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Statistics beyond the absolute basics

Contents


1.  Introduction


2. Web sources and programs


3. Types of data


4. Variables


5. Descriptive statistics


6. The shape of distributions


7. Distinguishing groups, the t-test


8. Correlations


9. Chi Square


10. Choosing a test


11. Significance – the traditional viewpoint


12. The new statistics


13. Confidence intervals and confidence levels


14. Effect size


15. Power


16. Conclusions


References


Appendix 1. Validity and reliability

Appendix 2. Type I and Type II error