**Chapter 1 **

**Chapter 2**

**Chapter 3**

**Chapter 4**

**Chapter 5**

**Chapter 6**

**Appendix**

**Additional Resources**

Random.Org (p. 4)

*G*Power* (p. 13)

*NCSS* Statistical and Power Analysis Software (p. 13)

Difference Between Two Proportions-Power and Sample Size (p. 21)

*ANOVA*-Power and Sample Size (p. 24)

*Logistic Regression* with Binary Covariate(s)-Power and Sample Size (p. 31)

*Logistic Regression* with Exposure Measurement Error (p. 32)

*SAS Macro *Programs: csmpower (p. 34)

*NIESEM *is a program for calculating user-defined confidence intervals around noncentral fit indices (p. 34)

*Optimal Design Software*-optimal design for longitudinal and multilevel research (p. 37)

*Optimal Design Software Manual* (p. 37)

Compute *CI of a sum, difference, quotient, or product* (p. 43)

Confidence interval calculator for *MS Excel *(p. 43)

Noncentral confidence interval and power calculations (*SPSS* scripts) (p. 44)

Construct confidence interval for *Cohen's d* (*SPSS* script) (p. 44)

Effect size calculator (*MS Excel*) (p. 44)

This page contains two calculators. This page contains calculators for the normal distribution. These calculators can be used instead of a table of the normal distribution. (p. 44)

Calculator for the *confidence interval for the difference between two independent proportions* (p. 45)

Noncentral confidence interval and power calculations (*SPSS* scripts) (p. 46)

Calculate for confidence interval around an *odds ratio* (p. 46)

Calculate confidence intervals around *chi square* (p. 46)

Noncentral confidence interval and power calculations (*SPSS* scripts) (p. 48)

*Statistica* power analysis module (p. 49)

Calculate confidence intervals around *rho *(p. 49)

Calculate the 99%, 95%,and 90% confidence intervals for a regression coefficient (p. 51)

Calculate the 99%, 95%,and 90% confidence intervals for *R-squared *(p. 51)

Calculate an adjusted *R-squared* (p. 51)

*R2* calculates confidence intervals for *R-squared *(p. 51)

*R2* manual [pdf] (p. 51)

Statsoft (*Statistica*) (p. 54)

*DataSim *generates data that conform to user specifications (p. 63)

Random Number Generator (p. 63)

*Simstat* is a program for data analysis and simulation (p. 64)

David Howell's Resampling Statistics page (randomization and the bootstrap) (p. 66)

__The following syntax generates 2,000 cases with three normally distributed variables:__

set seed = 200409281.

input program.

loop #i = 1 to 2000.

compute x_normal = rv.normal(50,15).

compute y_normal = rv.normal(25,7).

compute z_normal = rv.normal(5,2).

end case.

end loop.

end file.

end input program.

formats x_normal (f8.4).

execute.

descriptives variables = x_normal y_normal z_normal /statistics = all.

__The SPSS syntax file for example on pp. 64-65 is as follows:__

DEFINE repsamp ().

!DO !doover = 1 !TO 40.

USE ALL.

do if $casenum = 1.

compute #s_$_1=40.

compute #s_$_2=1000.

end if.

do if #s_$_2 > 0.

compute filter_$ = uniform(1)* #s_$_2 < #s_$_1.

compute #s_$_1 = #s_$_1"filter_$.

compute #s_$_2 = #s_$_2"1.

else.

compute filter_$ = 0.

end if.

VARIABLE LABEL filter_$ "10 from the first 1000 cases (SAMPLE)."

FORMAT filter_$ (f1.0).

FILTER BY filter_$.

T-TEST

GROUPS = group(1 0)

/MISSING = ANALYSIS

/VARIABLES = posttest

/CRITERIA = CI(.95) .

!DOEND.

!ENDDEFINE.

repsamp.

execute.

*Line 5 directs SPSS to dr aw samples of N = 40

*Line 6 defines the number of cases in the sample as 1,000.

There are no www resources listed in this chapter.

*Simstat *is a program for data analysis and simulation (p. 78)

*G*Power* Users Manual (p. 78)

Compute *CI of a sum, difference, quotient, or product* (p. 80)

Difference between two proportions-Power and Sample Size (p. 82)

Calculator for the *confidence interval for the difference between two independent proportions* (p. 85)

Calculate for confidence interval around an *odds ratio* (p. 89)

Calculate confidence intervals around *chi square* (p. 89)

Calculate confidence intervals around *rho* (p. 111)

Calculate the 99%, 95%,and 90% confidence intervals for *R-squared* (p. 112)

Construct confidence interval for *Cohen's d* (*SPSS* script) (p. 132)

Calculator *Student's t*, given a probability and degrees of freedom (p. 132)

David Powell's power analysis webpage (p. 138)

Various statistical programs (p. 144)

*Optimal Design Software* - Optimal design for longitudinal and multilevel research (p. 145)

*OPtimal Design Software Manual* (p. 145)

*G*Power* (p. 145)

*Mx* is a matrix algebra interpreter and numerical optimizer for structural equation modeling and other types of statistical modeling (p. 145)

*PS* is an interactive program for performing power and sample size calculations (p. 145)

Statistical Power Calculator (exe) (p. 145)

Power analysis for *single mean, paired means, and independent means t-tests* (*SPS*S syntax file) (p. 145)

Power analysis for* one and two proportions* (*SPSS* syntax file) (p. 45)

*UnifyPow*-Power analysis (*SAS* script) (p. 146)

*nQuery Advisor *(p. 146)

*Power and Precision* software (p. 146)

*Statistica Power Analysis Module *(p. 146)

*PASS*-Power and Sample Size (p. 146)

Stata (p. 146)

*SAS* (p. 146)

*SPSS* (p. 146)

*S-PLUS* (p. 146)

*Statistica* (p. 146)

Calculator the effect size for multiple regression (f2), given a value of R2 (p. 146)

Calculate the confidence interval for *relative risk* (p. 147)

*Logistic Regression* with Binary Covariate(s)-Power and Sample Size (p. 147)

*Logistic Regression* with Exposure Measurement Error (p. 147)

VassarStats webpage-contains a variety of web-based statistical tools (p. 147)

Calculate sample size for a study comparing means (p. 147)

Web-based sample size calculator (p. 147)

Web-based sample size calculator for a variety of statistical tests (p. 147)

Web-base sample size calculators (p. 147)

http://home.ubalt.edu/ntsbarsh/Business-stat/otherapplets/SampleSize.htm#rproptyp (p. 147)

Researcher's web-based statistical toolkit (p. 148)

Java applets for power and sample size (p. 148)

Probability Distributions and Related Distributions

Calculator for confidence intervals for odds ratio unmatched case control study

Comparing Single Proportion to Known Population

Computer Software for Power Analysis in Covariance Structure Modeling

Distribution Density Calculators, Plotters and RNG's

Calculate sample size necessary to detect the difference between two proportions

Various web-based statistical tools

Free Web Development Resources

Free Web Development Resources - Overview of the Web Color Model

GraphPad QuickCalcs Confidence interval of a SD

Interactive Statistical Calculation Pages

Interactive Statistical Calculation Pages2

Interactive Statistical Calculation Pages

JavaStat"Retrospective Power Calculations

Martindale's Calculators On-Line Center

Martindale's Calculators On-Line Center Statistics - Courses

Noncentral Student CDF Calculator

Power Analysis for ANOVA Designs

Power Slates in HyperCourseware

Power and Sample Size Calculation for Logistic Regression with Binary Covariate(s)

Sample Size Calculations for Logistic Regression with Exposure Measurement Error

Sample Size Calculator by Raosoft, Inc.

Sample Size for Controlled Trials

The Ideas Behind Statistical Power

Java applet that demonstrates features of ANOVA

Victor Bissonnette's Home Page (useful statistical tables and more)

*Data Generator* is a free, open source script written in JavaScript, PHP and MySQL that lets you generatecustom data in a variety of formats.

Calculate combinations and permutations

*Raynald's SPSS Tools *contains 675 plus examples of syntax, macros, and scripts

Easy Calculation.com-Online Statistics Calculators for mean, median, mode, standard deviation, geometric mean, grouped data arithmetic mean, class interval arithmetic mean, root mean square, correlation coefficient, regression, harmonic mean.