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​​​​​​​​Power and Precision 統計分析軟體 ​​​​powerandprecision.jpg
Power and Precision 是一個統計檢定能力分析套裝軟體用來計算樣本數大小。

Power and Precision is a stand-alone statistical power analysis software package that is used for the calculation of a sample size for a planned study. The program features an unusually clear interface, and many tools to assist the user in developing an understanding of power analysis. It incorporates the ability to create tables, graphs, and reports with a single click.
  • Interactive guide walks you through all the steps in the power analysis
  • Modify any element in the study and immediately see the impact on power
  • Use a wide array of tools to visualize the effect size and to understand the impact of alpha, effect size, and sample size
  • The program generates a lucid, comprehensive report that explains the study design, assumptions, and power.
  • The report serves as a teaching tool and may also be used in the statistics section of a study proposal or grant application
  • Export to Word™ or other word processing program.
  • Get the big picture in just seconds! Use graphs to quickly evaluate any number of options for study design.
  • Export to Word™, Excel™, PowerPoint™ and other programs.
  • Include the graphs in your presentation or grant application to justify your selection of a sample size.