Reach correct conclusions with small samples and rare occurrences in large databases

Analyse your data more completely using SPSS Exact Tests^TM. This add-on module for SPSS gives you what's needed to more accurately work with small samples and analyze rare occurrences in large databases.

Use small samples credibly

With instances where a large sample size is impossible or costly, SPSS Exact Tests enables you to use small samples and still feel confident about the results. With the money saved using smaller sample sizes, you can conduct surveys or test direct marketing programs more often. Stay ahead of the competition when you have more resources to find new opportunities through larger research studies.

Easily calculate and apply exact tests

Calculate SPSS Exact Tests anytime with the click of a button -- during your original analysis or when you rerun it. And, you can rely on SPSS Exact Tests even when you're searching for rare occurrences within large datasets.

You'll always have the right statistical test for your data situation. SPSS Exact Tests gives you more than 30 exact tests, which cover the entire spectrum of nonparametric and categorical data problems for small or large datasets. These tests include one-sample, two-sample and K-sample tests on independent or related samples, goodness-of-fit tests, tests of independence in RxC contingency tables and on measures of association.

More statistics for data analysis

Expand SPSS® Base's capabilities for the data analysis stage in the analytical process. Using SPSS Exact Tests^TM with SPSS Base gives you an even wider range of statistics so you can get the most accurate response when:

• Working with a small number of cases

• Variables with a high percentage of response in one category

• Sub-setting your data into fine breakdowns

• Searching for rare occurrences in large datasets (such as sales above $1 million)

SPSS Exact Tests easily plugs into SPSS Base so you can seamlessly work in the SPSS environment.

Get more value from your data With SPSS Exact Tests, you can slice and dice your data into breakdowns, which can be as fine as you want, so you learn more by extending your analysis to subgroups. You aren't limited by required expected counts of five or more per cell for correct results.

Keep your original categories Don't lose valuable information by collapsing categories to meet the assumptions of traditional tests. With SPSS Exact Tests, you can keep your original design or natural categories — for example, regions, income, age groups — and analyze what you intended to analyse.

SPSS Exact Tests has the tests and statistics you need get the most for your small samples and rare occurrences within large databases. These procedures include:

• Pearson Chi-squared test

• Linear-by-linear association test

• Contingency coefficient

• Uncertainty coefficient - symmetric or asymmetric

• Wilcoxon signed-rank test

• Cochran's Q test

• Binomial test

• And many more

SPSS Exact Tests^TM system requirements

• SPSS® Base

• 3.3MB hard drive space

• Other system requirements vary according to platform