A Step-by-Step Guide to Exploratory Factor Analysis with R and RStudio
1 Introduction 1 2 Data 7 3 R and RStudio Software 11 4 Importing and Saving Data and Results 22 5 Decision Steps in Exploratory Factor Analysis 31 6 Step 1: Variables to Include 34 7 Step 2: Participants 37 8 Step 3: Data Screening 41 9 Step 4: Is Exploratory Factor Analysis Appropriate 59 10 Step 5: Factor Analysis Model 63 11 Step 6: Factor Extraction Method 67 12 Step 7: How Many Factors to Retain 73 13 Step 8: Rotate Factors 83 14 Step 9: Interpret Exploratory Factor Analysis Results 89
15 Step 10: Report Exploratory Factor Analysis Results 104 16 Exploratory Factor Analysis with Categorical Variables 108 17 Higher-Order and Bifactor Models 126 18 Exploratory versus Confirmatory Factor Analysis 135