In a design, half of the participants receive only a posttest, and the other half receive both a pretest and a posttest. This is often employed to eliminate some of the common issues with independent groups designs. Group of answer choices

Policies that physically separate a minority group from the dominant group. discrimination cultural pluralism assimilation segregation subjugation genocide stereotype

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

The idea of a progressive income tax, which is still a standard taxing policy in the u. s. today, was aggressively sought by the populist party. select the best answer from the choices provided true or false