Marker sets of variables to produce the Big-Five personality-factor structure were studied with over 1,000 college students completing adjective anchored bipolar rating scales or unipolar sets of adjectives. A set of 100 unipolar terms were highly robust across diverse samples of self- and peer-descriptions. (SLD)

To assess cross-observer agreement on personality profiles, an Index of Profile Agreement and an associated coefficient are proposed that take into account both the difference between the ratings and the extremes of their mean. Data from the Revised NEO Personality Inventory for 250 peer ratings/self-reports and 68 spouse ratings/self-reports…