Scientists have found that it's always best to have a control group. Why? Let's say you are measuring whether drinking soda makes people smarter. You get a bunch of kids who don't drink soda, and give them a test. Then you have them drink lots of soda for a few weeks and have them take a similar test. You notice that their scores have gone up. Wow, did you just prove that soda makes you smarter? Not exactly. It could be that those kids had been studying on their own, or learning stuff in school that helped them on the test. A better experiment has a control group. In this case, it would be a second group of kids from the same place whom you test but who don't drink the soda. If their scores don't go up, then you've just figured out that soda is the real cause.
Which of these would provide the best evidence that drinking soda makes people smarter?
A
The soda-drinking group does not show improved scores while the control group does.
B
The control group’s scores do not improve while the soda-drinking group’s scores do.
C
Both the control and soda-drinking groups scored exactly the same on the second test.
D
The control group scored higher than the soda-drinking group on the first test.

The term "emancipation" refers to the act of setting free or liberating a group of people from a state of servitude or bondage. In the context of American history, it commonly refers to the emancipation of enslaved African Americans.

Emancipation had a significant impact on Southern landowners, particularly those who relied heavily on the institution of slavery for their economic prosperity. With the issuance of the Emancipation Proclamation by President Abraham Lincoln in 1863, and later the passage of the Thirteenth Amendment to the United States Constitution in 1865, slavery was officially abolished in the United States.

As a result, Southern landowners faced several challenges. Firstly, they lost their labor force, as the formerly enslaved individuals were now free to seek employment elsewhere. This created a significant labor shortage on Southern plantations and farms.

Additionally, landowners experienced a decline in their wealth and property values. Slavery had been a crucial aspect of the Southern economy, and with its abolition, landowners faced financial setbacks. Many relied on their enslaved laborers to generate profits, and without them, their income and overall economic stability suffered.

Furthermore, the social and political landscape of the South underwent a significant transformation. The power dynamics shifted, and the former slaves gained newfound freedom and rights. This change challenged the deeply entrenched social order, leading to tensions and conflicts between different segments of society.

In conclusion, emancipation had a profound impact on Southern landowners. It deprived them of their labor force, decreased their wealth and property values, and disrupted the social and political fabric of the region.

Know more about emancipation here :

brainly.com/question/10954308

#SPJ8

Option (c) and (d), Georgia was founded to serve as a buffer between British possessions in South Carolina and Spanish Florida as well as a haven for creditors and other underprivileged people in Britain.

The last of the 13 colonies to be founded was Georgia. When it first began, it was a network of fortified settlements in Florida and the Carolinas that acted as a border between Spanish and English colonists. Georgia was created specifically as a region for English creditors seeking a fresh start in the New World.

Georgia's founding as a colony was justifiable for a number of reasons, including as a "buffer" colony. As Europeans searched seeking new markets for their goods as well as new sources of raw materials in order to expand their wealth, Georgia was consequently useful.

Learn more about New World: https://brainly.com/question/7102722

#SPJ1

The actor who is NOT a part of the National Gang Center's (2010) administrative structure for a Comprehensive Gang Program Model is the "National Representative from the National Institutes of Justice (NIJ)."

The National Gang Center's (2010) administrative structure for a Comprehensive Gang Program Model includes several actors such as representatives from the Office of Juvenile Justice and Delinquency Prevention (OJJDP), the Office of Community Oriented Policing Services (COPS), the Bureau of Justice Assistance (BJA), and the Office of Safe and Drug-Free Schools (OSDFS).

However, the National Representative from the National Institutes of Justice (NIJ) is not listed as one of the actors in the administrative structure for the Comprehensive Gang Program Model.

Learn more about National Gang Center's: https://brainly.com/question/29552035

#SPJ11

Answer:

Since the fifty fifth year of Qianlong's reign in the Qing Dynasty (1790), four Hui troupes, mainly Anhui artists, such as Sanqing, Sixi, Chuntai, and Hechun, which had previously performed in the south, have successively entered Beijing, cooperated with Han Opera artists from Hubei, accepted part of the repertoire of Kunqu Opera and Qin Opera Opera, performed harmoniously, and absorbed some local folk tunes. Through continuous exchanges and integration, Beijing Opera was finally formed

Explanation:

Answer:Persia 2

Explanation:

Answer:

Persia 2

Explanation:

What was the multicultural empire of 480 B.C.? Persia 2.

Hey! we got the same answer. i has the same question. but here you go.

patricians hope this helps.

Americans were primarily driven by their interests, whereas the French relied heavily on reason or rationality as their guiding force.

1. The Americans placed a significant emphasis on pursuing their interests when making decisions or taking actions. This can be attributed to their pragmatic and individualistic culture, where self-interest and personal gain are highly valued.

2. In contrast, the French tended to prioritize reason or rationality in their decision-making process. They sought logical justifications and intellectual coherence in their actions, often considering the greater good and societal implications.

3. The American approach can be traced back to their historical background, influenced by concepts like the American Dream, capitalism, and a strong belief in personal freedom and achievement. Their focus on individual interests is reflected in their entrepreneurial spirit and pursuit of success.

4. On the other hand, the French have a long tradition of philosophical reasoning and intellectualism, which has shaped their national identity. Influenced by the Age of Enlightenment, French thinkers emphasized reason, logic, and the pursuit of knowledge as essential values.

5. These divergent guiding forces can be observed in various aspects, such as foreign policy decisions, economic strategies, and social issues. Americans tend to prioritize economic growth, personal freedom, and protecting their national interests, while the French often seek social equality, justice, and the application of universal principles.

In summary, while Americans are primarily driven by their interests, the French place a higher emphasis on reason or rationality as their guiding force in decision-making and action-taking processes.

For more such questions on French, click on:

https://brainly.com/question/26153965

#SPJ8

2,3,5 are the correct answers.

The Key contributions of Pauli Murray is mentioned option 2, 3 and 4.

She was the african-american woman lawyer and priest who played a significant role in the Civil rights movement, she was also the first women to become Episcopal Priest.

Her Contribution in ending the segregation laws, as well as demanding equal rights for lack people is greatly recorded. Hence, we can say that option 2, 3, and 4 are true.

Learn More about Pauli Murray here:

https://brainly.com/question/24679201

This is further explained below.

Generally,  Freedom is defined as either having the capacity to act or change without restriction or having the strength and resources to pursue one's goals without interference.

In conclusion, provided a glimpse of the contemporary conception of freedom as an inalienable right for all people regardless of their socioeconomic standing, the first political movement to propose a written constitution in an effort to end the absolute monarchy and give more people the franchise.

Read more about freedom

https://brainly.com/question/4077647

#SPJ1

In the first quarter of the 20th century, women replaced men most rapidly in the following pairs of occupations.

Clerical Work: With the growth of industries and the need for administrative support, women began to take on roles such as typists, secretaries, and clerks. The demand for clerical workers increased, and women were hired to fill these positions. Teaching: As education expanded and more schools were established, there was a growing need for teachers. Women entered the teaching profession in large numbers, particularly at the elementary and secondary levels. It is important to note that women's participation in the workforce during this period varied across different regions and industries. These two examples highlight some of the occupations where women experienced significant employment growth and replaced men during the first quarter of the 20th century.

Learn more about 20th century here:

https://brainly.com/question/1933582

#SPJ11

The chronology of events was the Tenure Act passed by Congress in March 1867, Johnson dismissed Secretary of War Edwin Stanton, and the House initiated impeachment proceedings.

What is the House of Representatives?

The United States House of Representatives, also called the United States House of Representatives, the House of Representatives, or simply the House of Representatives, is the lower house of the United States Congress with the Senate as the upper house.

All of them make up the bicameral Capitol of the United States. Each single-seat district elects one member, provided each state is eligible to elect at least one member and is assigned to the state based on U.S. Census population.

Representatives from these districts make up the House of Representatives. Since 1913, according to the Distribution Act of 1911, 435 voters have been eligible.

The complete question is :

The competing visions of reconstruction between president johnson and the radical republicans brought forth the nation’s first impeachment charges. place the following events in chronological order. note that not all options must be used.

a. Congress authorized the Tenure of Office Act in March 1867.

b. Johnson removed Secretary of War Edwin Stanton.

c. The House of Representatives initiated impeachment charges.

To learn more about Tenure Act here:

https://brainly.com/question/29857345

#SPJ4

It is unclear what specific literacy rate is being referred to in this question, as it does not provide a specific number or percentage. Additionally, while the role of the church and other black social organizations in promoting education and literacy among African Americans in the post-reconstruction period is well-documented, it would be difficult to attribute a specific literacy rate to their efforts alone, as there were many other factors that contributed to changes in literacy rates over time.

That being said, it is worth noting that in the years following the Civil War and Reconstruction, there was a concerted effort among African American communities to promote education and literacy as a means of advancing social and political equality. Many churches and social organizations established schools and other educational programs aimed at providing African Americans with the skills and knowledge they needed to succeed in a rapidly changing society. These efforts were especially important for black women, who faced multiple forms of discrimination and were often excluded from traditional educational opportunities. By providing access to education and literacy programs, the church and other organizations played a critical role in empowering black women and advancing the cause of racial justice in the United States.

in the post reconstruction period, the church and other black social organizations were responsible for raising the literacy rate of black women in the west to raise the literacy rate of black women in the West.

The church and other black social organizations made a significant contribution to increasing the literacy rate of black women in the West during the post reconstruction era. Without more accurate historical data, it is difficult to provide a precise numerical figure. These groups worked to build schools, supply educational materials and advance literacy in black communities.

Through their initiatives black women and men were able to access education and advance their literacy which aided in their intellectual and social development. Although the precise literacy rate is unknown the combined efforts of these organizations have improved the educational opportunities for black women in the Western United States.

learn more about post reconstruction period here

brainly.com/question/31428743

#SPJ2

Answer:

Paul Revere arranged to have a signal lit in the Old North Church – one lantern if the British were coming by land and two lanterns if they were coming by sea – and began to make preparations for his ride to alert the local militias and citizens about the impending attack. “One if by land, and two if by sea.”

Explanation:

It is good i think, im just new to brainly

The information above describes the elements that led to the downfall of communism in the Soviet Union country. Thus, option (c) is correct.

Mikhail Gorbachev's reforming measures in the Soviet Union spurred anti-Communist movements across the Soviet bloc countries. Demonstrations became increasingly common, and governments were pushed to embrace liberalization measures.

The Soviet Union's fast collapsing post-World War II economy, weakening military, and fiscal mismanagement left it extremely exposed to external events such as the March 1986 oil price collapse, which had a substantial impact on the Soviet economy.

As a result, the significance of the elements that led to the downfall of communism in which country are the aforementioned. Therefore, option (c) is correct.

Learn more about on Soviet Union, here:

https://brainly.com/question/31565617

#SPJ1

Held certain financial holdings in other nations. In 1917, the United States assumed control of the financing of the Allies with loans that they insisted be returned after the war.

Taxes were raised by the government to fund that. Selling "Liberty Bonds" was another way the government raised money. Americans purchased the bonds to assist the government in funding the war. They received a later payment that included the bond's face value and interest. The Government owed more than $25 billion at the conclusion of the war.

1914 saw a deep crisis in the economy, but the war immediately provided new markets for American manufacturing. In the end, World War I helped the US prosper for 44 months and establish its dominance in the global economy.

To know more about world war1 visit:

https://brainly.com/question/1220311

#SPJ1

Answer:

For example, a citizen had the right to bring a person to court to settle a dispute. ... A citizen also had the right to vote for government officials, and to hold a position of power. Roman fathers also were entitled to power over their families.

Explanation:

here you go

Answer:

The gift of Nile

Explanation:

American settlement in Texas in the 1820s and 1830s was a significant period in the history of the region. During this time, Americans began moving to Texas in large numbers, attracted by the vast open spaces and fertile land. However, the settlement did not exceed the Mexican population there until the United States annexed Texas in 1845.

The growing American population led Stephen Austin, one of the leaders of the settlement movement, to demand more autonomy from Mexican officials. Despite the fact that Mexico had banned slavery in its territory, some Americans brought their slaves with them to Texas. The settlement took place without the approval of the Mexican government, which was initially hesitant to allow Americans to settle in the region. The American settlers in Texas formed their own communities and were known as Tejanos by their Mexican neighbors. Overall, the American settlement in Texas in the 1820s and 1830s was a pivotal moment in the history of the region, laying the groundwork for Texas's eventual annexation by the United States.

to know more about settlement movement in 1820s and 1830s visit:

https://brainly.com/question/18766596

#SPJ11

Answer:

The west African country lost most of there able-bodied people men and woman to slave trade. 2. West Africa had more natural resources than any other part

Explanation:

Answer:

1. The West African countries lost most of their able-bodied men and women to the slave trade 3. The West African countries were most easily reached by European ships.

Explanation:

I did the question

Answer:

Two Spanish Conquistadors who conquered various parts of the New World were Hernán Cortés and Francisco Pizarro.

Hernán Cortés led the Spanish conquest of the Aztecs in 1519, marking the beginning of their colonization of the modern-day country of Mexico. He also helped to establish Spanish colonial rule in the region.

Francisco Pizarro is best remembered for his conquest of the Inca Empire in 1532, which established Spanish control of present-day Peru, Ecuador, and much of Chile. He was also instrumental in bringing about the collapse of the Aztec Empire.

Explanation:

Answer:

B)california is the answer .

Based on the trend in the graph, the global population in 1975 should double in year 2010. Thus the correct option is C.

Between 3 and 4 billion people living on Earth in 1975, which puts the population at approximately 4 billion according to the graph. By examining the population growth rate between 1975 and future years, we can determine when this population would double.

We can observe from the graph that it took the population around 35 years (between 1975 and 2010) to double from about 4 billion to about 8 billion. Therefore, if we use the same growth rate, we can predict when there will be an increase in population from 4 billion to 8 billion.

The year 2010 is obtained by multiplying 1975 by additional 35 years. So, according to the graph's trajectory, by the year 2010, the world's population from 1975 should have doubled.

Therefore, option C is appropriate.

Learn more about Population, here:

https://brainly.com/question/27991860

#SPJ1

Answer:

The system has led to the upper castes being privileged over the lower castes, which were often repressed by those higher up on the caste scale. For centuries, inter-caste marriage was forbidden, and in villages, castes mostly lived separately and did not share amenities such as wells.

Explanation:

Hope this helps! Have a great day/night!

Answer:

UR ANSWER IS it allowed people to live many different kinds of lifestyles

Explanation:

follow my insta

✨✨✨✨I think its A......

Answer:

B. were some of the first laws adopted as part of radical reconstruction in 1867.

Explanation:

When slavery was abolished at the end of the Civil War, southern states created black codes, laws which aimed to keep white supremacy in place.

The correct answer is: c. were laws that attempted to control and restrict the rights and movements of newly freed African Americans

The Southern Black Codes were a series of laws that were enacted in the South after the Civil War.

These laws were designed to control and restrict the rights and movements of newly freed African Americans. They included restrictions on voting, employment, and property ownership.

The Black Codes were denounced by President Johnson and declared unconstitutional by the Supreme Court, but they were still enforced in many Southern states until the passage of the Civil Rights Act of 1964.

The Black Codes were some of the first laws adopted as part of Radical Reconstruction in 1867, but they were not successful in achieving their goal of limiting the rights of African Americans.

Hence Option C is correct.

For more similar questions on Radical Reconstruction

brainly.com/question/17881842

#SPJ11