torijacks88 torijacks88

Today at 1:36 PM
Mathematics

Answered

A study took a group of adults and randomly divided them into two groups. One group was told to drink tea every night for a week, while the other group was told not to drink tea that week. Researchers then compared when each group fell asleep. Does this describe an observational research study or an experimental research study?

Answer :

iranipradhan iranipradhan

Today at 1:41 PM

Answer:

2nd one

Step-by-step explanation:

experimental research

Answer Link

MommaBear2012 MommaBear2012

Today at 1:41 PM

Answer:

Observational research

Step-by-step explanation:

What you are doing is seeing how and when they fall asleep, which is called Observational research.

Answer Link

Other Questions

What is the IUPAC name of the aldehyde or ketone produced by the oxidation of butan-1-ol?

In 1971, the 26th Amendment extended suffrage. Which group was the focus of this expansion? 1) Women 2) African American men 3) Citizens between the ages of 18

What was the principal difference between the Virginia Plan and the New Jersey Plan for a new national government? 1) The method of selecting representatives to

In 1971, the 26th Amendment extended suffrage. Which group was the focus of this expansion? 1) Women 2) African American men 3) Citizens between the ages of 18

In a leveraged buyout, the equity capital is generally supplied by . 1) a large number of banks and other lenders 2) a small group of investors, none of whom ar

Name the written test in Florida potential driver must pass and list the minimum required score to earn a learner’s license.

my revision for tomorrow science annual exam pls help me pls answer for all questions

Bantus tribe belong to which country

3. There are two boxes shown in the figure. Which box requires more amount of material to be made?

2(2m-3n)-9n simplfy and expand

Some have argued that Adichie, "addresses colonialism in a more head-on way... it felt like a tribute?"

Is there a separation of nature and nurture, biology and environment, or brain and behavior?

When a job is horizontally loaded by adding to the variety of tasks to be performed, this is known as? 1) Job Enrichment 2) Job Enlargement 3) Job Crafting 4) J

Which statistic is the best unbiased estimator for μ? 1) The mode 2) The median 3) s.s. 4) xÌ„ 5) x

Does the potential energy of the system increase, decrease, or stay the same when 2H₂ + O₂ is broken into 4H + 2O? Explain.

The 1974 Juvenile Justice and Delinquency Prevention Act changed the treatment of youth convicted of status offenses by . 1) automatically expunging status offe

Chanyeol bought 1/2 kilo of apple in the market and Baekyhun gave him 1/2 kilo of apple. How many apples did Chanyeol have?

To get in the habit of including vein in your answers, include the word vein when appropriate?

Angle rqs and tqs are linear pair where angle rqs equal 2x+4 and angle tqs equal 6x+20 solve for x

Simplify (12^0)(12^6). Write your answer using an exponent. Explain how you found your answer. (Question straight from the book)