A researcher is interested in the effects of a vegetarian diet on memory. One group eats a strict vegetarian diet for three months, a second group eats a strict vegan diet for three months, while a third group eats anything they want for three months. After three months, all participants are given a memory test. Results indicated that memory was is better for both the vegetarian and vegan groups. In this study, the independent variable is:

Choose the statements that correctly describe the electoral college. 1. not all states get the same number of electoral votes. 2. there are 538 members of the electoral college. 3. members of congress are part of the electoral college. 4. to become president, a candidate must get a majority of the electoral votes. 5. a candidate needs 270 electoral votes to win an election. 6. the electoral college is used the elect all national government offices.