In 1988, a sample of 22,071 male physicians were randomly assigned to take either an aspirin or a placebo. The group that took the placebo is known as the

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Answer 1

In 1988, a sample of 22,071 male physicians were randomly assigned to take either an aspirin or a placebo. The group that took the placebo is known as the control group.

A control group is a group of individuals or subjects that serves as a reference or standard against which the effects of a treatment or intervention can be compared. In a study, the control group is used to establish a baseline or normal level of behavior, performance, or response, which can be compared to the behavior, performance, or response of the experimental group, which receives the treatment or intervention.In the case of the study on aspirin and placebo, the control group (the group that took the placebo) was used to establish a baseline level of health outcomes, such as heart disease, that could be compared to the health outcomes of the group that took the aspirin. This allowed researchers to determine whether the aspirin had a significant effect on reducing heart disease compared to the placebo.

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Related Questions

during a face-to-face feedback session with his teammates, paulo finds that they are more inclined towards long term goals than an immediate reward for performance. in the context of the expectancy theory, paulo's teammates primarily focus on:

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During a face-to-face feedback session with his teammates, Paulo finds that they are more inclined towards long-term goals than an immediate reward for performance. in the context of the expectancy theory, Paulo's teammates primarily focus on second-level outcomes.

Expectancy Theory is founded on the idea that people's effort levels are influenced by the amount of reward they anticipate receiving. The idea is actually a collection of hypotheses that take an economic, logical approach to human nature. The idea is that someone will act or behave in a given manner because they are motivated to choose that behavior above others based on what they anticipate the outcome of that behavior will be. According to this theory, people can be inspired to work towards their objectives if they think that their efforts and performance are positively correlated and that a desirable reward would follow a successful conclusion.

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schizophrenia may reflect a(n) of the neurotransmitter . excess; serotonin excess; dopamine deficit; serotonin deficit; dopamine

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Schizophrenia may reflect a(n) excess; dopamine of the neurotransmitter. So, correct option is B.

Schizophrenia is a complex mental disorder that affects a person's ability to think, feel, and behave clearly. The exact cause of schizophrenia is still unknown, but researchers believe that neurotransmitter imbalances in the brain may contribute to its development.

Neurotransmitters are chemical messengers that carry signals between nerve cells in the brain. Two neurotransmitters that have been linked to schizophrenia are dopamine and serotonin.

Research suggests that an excess of dopamine in certain areas of the brain may contribute to the positive symptoms of schizophrenia, such as hallucinations and delusions.

On the other hand, a deficit of serotonin may contribute to the negative symptoms of schizophrenia, such as social withdrawal and apathy. However, it is important to note that neurotransmitter imbalances alone do not fully explain the development of schizophrenia, and other factors, such as genetics and environmental influences, may also play a role.

In summary, the statement "schizophrenia may reflect a(n) excess; dopamine" is correct, as an excess of dopamine has been linked to certain symptoms of schizophrenia, but it is not the only neurotransmitter involved, and other factors also contribute to the development of the disorder.

So, correct option is B.

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Blank blank focuses on the way you relate to
others.

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Empathy means being able to put yourself in someone else’s shoes and seeing their perspective.

3. Why do residents of small towns spend less on wardrobes than their their professional counterparts in big cities? Explain it in most 5 sentences.

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Considering the cost of living in small towns is typically lower than in big cities, residents spend less on their professional outfits than their counterparts in big cities.

As a result, they can spend less on their business clothes because housing, transportation, and other essentials are less expensive for people living in small towns.

The way of life in a city and a small town are very dissimilar. Your life will change when you move to a new location in accordance with the local culture. Adopting a new life will cost money, whether you live in a small or large metropolis. Before making a choice, compare these prices with the lifestyle you'd like.

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100 points five stars a thank you, dont need to awnser first. i will repeat this question every 3 and a half minutes. ive got nine hundred points to burn

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Answer:

thank you.greatly appreciated

GRADE 5 SCIENCE MYA-2020-2021
Question: 1-1
Like many other space objects, Earth travels in a predictable path through space. Which of the following correctly describes this path?
O traveling around the Moon in a cycle that repeats every month
O orbiting the Sun along with seven other planets in the Solar System
O traveling in the same direction as comets, which is away from the Sun
moving along with asteroids in an asteroid belt between Mars and Jupiter

Answers

Answer:

b

Explanation:

because the world revolves around the sun so if the earth does so does the other planets

i think the answer is B

Earth primarily emits: (may be more than one correct answer) a) shortwave radiation b) longwave radiation c) infrared radiation d) microwave radiation

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The correct answer to your question is (c) infrared radiation. Earth primarily emits infrared radiation into space as it cools off after being heated by the sun.

Infrared radiation is a type of electromagnetic radiation with longer wavelengths than visible light. It falls between visible light and microwave radiation on the electromagnetic spectrum. Infrared radiation is responsible for the greenhouse effect, which keeps our planet habitable. It is also used for remote sensing applications, such as satellite imagery, weather forecasting, and night vision technology. While the Earth does emit shortwave and longwave radiation, these are not the primary types of radiation it emits. Shortwave radiation refers to the energy from the sun that is absorbed by the Earth, while longwave radiation refers to the energy emitted by the Earth's surface after being heated by the sun. Microwave radiation is also emitted by the Earth, but it is primarily absorbed by the atmosphere and does not escape into space.

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Which of the following best summarizes how adolescent boys reach manhood compared to how adolescent girls reach womanhood in traditional cultures?

a. In traditional cultures it is common for adolescent boys to naturally obtain manhood thorough the biological change of spermarche, whereas adolescent girls must demonstrate their capacities to clean, cook, and care for children to achieve womanhood status.

b. In traditional cultures it is common for both adolescent girls and boys to achieve womanhood and manhood status by demonstrating their capacities to provide, protect, and procreate.

c. In traditional cultures it is common for adolescent girls to naturally obtain womanhood thorough the biological change of menarche, whereas adolescent boys must demonstrate their capacities to provide, protect, and procreate to achieve manhood status.

d. In traditional cultures it is common for both adolescent girls and boys to naturally obtain womanhood and manhood through the biological changes of menarche and spermarche, respectively.

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The correct option is c. In traditional cultures it is common for adolescent girls to naturally obtain womanhood thorough the biological change of menarche, whereas adolescent boys must demonstrate their capacities to provide, protect, and procreate to achieve manhood status.

In traditional cultures, the process of becoming an adult is often marked by specific rites of passage that vary between genders. In many traditional cultures, girls become women through the biological change of menarche, which marks the onset of menstruation and fertility. This biological change is considered a sign of physical maturity and readiness for marriage and childbearing.

On the other hand, boys do not have a specific biological marker like menarche that marks their transition to manhood. Instead, they are expected to demonstrate their capacities to provide, protect, and procreate. This may involve undergoing physical challenges, performing tasks that are seen as masculine, and proving their ability to take care of a family. These rites of passage are often seen as a way for boys to prove their readiness for adult responsibilities and to earn respect from their community.

Overall, the process of becoming an adult in traditional cultures is often marked by gender-specific rites of passage that reflect cultural beliefs about gender roles and responsibilities. While girls become women through a biological change, boys are expected to demonstrate their readiness for adult responsibilities through a series of challenges and tasks.

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Socio-emotional selectivity theory (SST) states that our goals and priorities usually change in midlife. Rather than long term goals, we become more concerned with life-satisfaction in the present. This in linked to a belief that

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Answer:

This in linked to a belief that future is limited.

Explanation:

As shown in the above question, Socio-emotional selectivity theory reinforces the idea that as the years progress, human beings are more concerned with maintaining a satisfaction with the present life, promoting healthy relationships and short-term plans. According to this theory, the advance of age shows how time passes quickly and how the future is limited and therefore it should not be a concern, but the present should be lived as fully as possible.

Describe two actions taken by colonial patriots to protest the British government's authority in the years leading up to the American Revolution? *

Answers

Answer:

They boycotted a lot and they dumped the tea in the harbor

Answer:

signed the stamp act

Explanation:

a move that lit the fuse for revelation in America colonies that burned for decades

which country does not have a privatized air traffic control system?

Answers

The country that does not have a privatized air traffic control system is Cuba.

Cuba does not have a privatized air traffic control system. Instead, it is operated by the Instituto de Aeronáutica Civil de Cuba (IACC), which is a government agency responsible for civil aviation in the country.  An air traffic control system is a network of systems that monitor and direct air traffic within a specific region. Air traffic control systems help prevent collisions, improve the efficiency of air travel, and provide pilots with critical information, such as weather reports, flight plans, and other relevant data.

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Which area of North America had the highest Native American population density in 1500?

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The and Seminole the Cherokee are the area of North America had the highest Native American population density in 1500.

What is the culture of the North America?

The various Indian tribes who live on American soil have a tremendously diverse range of cultural practices. Long before European settlers arrived, the continent was inhabited by the natives, and they have managed to preserve their customs and way of life.

Numerous tribes have been identified. The Cherokees, who lived in what are now the states of Alabama, Georgia, Kentucky, North Carolina, South Carolina, Tennessee, and Virgi, and the Seminoles, who lived to the north of the Florida peninsula, are two of the tribes that were present in the southeastern United States by the year 1500.

Thus, The Seminole and Cherokee the

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Because only a small part of it is visible, culture is often compared to a(n)
A.shy animal
B. iceberg
C.weather change
D.Large glacier

Answers

Answer:

B. Iceberg

Explanation:

Name 10 habits you either personally do or can do better with to remain illness free? Who can help me out

Answers

Answer:

vitamins

Explanation: evary day i eat some vitamins to stay strong for the rest of the day.

i also put some medicanel tablets in my morning drink.

i often try to stay warm and take a hot or cold bath once and awhile.

evolutionary theory is based on the idea that thoughts and expectations affect actions.

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Due to evolutionary theory is a broad and complex set of scientific ideas, and it does not make any direct claims about thoughts and expectations affecting actions, the statement is false.

Instead, evolutionary theory focuses on explaining how biological traits and behaviors have changed and adapted over time through natural selection and other mechanisms.

While it is true that evolutionary theory can have implications for understanding human behavior, it does not necessarily lead to the conclusion that thoughts and expectations are the primary drivers of actions.

Other factors, such as environmental pressures, cultural influences, and individual differences, can also play important roles in shaping behavior.

Evolutionary theory is based on the idea that thoughts and expectations affect actions. true or false.

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How do approaches used by Northern Europe seem to support high performance work?

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Nordam Europe, Ltd. is a joint undertaking between The Nordam Group, Inc., and GE. Aircraft Engine Services, Ltd. The Nordam institution is an acknowledged chief in plane thing production and repair with centers on three continents and is the biggest privately held FAA-accredited restore station inside the global for composite, aircraft systems. some of its customers encompass standard electric, British Airways, FedEx, DHL, and Air France. The Blackwood, Wales facility's number one role is the overhaul and restoration of jet engines.

The Blackwood division employs a hundred and eighty employees, sixteen of whom are elderly 50 and over. The employer has sturdy, although short, records of adoption and the exercise of identical possibility in its hiring and HR practices. The organization's identical opportunities policy prohibits hiring, placement, or dismissal based totally on gender, race, religion, or age. The HR department is presently in the manner of reviewing maximum of the employer's HR guidelines which will increase a team of workers guides containing all employee-related guidelines.

High-performance management aims to make an impact on the overall performance of the company thru its humans in such regions as productivity, satisfaction, degrees of customer support, increase, earnings, and, in the end, the delivery of accelerated shareholder cost.

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Solve pls brainliest

Solve pls brainliest

Answers

The correct answer is wind
Wind.
Wind can alter and shape rocks through erosion over time, but it can not form them.

B. does make rocks form. Dissolved minerals in the ground water precipitate (crystallize) from water in the pore spaces forming mineral crusts on the sedimentary grains, gradually cementing the sediments, thus forming a rock.

C. also makes rocks form. Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.

D. makes rocks form, too. If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock. Consider how granite changes form. Granite is an igneous rock that forms when magma cools relatively slowly underground.

How is lactic acid fermentation different from the process of cellular respiration that usually takes place in our cells?

Answers

Cellular respiration uses oxygen in the chemical reaction that releases energy from food. Fermentation occurs in an anaerobic or oxygen-depleted environment. Because fermentation doesn't use oxygen, the sugar molecule doesn't break down completely and so releases less energy.

One critical difference between fermentation and cellular respiration is the presence of oxygen. In the chemical reaction that releases energy from food, cellular respiration uses oxygen. Fermentation takes place in an anaerobic (oxygen-depleted) environment.

What is the process of cellular respiration?

Cellular respiration is a type of chemical reaction that breaks down glucose to produce ATP, which can be used as energy to power many reactions throughout the body. Cellular respiration is comprised of three major steps: glycolysis, the citric acid cycle, and adenosine triphosphate.

Cellular respiration, like burning, completely oxidizes glucose into CO2 and water. In contrast, fermentation does not completely oxidize glucose. Instead, as waste, small, reduced organic molecules are produced. As a result, cellular respiration uses more glucose energy than fermentation.

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What was the purpose of the Fugitive Slave Act of 1793?

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Answer:

In American history, the Fugitive Slave Acts were laws passed by Congress in 1793 and 1850 (and repealed in 1864) that allowed for the capture and return of runaway slaves who escaped from one state to another or into federal territory.

Explanation:

Answer:

Passed on September 18, 1850 by Congress, The Fugitive Slave Act of 1850 was part of the Compromise of 1850. The act required that slaves be returned to their owners, even if they were in a free state. The act also made the federal government responsible for finding, returning, and trying escaped slaves.

What are some situations wherein the consequences of socialization are being displayed.

Answers

Situations wherein the consequences of socialization are being displayed are it fosters a advantageous sense of oneself, it makes it feasible to look items from unique angles, people are much more likely to behave in socially ideal approaches because of it and people become representations in their subculture as a result.

Socialization is the procedure with the aid of using which humans discover ways to feature successfully in society. It outlines how people study about societal expectations and standards, in addition to how they arrive to trust in and recognize the ones views.

Socialization, in step with structural functionalists, is vital to society as it prepares its participants to feature successfully inside it and as it preserves subculture with the aid of using passing it on to destiny generations. A society's subculture might disappear as its humans died off with out socialization.

Lack of social skills often causes stress and loneliness, which may be dangerous to each one's bodily and intellectual health.

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6. The United States prison population in 1970 was:
a. 101,205
b. 357,292
c. 513,900
d. 1,989,100

Answers

The United States prison population is 513,900.  Hence option C is correct.

What is the prison population about?

According to data from the Bureau of Justice Statistics, the prison population in the United States in 1970 was approximately 513,900. This marked a significant increase from previous decades, reflecting a shift towards more punitive criminal justice policies, including the introduction of mandatory minimum sentences and the "War on Drugs."

Therefore, Despite this increase, the U.S. prison population would continue to grow rapidly in the decades that followed, reaching a peak of approximately 1.6 million in 2009 before beginning to decline.

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List 2 positives of Genetically Modified Foods *


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1. Tastier food.

2. Increased supply of food with reduced cost and longer shelf life.

5. The reasons for the diversity are
a: climate, history and geography
b: b. history and climate
c. climate and geography

Answers

Answer:

climate, history and geography are the reasons for the diversity.

Explanation:

every nation and state has different types of climate and geography and has different types of historical background which make the countries and nations diverse .

Which type of feminism accepts the basic organization of u. S. Society, but seeks to give women the same rights and opportunities as men?.

Answers

Answer: it’s called Liberal feminism.

Explanation:

Liberal feminism, sometimes known as mainstream feminism, is a subset of feminism that focuses on achieving gender equality through political and legal reform within a liberal democratic framework.

Who was Elijah P. Lovejoy?

Answers

Answer: Elijah Parish Lovejoy was an American Presbyterian minister, journalist, and abolitionist. Lovejoy attacked slavery and a racial system that allowed human rights abuses to go unpunished. A pro-slavery mob eventually murdered him.

Now that you read the excerpts of the Emancipation Proclamation, read the full text and answer the following:
What do I know after reading the entire text?

Answers

Abraham Lincoln signed an executive decree known as the Emancipation Proclamation on January 1, 1863. It announced the liberation of slaves in the eleven Confederate states that were still in uprising. Additionally, it ruled that liberated slaves might join the Union Army, adding to the army's numbers. Although the Proclamation did not technically condemn slavery or liberate the slaves in the Union states that still allowed it, it was a significant step toward its abolition and the awarding of American citizenship to former slaves. The Proclamation expanded the objectives of the Union war effort by explicitly including the abolition of slavery in addition to the nation's reunification.

The Proclamation also barred the involvement of European armies in the conflict on the side of the Confederacy. The Emancipation Proclamation established the elimination of slavery as a goal for the Union, which made support for the Confederacy synonymous with support for slavery. Lincoln had believed that the Proclamation would help the Union by obtaining the backing of European nations that had previously banned slavery. The Confederacy's ambitions of receiving official recognition from European heads of state were largely dashed by it.

The importance of the Emancipation Proclamation's immediate impact on four significant American groups—the Confederate States, the Union States, the Union Army, and black Americans—is illustrated in this lesson.

Thanks,
Eddie


Need help ASAP please

Need help ASAP please

Answers

Answer:

It's the 2nd option

Explanation:

Hope this answer helps you :)

Have a great day

Mark brainliest

Pleaseeee helpppppppppp

List three things world war one and two have in common

Answers

Answer:  Hard answer but heres the explanation

Explanation:

They were similarly caused by nationalism, imperialism, alliances, and militarism. Both wars saw countries trying to upset the power balance in Europe for their own gain.

What changes in painting occurred during this time period?

Answers

Paintings lose their quality over time because they were made from fundamentally incompatible materials, each of which reacts differently to variations in light, temperature, and relative humidity.

Realism developed as a result of the painters' ability to depict items as they actually looked. By shrinking distant things and altering object shapes, they produced a sense of depth, producing a three-dimensional impression. They also started using oil as a painting material.

Painting first appeared in prehistory when nomadic people decorated stone walls with drawings. With charcoal, they drew pictures and left their prints in the caverns they traveled through. According to a recent discovery in Spain, the oldest paintings created by mankind to date stretch back more than 42,000 years.

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What forms can development aid take?

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Answer:

Today, development aid takes many forms. One country might supply development aid to another in the form of a direct monetary contribution or it might provide technical expertise to help build the infrastructure to supply water to more citizens.

Explanation:

I majored in Social Studies

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