Written in an accessible style using simple and direct language, Communication Research Statistics guides students through the statistics actually used in most empirical research in communication and the social sciences. This book is the only work in communication that includes details on statistical analysis of data with a full set of data analysis instructions based on SPSS 12 and Excel.

Extensions of Multiple Regression Correlation

Extensions of Multiple Regression Correlation
  • Using Categorical Predictors 381
    • Dummy or Indicator Predictors 382
    • Effects Coding 384
    • Contrast Coding 385
  • Contrasting Full and Reduced Models: Hierarchical Analysis 388
  • Interaction Effects 389
    • Creating Interaction Terms 390
    • Testing Interactions 394
  • Examining Nonlinear Effects 396
    • Identifying Nonlinear Patterns 396
    • Curve Fitting Through SPSS 400

Multiple regression correlation is a highly versatile family of tools. This ...

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