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Studentka2010 [4]
2 years ago
5

Want to reduce the likelihood of any preexisting differences between the groups of participants assigned to different conditions

in an experiment you should use
Social Studies
1 answer:
Veseljchak [2.6K]2 years ago
4 0
You should use <span>Research participants that are randomly assigned to different groups. This random assignments will help to </span><span>ensure that the results of the researc are not deceptive. Due to the sensitive nature of its data, almost all Clinical research are carried out with this type of assignments.</span>
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In six years, jill will be twice amanda’s age. one year ago, jill was nine times amanda’s age. how old is jill now?
nydimaria [60]
Jill = J
Amanda = A

J + 6 = 2 (A+6)   ..... .........................   J + 6 = 2A + 12
J -1 = 9 (A-1)       ...............................   J - 1  = 9A -9___      (- )   

We need to elimiate both of <span>those formula</span> , the result will be
7 = -7A + 21
7A= 14
A = 2  >>>>> subtitute this to any formula above

So, Jill's age now would be:  
J + 6 = 2 (A+6)
J + 6 = 2 (2+6)
J + 6 = 16
J = 10
6 0
2 years ago
Doug and tasha are learning about behavior problems. doug says behavior problems occur when socialization isn't performed during
Dmitry_Shevchenko [17]

Answer:

Both of them are correct

Explanation:

Behavioral problems are caused by things that stress up an individual animal inclusive . It causes problem in gathering on how they are able to relate and its often affect animals at a young age. The two scenario us are a result of behavioral problem.

Some of the signs of behavioral disorder could include inability to relate, lack of concentration, secluction from gatherings as with animal that cannot socialize because he was not been taught.

The animal got stressed up finding it difficult to please its boss, he hardly concentrate on been able to please his boss. Behavior disorder can be worked upon especially when the animal is young to help him have a normal life. The individual is taught how to relate with other animals, social activities this helps overcome disorder

8 0
2 years ago
Read 2 more answers
Nio conducts a science experiment. He puts yeast into a bottle with water and sugar, and then caps the bottle with a balloon. He
Taya2010 [7]

Answer:

The correct answer is c) a chemical change, because a gas was produced.

Explanation:

Sometimes when performing scientific experiments in laboratories, chemical changes are obtained in the elements that have been used, a chemical change is an alteration in the structure of a compound, so the element is different than at the beginning of the experiment.

Generally, when there is a chemical change this is usually irreversible; For example, in the case of Nio, he experiments with yeast, water, and sugar, which puts it in a bottle and closes it with a balloon, this mixture of substances has resulted in a chemical change since the element is transformed in gas.

<em>I hope this  information can help you.</em>

3 0
1 year ago
Read 2 more answers
Africa is separated from Europe by the Atlantic Ocean. Mediterranean Sea. Sahara Desert. Indian Ocean.
gulaghasi [49]

The Mediterranean Sea

6 0
1 year ago
Read 2 more answers
Before Troy can incorporate his advertising business in Champaign, Illinois, he must have a(n) ____ approved by the ____.
xxMikexx [17]

Answer:

Article of incorporation, secretary of state of Illinois

Explanation:

Before incorporating the advertising company in Illinois Troy need to have an Article of incorporation. it is a legal document that needs to deposit in the government agency to legalized the incorporation.  

This document includes information like company name, address, agent name, stock information. All this information need to be submitted to government officials and must be approved by the secretary of state of Illinois

6 0
2 years ago
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