The World Bank was created at about the same time as the UN, in ______.

Dr. Beckworth is interested in the effects of tutoring on success in calculus. She also knows that gender is an important issue in math success, so she factors that in as a second independent variable

She randomly assigns males and females to tutoring and no tutoring groups. She studies calculus success in the following four groups of participants: males who have received tutoring, females who have received tutoring, males who have not received tutoring, and females who have not received tutoring. What statistical test should she use to examine her results? a. independent samples t test b. t test for correlation coefficient c. one-way analysis of variance d. two-way analysis of variance

The National Security Act of 1947 created all of the following except

a. the National Military Establishment. c. Central Intelligence Agency (CIA). b. Office of Homeland Security (OHS), d. National Security Council (NSC).