# Laboratory Experiments in Information Retrieval: Sample Sizes, Effect Sizes, and Statistical Power (Springer, 2018) by Tetsuya Sakai

Springer’s official page for this book

**Last updated: 6th May, 2019**

Jerome White’s Python library based on my book is

here!

## ERRATA

2019/05/06 Thanks to Jerome White for pointing this out.

p.15

Proof of Corollary 6

“Since $\bar{x}

*{1 \bullet}$ and $\bar{x}*{

1 \bullet}$ must also be independent”

->

“Since $\bar{x}

*{1 \bullet}$ and $\bar{x}*{

2 \bullet}$ must also be independent”

2019/05/06 Thanks to Jerome White for pointing this out.

p.21

Corollary 14

“approximati

ng”

->

“approximati

on”

2019/05/06 Thanks to Jerome White for pointing this out.

p.35

Figure 2.3 Row 24 Column D should be V_

d instead of V_

t, like

this.

2019/05/06 Thanks to Jerome White for pointing this out.

p.61

Section 4.2, second para

“rejecting a correct

hull hypothesis”

->

“rejecting a correct

null hypothesis”

2019/05/06 Thanks to Jerome White for pointing this out.

p.72

“Since $\bar{x}

*{3\bullet}-\bar{x}*{1\bullet}=-0.0

383845$”

->

“Since $\bar{x}

*{3\bullet}-\bar{x}*{1\bullet}=-0.083845$”

2019/03/09 Thanks to Jerome White for pointing this out.

p.78

“the difference between Systems 1 and

3 is p=0.4996″

->

“the difference between Systems 1 and

2 is p=0.4996″

2019/03/09

p.79

Fig 4.14 should be replaced with

this one.

(In the current edition, Fig 4.14 is the same as Fig 4.11 on page 76.)