Suppose a researcher is performing an experiment on children. She tests the children on one level of the independent variable at the beginning of the school year, but cannot return to test the second level until mid-April, when the school year is almost completed. What threat to internal validity may be a problem

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Answer 1

Answer:

The answer is "Maturation".

Explanation:

When we develop and evolve, we go thru a process called maturity. There are many different types of maturity, including physical and cognitive. As people age, our bodies expand and change, and it is called physical maturity. Cerebral maturity is the mechanism by which our sufficient detail increases as people mature. The educators should share, discuss, and agree upon their goals for student accomplishment and advancement.


Related Questions

The correct way to sign the color of ivory/cream is to: Group of answer choices fingerspell IVORY or CREAM. sign WHITE and raise your eyebrows along with normal sign movement. sign WHITE and frown/eye squinted along with normal sign movement. sign WHITE and eye widened along with big one movement.

Answers

The correct way to sign the color of ivory/cream is to "sign WHITE and frown/eye squinted along with normal sign movement."

According to American Sign Language, ASL, Sign Language Dictionary, to sign an Ivory is to use a shade of white the color of bleached bones. This is because the original color of the ivory which is derived from Elephant is white in color

Hence, the correct way to sign the color of ivory/cream is to "sign WHITE and frown/eye squinted along with normal sign movement."

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"If a nation is rich in resources then it can be developed! Justify this statement. ​

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Answer:

It would be a fair assumption to make that a country with a large amount of natural resources would be more likely to develop fastest and furthest. This could be assumed because natural resources in a country would be likely to stimulate trade at first within that country, and later to outside countries.

Answer:

I hope it helped u

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Explain 2 challenges that the childhood cancer foundation has experienced

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Lack of an increasingly broad spectrum expertise and resources.

que es un multiplo ayuda xd

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Answer:

La ayuda múltiple puede variar significa que recibe ayuda de cualquier persona o fuente.

Explanation:

Before her husband became president, Eleanor Roosevelt had been a teacher, a writer, and a radio announcer. After moving to the White House, Mrs. Roosevelt wanted to continue the work she had always done. She was more visible than any first lady before her, talking to reporters, writing for a magazine, and giving speeches. She changed the public's view of what presidents' wives could do. Mrs. Roosevelt championed her husband's causes. However, she also used her visibility to support causes that were important to her. She championed the rights of the poor, the homeless, African Americans, and women.

Do It!

Eleanor Roosevelt _________ the role of first lady.

Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
A expanded
B requested
C disliked
D inherited

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A
I think its the answer
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In the United States all levels of government-- local federal are allowed to collect taxes that makes taxation what kind of power?

Concurrent
Expressed
Reserved
Implied

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The answer is A - concurrent.

The power is concurrent power.

If you were standing nearby when the chunk of ice hit the water, you would probably see and hear a big splash. Identify at least one energy transfer and one energy transformation taking place at that moment.

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Answer:

Potential energy is transformed into sound energy.

Explanation:

Potential energy is transformed into sound energy when the chunk of ice hit the water. The chunk of ice fall from a height which has a potential energy when the chunk of ice hits the water, the potential energy of chunk of ice change into sound energy so that's why the chunk of ice produces sound after hitting the water and we hear a big splash and see a big blast of water.

In Biblical times, chariots and carts were widespread in the Middle East, but by the 6th century, the old Roman roads had deteriorated so much that wheeled vehicles were replaced by camels. This illustrates that the processes of change is sometimes due to ___. Group of answer choices primary innovation revitalization secondary innovation cultural loss

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Answer:

maybe erosion?

Explanation:

it's when thing wear away over time typically stone or stone like things

why is it difficulty to stop drug trafficking ​

Answers

Answer:

because the officials are unable to catch the criminals of their country outside the country and they also escape easily from strict airport check-ups.

It is difficult to stop drug trafficking because doing so earns a lot of money, so people often find ways to bypass the police.

ITS IN THE PICTURE !!!!!!

Answers

Answer:

A

.................................................

Explanation:

What are the effect caused due to conflict ?

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Answer:

poor public relation

communication problems

personality difference

resource allocation and scarce

task independencies

overlapping authority

causes destruction and limits

market transaction

become frustrated

problem of sleeping

loss of appetite

headaches

differentiate between religious tolerance and secularism​

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Answer:

 tolerance means to accept different Nature of religious and social characteristics comfortably. Secularism is a state having no official or state religion.

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how Democracy do
improve the quality of decision making?​

Answers

Democracy allows for citizens to create a nation in which they can choose a better environment. Without it, most people will feel as if the government they are living in is unfair.

To find hot sauce in a large grocery store, you could systematically search every shelf in every store aisle. This best illustrates problem solving by means of the availability heuristic. functional fixedness. the representativeness heuristic. an algorithm. mental set.

Answers

Answer: An algorithm

Explanation:

Algorithm could be described as a way of carrying out a process through following instructions strictly. It's a systematic way of going about a process.

The problem solving method that involves the systemic search is called An algorithm

The Trinity Gods are related with Hindu religion Buddishm religion Christian religion Islam religion​

Answers

Answer: The Trinity Gods are related to Christian Religion.

the three persons of the Trinity are the Father, Son, and the Holy Spirit.

God is the one in essence and three in person.

Hope it helps u

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How is society formed Write any 3 ways to its formAtion

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Answer:

The formation of society takes place through the interaction of different norms, rituals, and cultures. People from different cultures and norms possess different and varied values that help to build a new society. ... The exchange of art, beliefs, laws, and customs leads to the formation of society

Explanation:

Answer:

Explanation:

The formation of society takes place through the interaction of different norms, rituals, and cultures. People from different cultures and norms possess different and varied values that help to build a new society. ... The exchange of art, beliefs, laws, and customs leads to the formation of society.

The formation of society takes place through the interaction of different norms, rituals, and cultures.

1. People from different cultures and norms possess different and varied values that help to build a new society.

2. Society and culture have a great relationship with each other.

3. People cooperate and interact with each other at different levels.

4. The exchange of art, beliefs, laws, and customs leads to the formation of society.

The Nepalese have the trend of working in foreign countries for long. What might be the benefits and drawbacks of brain drain? Point out three for each.​

Answers

Answer:

benifits

# we can learn new skills and implement in our country

# import of foreign currency

# make new ideology of markets and agriculture

drawbacks

# people may forget nepalese culture

# they may settle in foreign

# nelalese tradition may eloped

mention any five strategies related to Road taken by the 13th five year plan.

Answers

Answer:

Five-Year Plans of Nepal generally strove to increase output and employment; develop the infrastructure; attain economic stability; promote industry, commerce, and international trade; establish administrative and public service institutions to support economic development; and also introduce labor-intensive production techniques to alleviate underemployment. The social goals of the plans were improving health and education as well as encouraging equitable income distribution. Although each plan had different development priorities, the allocation of resources did not always reflect these priorities. The first four plans concentrated on infrastructure—to make it possible to facilitate the movement of goods and services—and to increase the size of the market. Each of the five-year plans depended heavily on foreign assistance in the forms of grants and loans

Explanation:

First Five-Year Plan

The First Five-Year Plan(1956–61) allocated Rs 330 million for development expenditures of which Rs 220 million were funded by international donors, partly under the Colombo Plan. Transportation received top priority with almost 30% of the budget allocation but rural development, including agriculture, village development, irrigation and forestry also received significant amounts.

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There are four main types of economic systems in use today.
In a economy, people generally produce what they need to survive.
A economy is a system in which resources and means of production are controlled by the government.
In a economy, supply and demand dictate production, distribution, and investment decisions.
Finally, a combination of market and command systems is found in a economy, in which free markets exist with some government intervention.

Answers

Explanation:

Economic systems can be categorized into four main types: traditional economies, command economies, mixed economies, and market economies.

Abraham trained a rat to run up a set of miniature steps whenever he plays the theme song to a specific movie by giving the rat treats at the same time as the song is playing. After acquisition, if Abraham were to present the song but no longer provide the treats, the rat's behavior would show:

Answers

Answer:

Extinction; the rat will stop responding to the song

Explanation:

Extinction will take place as the rat will stop responding to the song since no treats are being provided anymore.

how have humans influenced their environment for ages?​

Answers

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Select the correct answer.
Lewis works as the head of an emergency services unit in the United States. He and his teammates use a geographic information system (GIS) quite often. Which benefit could the use of GIS provide to Lewis and his team?
A.
It would help them predict natural disasters.
B.
It would help them find the shortest and safest routes to reach hospitals during emergencies.
C.
It would help them arrange for the necessary medical equipment required during emergencies.
D.
It would help them to better handle queries related to emergencies.

Answers

Answer:

B) it would help them find the shortest and safest routes to reach hospitals during emergency

____________ is an example of negative acceleration,
a. A coin thrown vertically upwards
b.A train starting from the station
c. A coin falls freely towards the earth
d. An object is speeding up.


plz plz plz plz plz plz plz plz plz plz answer of state board

Answers

Answer:

d.

Explanation:

An object is speeding up.

What role can students like you play in controlling brain drain? Write in points

Answers

Answer:

playing video games

Eating a lot

Watching TV all day

Sorry, I need points.Tag me

there will be energy crisis in future justify this statement with some reason​

Answers

Overconsumption.  Overpopulation. Poor Infrastructure.  Unexplored Renewable Energy Options.  Delay in Commissioning of Power Plants.  Wastage of Energy.  Poor Distribution System.  Major Accidents and Natural Calamities.

Development of the society is a universal process. Justify the statement.​

Answers

Answer:

Development of a society is a universal process because it is impossible for any society to remain unaffected by other societies. ... With different influences by different cultures, our societies become more open-minded and can see things from varied perspectives.

ITS IN THE PICTURE !!!!!

Answers

The answer should be B

Answer:

option A

Explanation:

the plane with the paperclip

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Howard was raised in extreme poverty and for a time his family lived in a car. When they did find a place, it was a very dangerous area, and he was a victim of violent crimes. Tobias was raised in a loving family in which he was not exposed to situations that produced a great deal of stress. According to Michael Meaney's research cited in the text, Howard is likely to have a decrease in the neurotransmitter _____ in the hippocampus and an increase in DNA methylation of the _____, compared with Tobias. This will make it more difficult for him to handle stressful situations.

Answers

Answer: serotonin; glucocorticoid receptor gene

Explanation:

Neurotransmitter serotonin, also known as serotonin is used in the body to send messages between nerve cells. It affects the human mood, appetite, and digestion, it also helps regular sleeping cycles in the body.

Glucocorticoid receptor gene is a receptor which binds the cortisol and other glucocorticoids. The glucocorticoid receptor gene regulates development of metabolism and immune system.

Howard's growing up condition would make him have decrease in Neurotransmitter serotonin(making him lacking appetite and moody most times) and an increase in Glucocorticoid receptor gene(having a dysfunctional growth pattern).

Which method transfers heat from the Sun to the ocean?

Answers

Answer:

radiation

Explanation:


2.
Prepare an editorial highlighting the important characteristics of a good
constitution.

Plz plz plz plz plz help me ​

Answers

Answer:

A good constitution must have the following qualities.

1) Clarity or definiteness : Every clause of the Constitution should be written in simple language.

2) Brevity : The constitution should not be lengthy.

3) Comprehensiveness .

4) Flexibility.

5) Declaration of rights.

6) Independence of judiciary.

7) Directive principales of state policy.

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4) Flexibility

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