As an element of an experiment to test the effectiveness of a drug for depression, one group of participants receives a pill that does not contain any active ingredients. the inclusion of these participants most directly indicates that the experiment involves:

Which option below best represents what is included in the calculation of the united states gross domestic product (gdp)? a. 1 b. 2 c. 3 d. 4

Part b forty-year-old kyle wants to start investing for retirement. he wants to select a personal investment plan that will allow him to withdraw funds without paying penalties and taxes once he turns 59.5. which retirement plan should he choose? a. traditional ira b. roth ira c. 401(k)

Ais a group of people living and working under a set of rules and traditions.