Relationship among four big five measures of different length

This study examined the relationship between three short measures of the Big Five. 100 participants completed the 60-item NEO-FFI, the 10-item Personality Inventory, the 5-item Single-Item Measure of Personality, as well as estimating their own NEO-FFI score. Correlations varied from r = .30 to .75. Concerns and advantages of short measures are discussed.