Mathematics, 06.03.2020 04:12 abomb6292
A study examined the effect of garlic on blood cholesterol levels. A total of 192 subjects with starting LDL ("bad cholesterol") levels between 130 and 190 mg/dl were randomly assigned to one of the four treatments for six months: raw garlic eaten daily, a powdered garlic supplement taken daily (Garlicin brand), an aged-garlic extract taken daily (Kyolic brand), or a placebo pill taken daily.
The study found no significant or clinical differences in blood cholesterol levels between the four groups at the end of the study.
Which of the following principles of experiments was used in this study?
A) Randomization
B) Blinding
C) Blocking
D) All of these answers are correct
Answers: 3
Mathematics, 21.06.2019 20:30, aavil5659
Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?
Answers: 1
Mathematics, 21.06.2019 23:40, christinasmith9633
30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.
Answers: 1
A study examined the effect of garlic on blood cholesterol levels. A total of 192 subjects with star...
Mathematics, 18.06.2021 04:20
Mathematics, 18.06.2021 04:20