Mathematics, 22.04.2021 20:00 ninjaben
One hundred volunteers who have agoraphobia (fear of open and crowded space) are available for a study. Fifty are selected at random and are given the drug imipramine, which is believed to be effective in treating agoraphobia. The other 50 are given a placebo. A psychiatrist evaluates the symptoms of all volunteers after two months to determine if there has been substantial improvement in the severity of their symptoms.
What type of study is this?
A. Matched pair design
B. Observational study
C. Completely randomized block design
D. Completely randomized design
Answers: 3
Mathematics, 21.06.2019 17:40
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =
Answers: 1
Mathematics, 21.06.2019 23:30
Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180
Answers: 2
Mathematics, 22.06.2019 03:30
Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.
Answers: 1
Mathematics, 22.06.2019 04:20
The range of the following relation r {(3, -5), (1, 2), (-1, -4), (-1, 2)} is (1 point){-4, -5, 2, 2){-1, 1, 3){-1,-1,1,3){-5, -4,2)
Answers: 1
One hundred volunteers who have agoraphobia (fear of open and crowded space) are available for a stu...
French, 28.03.2020 14:03
Mathematics, 28.03.2020 14:05
History, 28.03.2020 14:06
Mathematics, 28.03.2020 14:06
Mathematics, 28.03.2020 14:06
Business, 28.03.2020 14:08
Business, 28.03.2020 14:11
History, 28.03.2020 14:24
Mathematics, 28.03.2020 14:24
Biology, 28.03.2020 14:24