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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Int Neuropsychol Soc. 2017 Oct 16;24(3):283–293. doi: 10.1017/S135561771700090X

Table 1.

Demographic Characteristics

Placebo 10mg Amphetamine 20mg Amphetamine
Sex
 Male 15 7 12
 Female 14 9 12
Ethnicity (%)
 Hispanic or Latino 31.0 31.3 25.0
 Not Hispanic or Latino 69.0 68.8 75.0
Race (%)
 Caucasian 62.1 50.0 54.2
 African American 13.8 8.3
 Asian 24.1 43.8 37.5
 Multiracial 6.3
Age (years) 23.4 22.4 23.0
Years of Education 14.8 15.7 15.2