subject
Mathematics, 17.09.2019 15:30 augustusj48

1. you are conducting a study on the effectiveness of a new medication to treat
depression. all participants in your study are known to be suffering from depression
and are randomly assigned to one of four groups who receive four different dosages
(0 mg, 50mg, 100 mg, 200 mg). after they have been taking the drug for 4 months
participants in your study will complete a questionnaire that measures self-reported
depression symptoms on a scale of 0 (no symptoms at all) to 50 (severe symptoms).
a. what is the independent variable? (1 point)
b. what is the dependent variable? (1 point)
c. why would it be important for you to use random assignment to determine
which participants will receive which dosages? (2 points)

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, cameronrandom00
You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
Answers: 1
image
Mathematics, 21.06.2019 23:30, lraesingleton
Which expression gives the exact value of x?
Answers: 3
image
Mathematics, 22.06.2019 00:20, jjxt126
Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120
Answers: 1
image
Mathematics, 22.06.2019 00:50, emmaraeschool
Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.
Answers: 2
You know the right answer?
1. you are conducting a study on the effectiveness of a new medication to treat
depression. al...

Questions in other subjects:

Konu
Geography, 09.12.2019 04:31
Konu
Advanced Placement (AP), 09.12.2019 04:31
Konu
Mathematics, 09.12.2019 04:31
Konu
English, 09.12.2019 04:31