Social Studies, 31.07.2019 13:00 gmanbom
One hundred volunteers who suffer from severe depression are available for a study. fifty are selected at random and are given a new drug, which is thought to be particularly effective in treating severe depression. the other 50 are given an existing drug for treating severe depression. a psychiatrist evaluates the symptoms of all volunteers after four weeks in order to determine if there has been substantial improvement in the severity of the depression. reference: ref 3-10 the factor in this study is a. the extent to which the depression was reduced. b. the use of randomization and the fact that this was a comparative study. c. which drug the volunteers receive. d. the use of a psychiatrist to evaluate the severity of depression.
Answers: 1
Social Studies, 22.06.2019 02:30
An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends
Answers: 1
Social Studies, 22.06.2019 20:40
How has our understanding of the first sentence of the declaration of independence changed over time?
Answers: 3
Social Studies, 22.06.2019 22:30
Why did working women earn one-thrid to one-half as much as men
Answers: 2
One hundred volunteers who suffer from severe depression are available for a study. fifty are select...
History, 13.03.2021 02:50
Mathematics, 13.03.2021 03:00
Mathematics, 13.03.2021 03:00
Mathematics, 13.03.2021 03:00
Mathematics, 13.03.2021 03:00
Mathematics, 13.03.2021 03:00
Mathematics, 13.03.2021 03:00