The most economically diversified region in Texas is the

Which of the following individuals MOST likely voted for Republican Mitt Romney rather than Democrat Barack Obama in the 2012 presidential election?

a. Rebecca, a Jewish schoolteacher b. Alan, a white college-educated businessman c. Ericka, an African American store manager d. Lowell, a union shop factory foreman

Which of the following threats to internal validity is most likely to be a problem in the nonequivalent comparison group design?

a. history b. maturation c. selection bias d. all of the above are potential problems