Summary
Contents
Subject index
Bruce Frey’s There’s a Stat for That! is a brief, straightforward, and to-the-point guide to deciding which statistical analysis to use and when to use it. Designed for consultants, researchers, students, and those who already have the resources to tell them how to perform the analyses, this text explains why a particular statistical approach is the right one to use. The book affirms that regardless of the group design, once the variables are chosen and the measurement strategy is worked out, one can rest assured that there is a stat for that!
Two-Way Analysis of Variance
Two-Way Analysis of Variance
Independent Variables | 2 |
Level of Measurement | Nominal |
Number of Levels | 2+ |
Number of Groups | 2+ |
Dependent Variables | 1 |
Level of Measurement | Interval |
Number of Levels | Many |
Measurement Occasions | 1 |
Research Design
A two-way analysis of variance is used when groups of people (or things) are compared on the same interval level dependent variable. It differs from a regular analysis of variance because there are two independent variables, not just one. Two-way refers to the two independent variables. In addition to seeing if the dependent variable differs for either of the independent variables, a two-way analysis of variance also looks to see if the relationship between one independent variable and the outcome depends on which level you’re at on the other independent variable. This phenomenon, where the effect of one independent variable depends on the ...
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