Congress generally reflects the gender and ethnic ratios of the population

What kind of effect can you examine with a two-way analysis of variance that you could not examine if you conducted multiple one-way analyses?

a. the way in which each treatment effect increases as you add more independent variables b. the interaction effect of the two ndependent variables c. the degree to which either independent variable alone changes performance on the dependent variable d. which group(s) performed significantly better or worse than other group(s)

Discuss the birth and evolution of the affirmative action movement in the United States. What inspired the birth of affirmative action efforts? Why has it often proven to be so controversial? What role has the Supreme Court played in the debate? What is the status of the movement today?

What will be an ideal response?