Which of the following groups are generally not considered likely to identify as Republican?

Researchers have difficulty studying how race and culture affect behavior because

a. many research participants do not want to identify with specific racial or cultural groups. b. people in different groups do not show any consistent differences. c. the concepts of race and ethnicity are unclear and often defined differently by different people. d. group differences across cultures are more likely to be present than individual differences across differences.

Which of the following statements about reliability and validity are true?

a.) reliability is more important than validity b.) validity is more important than validity c.) a measure can be reliable without being valid d.) a measure can be valid without being reliable