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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Psychol Aging. 2010 Mar;25(1):60–73. doi: 10.1037/a0018748

Table 1. Data Collection Dates, Mean Scores (Standard Deviations) and Range for Five Openness Measurement Occasions.

Openness Measurement Occasion

Q1
(1984)
Q2
(1987)
Q3
(1990)
Q4
(1993)
Q5
(2003)
N
 Males 290 307 277 278 168
 Females 388 432 413 392 259
Mean
 Males 17.75 (3.83) 17.64 (3.93) 17.51 (4.11) 17.88 (3.86) 17.99 (4.06)
 Females 18.05 (4.08) 17.96 (4.40) 18.08 (4.56) 17.73 (4.61) 18.03 (4.14)
Range
 Males 6-28 6-28 6-29 6-28 6-27
 Females 6-30 7-30 6-30 6-30 6-30