Culminating in a historic victory in 1954, advancement of civil rights for African Americans in the early 20th century came mostly through

A researcher is using a within-subjects design. After condition two (there are a total of three conditions) the researcher notices that the participants are looking bored and restless. off of per

After the third condition, the researcher records a falling off of performance. This is a A) positive practice effect. B) negative practice effect. C) participant effect. D) ordering effect.

The period before a single primary or caucus occurs is called

A) the invisible primary. D) preliminary elections. B) the preliminary primary. E) None of the above C) the invisible caucus.