A researcher wants to know if giving students chocolate before an exam will improve their scores. Two groups of students take the exam, but only one group gets chocolate first. What is the independent variable in this experiment?

Answers

Answer 1
Answer:

Answer:

Chocolate (Independent variable)

Explanation:

The independent variable is manipulative. The experimenter can manipulate it. It produces one or more results in a study called the dependent variable. It is called the independent variable because its variation doesn't depend on another variable in an experiment. The independent variable can be controlled or manipulated only by the researcher or experimenter.  

For example:

Amount of water and fertilizer provide a tree. Water and fertilizer is an (independent variable) which can be manipulated by the experimenter.  

Result: Height of the tree depends on water and fertilizer quantity (dependent variable) which can not be manipulated by researcher.


Related Questions

You are a governor. A bill that recently passed the state senate is on your desk, and you don't like it. Explain what you can do in each of the following three scenarios.1. You don't like the whole bill. 2. You don't like certain parts of the bill. 3. You want to speak with the state legislature before signing the bill.
The African American who took a stand against segregation and brought about the Civil Rights Movement was ______.
Why do you think that many Americans think the first amendment is the most important amendment?.
What branch of Earth science studies the weather?
Edward suffers from an extreme case of unhappiness, low self-esteem, and hopelessness. Despite drug therapy he has begun talking about suicide. Her therapist suggests the next treatment should be:

Stages that living things go through as they develop are called life

Answers

Stages that living things go through as they develop are usually called life periods or life epochs, depending on the author you wold read. But the basic idea behind is that there are a few different life periods through which most people go through - childhood adolesence, adulthood, and late adulthood. Each of them has their own characteristic.

Mexico is found _____
of the United States.

Answers

Answer:

south

Explanation:

Mexico is found North of the United States

Controls given to one branch of government to limit the power of another branch are known asA. popular sovereignty.
B. appellate jurisdiction.
C. checks and balances.
D. basic rights.

Answers

C. Check and Balances
They check and limit the power

What might happen if an economy is unable to produce wanted goods and services?a.people will go without them.
b.people will look elsewhere for them.
c.people will stop wanting them.
d.people will focus on needs instead.

Answers

The correct answer for the given question above would be option B. The one that might happen if an economy is unable to produce wanted goods and services is that, people will look elsewhere for them. Since it is a want, people have the urge of acquiring it, so the only way they can do that is to look elsewhere. Hope this answer helps.

If an economy fails to produce wanted goods and services, people will look elsewhere for them.

Option B is correct.

What are goods and services?

The goods and services are the output of an economic system. These kinds of goods are important items used or consumed in day to day activities by people in a certain nation.

On the other hand, the services are activities performed by a group of people for an employer to arrive at a desired outcome.

  • However, if an economy is unable to produce wanted goods and services for a the people of a certain nation, they will look elsewhere for them.

Learn more about goods and services here:
brainly.com/question/24398796

When sociologists' group people into categories based on their age, gender, education level, job and income, they are trying to determine _____ A)social network B) social location
C) social personality
D) social skills

Answers

The right answer for the question that is being asked and shown above is that: "C) social personality" When sociologists' group people into categories based on their age, gender, education level, job and income, they are trying to determine social personality 

Is this statement true or false? Although the people of Argentina were wary of their dictator, Juan Peron, they were willing to tolerate him because they loved Eva Peron and demanded she become vice president.a. Trueb. False

Answers

The given statement is "true".

Explanation:

"Eva Peron" was more loved by the public of Argentina although they were cautious about their dictator Juan Peron because, she campaigned a lot for the "rights of descamisados" and she gained huge popularity while she was campaigning for her husband during 1946 presidential elections. She worked for women's suffrage, for improving working conditions and wages for poor workers etc. She was entitled with the “First Lady of Argentina” being spouse of Juan Peron in 1951 finally, she stated her candidacy for "Peronist nomination" for the office of "Vice President of Argentina". This resulted due to her image and efforts she made for Argentina development, this was the reason that she achieved “Spiritual Leader of the Nation” title.