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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Behav Genet. 2013 Sep 25;43(6):480–490. doi: 10.1007/s10519-013-9615-9

Table 2.

The proportion of variance in lack of planning and sensation seeking attributed to genetic and environmental factors.

Females
 Males
Phenotypes Additive
Genetic		 Shared
Environment		 Unshared
Environment		 Additive
Genetic		 Shared
Environment		 Unshared
Environment
Lack of Planning Factor a .21 (−.06, .48) .11 (−.12, .34) .68 (.60, .77) .38 (.29, .48) .00 (.00, .00) .62 (.52, .71)
MPQ Control Scale .25 (−.02, .51) .09 (−.14, .31) .67 (.59, .75) .43 (.34, .52) .00 (.00, .00) .57 (.48, .66)
Sensation Seeking Factor a .46 (.22, .69) .03 (−.18, .24) .51 (.45, .58) .36 (.05, .66) .15 (−.13, .43) .49 (.41, .57)
ZSS Total .55 (.30, .80) .03 (−.20, .26) .42 (.36, .49) .34 (−.04, .72) .15 (−.20, .50) .51 (.42, .60)

Notes: MPQ=Multidimensional Personality Questionnaire (Tellegen, 1982); ZSS=Zuckerman Sensation Seeking Scale (Zuckerman, 1964)

a

The Lack of planning factor and sensation seeking factor were both derived from factor analyses conducted in the current study.