Summary
Contents
When using the analysis of variance (ANOVA) in an experimental design, how can the researcher determine whether to treat a factor as fixed or random? This book provides the reader with the criteria to make the distinction between fixed and random levels among factors, an important decision that directly reflects the purpose of the research. In addition to exploring the varied roles random factors can play in social research, the authors provide a discussion of the statistical analyses required with random factors and give an overview of computer-assisted analysis of random factor designs using SAS and SPSSX.
Interpretation
Interpretation
Interpretation of results involving random factors differs in certain respects from interpretation involving only fixed factors. These differences follow from the different stances taken toward the levels of fixed and of random factors. Recall that a fixed factor is one whose specific levels are of interest, while a random factor is one ...