In polling, the "Bradley Effect" is: Select one:
a. A concept that attempts to explain discrepancies between voter opinion polls and outcomes in elections.
b. A concept that attempts to explain similarities between voter opinion polls and outcomes in elections.
c. A concept that attempts to justify the need of polling ahead of election.
d. A concept that relates to the Democratic US Senator and presidential candidate Bill Bradley.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

because their parents smoke while in labor