Laney is investigating early language acquisition. She selects a group of 6-month-old babies, and then assesses them every 3 months until they are 2 years old. Laney is using a research design. longitudinal cross-sequential cross-sectional simultaneous

Match each economist to his economic belief. a.) adam smith b.) friedrich von hayek c.) milton friedman d.) john manyard keynes 1.) less government intervention gives more people economic freedom. 2.) government should not control the money supply. 3.) government intervention is necessary for stability. 4.) competition is a regulatory force.

How would having more railroad tracks be advantageous during a war

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?