Books written by Gregory Francis

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  Understanding Statistics and Experimental Design: How to Not Lie with Statistics

  For a standard two sample t-test, the signal to noise ratio is called Cohen's d, which is estimated from data as (see Chap. 3): d = . Cohen's d tells you how easily you can discriminate different means. The mean difference is in the ...

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  BUNDLE: Field

  This bundle contains Andy Field's bestselling textbook Discovering Statistics Using SPSS, Third Edition (ISBN 9781847879066) together with an individual access code for STATLAB Online, the interactive online laboratory where students can ...

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  IntroStats Online

  IntroStats Online by Greg Francis is an introductory-level statistics textbook in an online format, featuring text, extensive practice questions, interactive demonstrations, simulations, and calculators.

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  BUNDLE: Frankfort-Nachmias

  We offer these texts bundled together at a special discount for your students.

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  Visual Masking: Studying Perception, Attention, and Consciousness

  This book is a short format review of research using visual masking: how it has been used, and what these experiments have discovered.Topics covered include concepts, varieties, and theories of masking; masking and microgenetic mechanisms ...

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  STATLAB Online

  STATLAB Online is an innovative new product for Introductory Statistics courses.