about real-world event based on the problem
• Learning a lesson from the problem.

#### Conclusion

• Statistical theory helps to choose between actions, so that the outcome is likely to be as good as possible, in situations with uncertainty.

#### References

Wiggins R. L. (2010). Statistical Theory. General Books LLC, Memphis.