Chapter 13

Goals, Power, and Sample Size

Contents

13.1 The Will to Power

13.1.1 Goals and Obstacles

13.1.2 Power

13.1.3 Sample Size

13.1.4 Other Expressions of Goals

13.2 Sample Size for a Single Coin

13.2.1 When the Goal Is to Exclude a Null Value

13.2.2 When the Goal Is Precision

13.3 Sample Size for Multiple Mints

13.4 Power: Prospective, Retrospective, and Replication

13.4.1 Power Analysis Requires Verisimilitude of Simulated Data

13.5 The Importance of Planning

13.6 R Code

13.6.1 Sample Size for a Single Coin

13.6.2 Power and Sample Size for Multiple Mints

13.7 Exercises

Just how many times must I show her I care,

Until she believes that I’ll always be there?

Well, while she denies that my value’s enough,

I’ll have to rely on the power of ...

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