Exploratory Factor Analysis with SAS

Bootstrap Resampling Methods

Bootstrap resampling consists of three basic steps: 1) resampling, 2) replication of analyses, and 3) summarizing the results of the analyses (e.g., via a CI). There are many good references on bootstrap and other resampling techniques. The brief overview here is not meant to be exhaustive, but rather to give enough information for you to understand the rest of the chapter. For more information about these methods, please see Davison & Hinkley (1997).

The bootstrapping process begins by resampling from your original sample. You take your existing sample (say, of 50 participants) and randomly select (with replacement) a certain number of related samples of N=50 based on those original 50 subjects. The procedure is ...