Institution: | 1. Department of Psychology , Texas Tech University , Lubbock, Texas, 79409‐4100, U.S.A.;2. Department of Sociology , Texas Tech University , Lubbock, Texas, 79409‐4590, U.S.A.;3. Department of Mathematics , Texas Tech University , Lubbock, Texas, 79409‐4319, U.S.A. |