1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
I am Lyosha [343]
3 years ago
9

To test an herbal treatment for depression, 100 volunteers who suffered from mild depression were randomly divided into two grou

ps. Each person was given a month's supply of tea bags. For one group, the tea contained the herb mixed with spice tea, whereas for the other group, the bags contained only the spice tea. Participants were not told which type of tea they had, and were asked to drink one cup of tea per day for a month. At the end of the month, a psychologist evaluated them to determine if their mood had improved. The psychologist did not know which of the subjects had the tea with the herbal ingredient added.
Which is true regarding this study?

This study is an observational study.
This study is double-blind.
The "only spice tea" group serves as the control group.
All of the above are true.
Both (B) and (C) are true.
Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

Both (b) and (C) are true.

This study is double blind and the "only spice tea" group serves as the control group.

You might be interested in
How might you eliminate the x-term from the top equation?
vlada-n [284]

Answer:

D

Step-by-step explanation:

To eliminate x, you need to multiply by 3, then subtract.

Can't explain more! Simple as That!

Hope this helps!

P.S. Stay Safe!

3 0
3 years ago
The sum of the measures of 2 angles is 90o. Angle C is 34o. Angle G is (3x-4)o. What is the value of x?
iragen [17]

Answer:

d if "in2" means /2

Step-by-step explanation:

3x-4<u>=</u><u>9</u><u>0</u><u>-</u><u>3</u><u>4</u>

7 0
3 years ago
What is the slope of the line shown below?
Ne4ueva [31]
The answer is c.2 I hope it’s right
5 0
3 years ago
Read 2 more answers
Can we say that the larvae of the lady bugs will eat approximately 500 fleas per day
levacccp [35]
Well sure, go w that and see what you get
4 0
3 years ago
PLEASE HELP, pictures with for it, and you us waste it ill report you
Marat540 [252]

Answer:

it is C the 4

Step-by-step explanation:

-6 to pos 4

6 0
3 years ago
Other questions:
  • What is the reduced fraction 14/56???
    8·1 answer
  • Printer: $149,18% off
    15·1 answer
  • Need help solving for X
    5·1 answer
  • 3 Complete each statement from the information given and state the reasons and the triangle criterion you used. If the triangles
    5·1 answer
  • Marty wants to reduce 140/360 . He wants to do it in one step.
    7·1 answer
  • What is the rate of change of the function y - 6x + 3?​
    6·2 answers
  • The perimeter of a rectangle is 30 inches. If its length is two times its width, find the dimensions. *
    6·1 answer
  • A stylist charges $20.00 per haircut. The total cost for running her home-based business is $4,000.00 per month, which includes
    7·1 answer
  • 1,800-5*16*4<br> Please answer ASAP
    13·2 answers
  • Please help!!! Which of the following expand (x + y)^5 using Pascal’s Triangle?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!