This bestselling textbook is designed to help students understand parametric and nonparametric statistical methods so that they can tackle research problems successfully. By working through this book carefully and systematically, those who may not have a strong background in mathematics will gain a thorough grasp of the most widely used statistical methods in the social sciences.

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Design 4

Design 4

One group—multi-treatment (trials): treatments as independent variable

GroupAfter treatment 1After treatment 2After treatment 3After treatment 4
Subjects AXA1XA2XA3XA4
BXB1XB2XB3XB4
CXC1XC2XC3XC4
DXD1XD2XD3XD4

15.1 Using ONE-WAY ANALYSIS OF VARIANCE FOR CORRELATED MEANS (with repeated measures on the same sample or separate measures on matched samples)

Analysis of variance techniques are designed to test differences between the ...

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