Double-blind design: this is how the study will be conducted. This means that in this study, participants will know which treatments are being applied to each participant. In this case, the researcher can hire a doctor or health professional who can deliver the different treatments to the participants without the researcher and the participants themselves knowing what treatment is being delivered and which participants are not receiving any treatment.
Antagonist: It will be a substance used to establish connections in the participants' neurological receptors, but without activating these receptors and preventing any other substance from activating them.
Acetylcholine: Will be the neurotransmitter tested in treatments, as it is the main neurotransmitter often related to the symptoms of Parkinson's disease, alzheimer's disease, multiple sclerosis and schizophrenia
Positron Emission Tomography (PET): It will allow the visualization of images that will allow the evaluation of the functioning of the neurotransmitters related to each tested treatment.
Blood-brain barrier: It will allow the assessment of the metabolic function of the participants' brain, as it protects the nervous system from toxic and harmful substances. This cerebral metabolic function will be evaluated in relation to each treatment applied.
Myelin sheath: is the protective layer of nerve cells. It is usually damaged in people who have Parkinson's disease, alzheimer's disease, multiple sclerosis and schizophrenia, for this reason, it will allow the assessment of their protection in relation to each treatment tested.
A student strikes a block at the bottom of a ramp giving it an initial speed v0 up the ramp as shown at right. there is a friction between the ramp and the block
Answer:
When we move the block on the ramp, the friction force is the force which opposes its motion.
Explanation:
When we apply force in the forward direction, the block moves horizontally on the floor or ramp. The force which oppose the motion of the block is known as force of friction. When the block is at rest, static friction act upon it which prevent the block from movement but when the block start motion, this static friction replace by the kinetic friction which opposes the moving body and reduce the speed.
What is the focus on transcendent communication?
A)
confrontation and winning the conflict
B)
give and take to manage the conflict
C)
transforming opposing party's position
D)
redefining the issue
in what way(s) do the events of the 1936 Olympics relate to the National Anthem protests sparked by Colin Kaepernick in 2016?
Answer:
they are realated to olympics
Explanation:
If Congress votes to increase spending and taxes by the same amount, what is the effect on employment and interest rates?
Employment / Interest Rates
Increase / Increase
Increase / Decrease
Increase / No Change
Decrease / Decrease
Decrease / No Change
the effect on employment and interest rates
Increase / No Change
When Congress votes to increase both spending and taxes by the same amount, it leads to a neutral effect on employment and interest rates. The increase in government spending stimulates economic activity, which can potentially lead to an increase in employment as businesses expand to meet the demand generated by government spending.
On the other hand, the increase in taxes can reduce disposable income for households and potentially decrease consumer spending, which could offset some of the positive effects on employment.
However, since the increase in spending and taxes is balanced, there is no net change in the overall level of economic activity, and consequently, there is no significant impact on interest rates.
Therefore, the most appropriate choice is "Increase / No Change."
5. Amy bought a diamond ring for $6,000. If the value of the ring increases at a constant rate of 5.8% per year, how much will the ring be worth in twenty-one years?
Answer:
$13,308
Explanation:
5.8% of 6000 is 348. 348 times 21 is $7,308. add 6,000 to 7,308 and you get $13,308
How did the Mughal Empire attempt to industrialize? And how did it resist industrialization?
Answer:
Mughal Empire attempt to industrialize through textile industry
It resist industrialization due to local supply-side forces—such as political fragmentation.
Explanation:
India was a major player in the world export market for textiles in the early 18th century, but by the middle of the 19th century it had lost all of its export market and much of its domestic market, primarily to Britain. The ensuing deindustrialization was greatest c1750–c1860. India’s deindustrialization was due to local supply-side forces—such as political fragmentation because local supply side forces were important from as early as 1700.
Which cell structures are seen in prokaryotic and eukaryotic cells?(check all that apple)
Anwser:
cell membrane
dna
ribosomes
cytoplasm
The Texas Adoption Study examined what in relation to intelligence?
The Texas Adoption Project: adopted children and their intellectual resemblance to biological and adoptive parents. ... Intelligence test scores were obtained from parents and children in 300 adoptive families and compared with similar measures available for the biological mothers of the same adopted children.
NEED HELP ASAP!
In which of the following ways did the middle class differ from the working class in the late 1800s?
A.
The middle class began to live in the suburbs, while the working class lived in the city.
B.
Most middle-class women had college educations, while most working-class women did not.
C.
Most middle-class women worked indoors, while most working-class women worked outdoors.
D.
The middle class were able to take vacations overseas, while the working class were only able to go to national parks.
Answer
the answer is B. most middle class women had college educations, while most working class women did not
hope this helps :)
What is NOT the purpose of the DSM?
Answer:
self diagnosing disorders upon yourself or others
Explanation:
The Diagnostic and Statistical Manual of Mental Disorders (DSM) is the handbook used by healthcare professionals in the United States and much of the world as the authoritative guide to the diagnosis of mental disorders. DSM contains descriptions, symptoms, and other criteria for diagnosing mental disorders.
Explain how indigenous languages have been under threat from primary economic activities in the Americas since the 1970s.
Answer:
The indiegendous people have been under att by our human race b/c we have been taking there homes and building other stuff
Explanation:
Indigenous languages have been under threat from primary economic activities in the Americas since the 1970s mainly because of geographic factors.
Most of the American indigenous groups have settled in their ancestral territories or have been relocated to rural sectors at the time without much strategic importance.
However, these formerly non-valuable territories have acquired importance based on their natural resources, with which the national governments of the different American countries have begun to exploit these resources, displacing the indigenous peoples of these territories.
Thus, this influence has begun to displace the native culture, imposing these territories and, therefore, in their population the culture, the languages and the predominant customs in these countries.
Learn more in https://brainly.com/question/11450294
The student claims that thermal equilibrium is reached at time t . Justify the student's claim. In your justification, include a description of what occurs at the particulate level when the alloy and the water have reached thermal equilibrium.
The student's claim that thermal equilibrium is reached at time t is justified by the principle that heat transfer between the alloy and water ceases when their temperatures become equal.
At the particulate level, initially, there is a flow of heat from the warmer substance (alloy) to the cooler one (water). As time progresses, the high-energy particles in the alloy collide with the lower-energy particles in the water, transferring heat until both achieve the same average kinetic energy.
At thermal equilibrium, these collisions result in a balance between energy gains and losses, leading to a stabilized temperature for both the alloy and water. This cessation of net heat transfer characterizes the attainment of thermal equilibrium.
An ocean basin will form in what location, relative to the major tectonic plates?
Ocean basins can form at rift basins where continental crust is pulled apart and subsequently subsides, or at subduction zones where one plate dives beneath another. Ocean basins influence the size and movement of tectonic plates and can close over time, possibly leading to supercontinent formation.
Explanation:An ocean basin is likely to form at a location where continental crust is being pulled apart due to the process of rift basin formation. As the crust on both sides of the rift subsides, the area initially becomes a narrow sea and, if rifting continues, eventually develops into an ocean basin. The East African rift basin is an example of an early stage in this process. Additionally, other types of basins such as trench basins, forearc basins, and foreland basins are associated with different tectonic settings such as subduction zones and the mass of volcanic ranges.
Ocean basins are relatively young geological features, not exceeding 180 million years in age. The formation of ocean basins can significantly influence the size of oceanic and continental plates, such as the expansion of the Atlantic Ocean due to the mid-Atlantic ridge spreading, which is not counteracted by subduction except in certain regions like the Caribbean. In contrast, the Pacific Ocean is slowly getting smaller because its formation rate is outpaced by subduction processes, such as under North America at the Cascadia Subduction Zone.
Over geological time, as oceanic crust subducts beneath continental crust, ocean basins can close, leading to continental collision and the potential formation of a supercontinent. Known cycles of supercontinent formation and breakup have occurred throughout Earth's history approximately every 500 million years.
Domy was raised in a collectivistic culture, while Naureen was raised in an individualistic culture. Based on their upbringings, it is most safe to conclude that compared to Naureen, Domy is more likely to keep a journal in which she highlights the ways that she is special and unique A skip going to a concert so she can have dinner with her family B tell her boss that a coworker did not contribute to a project so that she could get full credit for the work C speak up at a meeting to make sure her ideas are heard D try to run faster on the treadmill at the gym than the person on the treadmill next to her E
Domy, raised in a collectivistic culture, is more likely to prioritize family time over attending a concert, demonstrating the cultural emphasis on group unity and familial bonds.
Explanation:Given the cultural backgrounds of Domy and Naureen, it is most safe to conclude that compared to Naureen, Domy is more likely to skip going to a concert so she can have dinner with her family. In collectivistic cultures, like the one Domy was raised in, there is a stronger emphasis on group memberships and familial connections. Individuals in these cultures often define themselves in relation to others and prioritize the needs and desires of the group over personal interests. Therefore, Domy is more likely to value spending time with her family over attending a concert by herself. In contrast, Naureen, being raised in an individualistic culture, might prioritize personal experiences and achievements.
Why did General Lee’s final attempt to fight Union forces near Appomattox court house fail?
Answer:
c. prevented supplies from entering or leaving.
Explanation:
The siege of Vicksburg was a military campaign that took place during the American Civil War. In this campaign, the Union Army was able to prevent supplies from entering or leaving Vicksburg. This was the last major Confederate stronghold on the Mississippi River, and by capturing it, General Ulysses S. Grant was able to fulfill what was known as the Anaconda Plan.
Answer:
c
Explanation:
a 150 lb man has 2 beers, determine his BAC
BAC = ?
Answer: BAC = 0.056%
Explanation:-
Data given;
Weight of the man = 150 lbs (Wt)
Number of drinks = 2 beers
We know that
A beer contains 5% (0.05) of alcohol (D)
1 bear = 12oz
So 2 beer = 2 × 12 = 24oz (A)
Derived from widmark formula;
BAC for Male = (A × D × 5.14) / ( Wt × 0.73 )
BAC for Female = (A × D × 5.14) / ( Wt × 0.66 )
WHERE
A = Alcohol consumed in ounces (oz.)
D = percentage of alcohol written as a decimal
Wt = weight of person in pounds (lbs.)
Using BAC for male
BAC for Male = (A × D × 5.14) / ( Wt × 0.73 )
We simply input our values
BAC = ( 24 × 0.05 × 5.14) / ( 150 × 0.73)
BAC = 6.168 / 109.5
BAC = 0.056%
explain how two types of diffusion influences a food choice
Food choices are influenced by both cultural diffusion and innovation diffusion.
The spread of cultural elements from one society to another, significantly impacts food choices. As people encounter diverse cultures, their culinary preferences evolve. For instance, the popularity of sushi in Western countries exemplifies the cultural diffusion of Japanese cuisine. Through travel, migration, and globalization, individuals adopt flavors and dishes, broadening their culinary preferences.
The spread of new ideas or technologies, also plays a role in food choices. Advancements in food processing, cooking techniques, or even genetic modification create novel food options. Consider the rise of plant-based meat alternatives, a result of innovative technologies. As these alternatives become accessible, individuals incorporate them into their diets, reflecting how innovation diffusion shapes contemporary food choices.
In conclusion, cultural diffusion introduces diversity into food choices by spreading culinary practices, while innovation diffusion transforms options by introducing new technologies and food alternatives.
A polling agency is investigating the voter support for a ballot measure in an upcoming city election. The agency will select a random sample of 500 voters from one region, Region A, of the city. Assume that the population proportion of voters who would support the ballot measure in Region A is 0.47.
(a) What is the probability that the proportion of voters in the sample of Region A who support the ballot measure is greater than 0.50 ?
The polling agency will take another sample from a different region, Region B, of the city. The agency plans to select a random sample of 400 voters. Assume that the population proportion of voters who would support the ballot measure in Region B is 0.51.
(b) Describe the sampling distribution of the difference in sample proportions (Region B minus Region A).
(c) What is the probability that the two sample proportions will differ by more than 0.05 ?
To estimate the probability of a sample proportion being greater than 0.50 in Region A and the sampling distribution of the difference in sample proportions between two regions, we use normal approximation and the Central Limit Theorem, involving statistical calculations based on known population proportions and sample sizes.
Explanation:To answer whether a polling agency's investigation into voter support for a ballot measure will have a sample proportion greater than 0.50 in Region A and to describe the sampling distribution of the difference in sample proportions (Region B minus Region A), including the probability that the two sample proportions differ by more than 0.05, we follow a statistical approach based on the Central Limit Theorem.
For Region A, assuming a population proportion of 0.47 and a sample size of 500, the probability of the sample proportion supporting the ballot measure being greater than 0.50 can be calculated using the normal approximation. This involves finding the z-score for the sample proportion and then using the standard normal distribution to find the associated probability.
For the sampling distribution of the difference in sample proportions (Region B minus Region A), we need to combine the variances of both sample proportions due to the Central Limit Theorem. This allows us to assess the probability that the two sample proportions will differ by more than 0.05 using a similar z-score and standard normal distribution approach.
The techniques applied involve the use of normal approximation to calculate probabilities and assumes a large enough sample size for the approximation to be accurate.
For weekly town council meeting in a certain town the distribution of the duration of the meeting is approximately normal with mean 53 minutes and standard deviation 2.5 minutes for weekly arts council meeting in the same town the distribution of the duration of the meeting is approximately normal with mean 56 minutes in a standard deviation of 5.1 minutes
Answer:
The population distributions are approximately normal.
Explanation:
It states in the text that the meeting is approximately normal, which is why it can be followed by a normal distribution.
The question deals with the application of normal distribution concepts in statistics, particularly in calculating probabilities and conducting hypothesis tests about the duration of town and arts council meetings.
Explanation:The question pertains to the concept of normal distribution within statistics, a branch of mathematics. Specifically, it deals with two different normally distributed populations: the duration of town council meetings and the duration of arts council meetings in a certain town. To answer questions related to these distributions, one would need to understand the properties of the normal distribution, including calculations involving the mean, the standard deviation, and the z-score, which can then be used to find probabilities or to conduct hypothesis tests such as comparing means or evaluating claims about sample data from the populations in question.
For instance, if one were asked to calculate the probability that a randomly selected town council meeting lasts more than 55 minutes, they would standardize this value using the mean and standard deviation for the town council meeting's duration and refer to the standard normal distribution table to find the appropriate probability.
In another scenario, if a hypothesis test were conducted to determine if the mean duration of arts council meetings significantly differs from the mean duration of town council meetings, one would formulate null and alternative hypotheses, calculate the test statistic from sample data, and compare this to a critical value or p-value to conclude the claim.
A significance test was conducted using the hypotheses H_0: \mu_N-\mu_H=0, H_a: \mu_N-\mu_H < 0H 0 :μ N −μ H =0,H a :μ N −μ H <0 where \mu_Nμ N is the true mean number of fouls called during games played at neutral sites and \mu_Hμ H is the true mean number of fouls called during games played at the home team’s stadium with a resulting P-value of 0.24. Which of the following is an accurate interpretation of this P-value?
Answer:
(D) If the null hypothesis is true, there is a 24% probability of getting a sample difference in means as far or farther below 0 as the difference found in the samples.Explanation:
If the null hypothesis is true, there is a 24% probability of getting a sample difference in means as far or farther below 0 as the difference found in the samples.
What is the calculation for the given sample?H0 : μN ≤ μD
H1 : μN > μD
Right tailed
Test statistic = 1.33
Pvalue = 0.097
Fail to reject the Null
H0 : μN ≤ μD
H1 : μN > μD
The test is right tailed ; culled from the direction of the greater than sign ">"
Night students :
n1 =30 x1= 3.34 s1 = 0.02
Day students:
n2 = 30 x2 = 3.32 s2 = 0.08
The test statistic :
(x1 - x2) / √(s1²/n1) + (s2²/n2)
T= (3.34 - 3.32) / √(0.02²/30) + (0.08²/30)
T = 0.02 / 0.0150554
Test statistic = 1.328
Using the conservative approach ;
df = Smaller of n1 - 1 or n2 - 1
df = 30 - 1 = 29
Pvalue(1.328, 29) = 0.097
At α = 0.10
Pvalue < α ; Hence, we reject H0 ; and conclude that there is significant evidence that GPA of night student is greater than GPA of day student.
Therefore, If the null hypothesis is true, there is a 24% probability of getting a sample difference in means as far or farther below 0 as the difference found in the samples.
Learn more about hypothesis on:
https://brainly.com/question/30665946
#SPJ3
NEED HELP ASAP!!
Which of the following was NOT an economic reality in the New South?
A.
The price of cotton steadily rose.
B.
New construction methods improved buildings.
C.
The expansion of railroads brought more jobs.
D.
New sawmills and factories opened.
Answer:
A. The price of cotton steadily rose
Explanation:
The prices for cotton were still low. That caused economic problems.
What was not an economic reality in the New South was steadily rise in price of cotton.
The new south was a term coined after Reconstruction era in South region and there goals includes to
repress the blacks at the expense of whitesto increase their political power.In the New south, the price for cotton were very low and these caused many economic problems especially for the farmers.
Hence, the statement that was not an economic reality in the New South was steadily rise in price of cotton.
Therefore, the Option A is correct.
Read more about New south
brainly.com/question/7640924
Where does the refrigerant change from a gas to a liquid and then from a liquid to a gas? (in a car)
Answer:
BOILING
Explanation:
In which of the following ways did the middle class differ from the working class in the late 1800s?
A.
The middle class began to live in the suburbs, while the working class lived in the city.
B.
Most middle-class women had college educations, while most working-class women did not.
C.
Most middle-class women worked indoors, while most working-class women worked outdoors.
D.
The middle class were able to take vacations overseas, while the working class were only able to go to national parks.
The middle class in the late 1800s differed from the working class in terms of their living arrangements, level of education for women, and opportunities for leisure and travel.
Explanation:The middle class differed from the working class in the late 1800s in several ways. One key difference was that the middle class began to live in the suburbs, while the working class lived in the city. The middle class had the means to move away from the noise and crowds of the city and live in more comfortable suburban areas. Another difference was that most middle-class women had college educations, while most working-class women did not. This education allowed middle-class women to pursue professional careers, while working-class women were more likely to work in factories or perform domestic duties. Finally, the middle class had more opportunities for leisure and travel. They were able to take vacations overseas, while the working class could only afford to go to national parks.
APUSH HELP! NEED ANSWERS ASAP!!!!
The breakup of the Great Sioux Reserve in the Black Hills into six smaller reservations was representative of larger patterns in that it exemplified
A.
the U.S. government punishing Native American tribes for allying against U.S. army forces.
B.
white settlers taking Native American land in retribution for lives lost in battles for territory.
C.
the U.S. government giving land it had previously allocated to Native Americans to white settlers.
D.
white settlers making an illegal claim to lands that the government had forbade them from entering.
American settlers were able to move west with relative ease to seek their fortunes because of the U.S. government's
A.
provision of 160 head of cattle for each family willing to hold down a homestead for five years.
B.
guarantee of equal opportunities for people of all genders and races when it came to settling land.
C.
willingness to provide them with land traded, purchased, or taken from other countries or peoples.
D.
creation of the Chisholm Trail to make the movement of cattle from ranches to areas with larger markets.
The Panic of 1873 was brought on primarily by
A.
low railroad profits and a drop in the price of grain.
B.
government sales of gold and checks on corporations.
C.
lack of confidence in railroads and the rise of the steamship.
D.
mistrust of monopolies and loss of faith in vertical integration.
Answer: its c
Explanation:
Answer:
Answers
C
C
A
Explanation:
i took the practice test
A polling agency is investigating the voter support for a ballot measure in an upcoming city election. The agency will select a random sample of 500 voters from one region, Region A, of the city. Assume that the population proportion of voters who would support the ballot measure in Region A is 0.47.
(a) What is the probability that the proportion of voters in the sample of Region A who support the ballot measure is greater than 0.50 ?
The polling agency will take another sample from a different region, Region B, of the city. The agency plans to select a random sample of 400 voters. Assume that the population proportion of voters who would support the ballot measure in Region B is 0.51.
(b) Describe the sampling distribution of the difference in sample proportions (Region B minus Region A).
(c) What is the probability that the two sample proportions will differ by more than 0.05 ?
Answer:
(a) 0.0901
(b) 0.0335
(c)0.3821
Explanation: Check the attachment
A psychologist conducted a study at her home during an annual activity of children wearing masks and going
door-to-door receiving candy. Some of the children arrived alone, while others arrived in a group. Over the
course of the night, the psychologist asked half of the children to remove their masks when they arrived at her
door. The remaining half kept their masks on. The psychologist told every child to take only one piece of candy.
She then went inside the house, leaving the bowl of candy outside. This gave children the opportunity to take
additional candy. The psychologist measured the percentage of children who took additional candy. The
psychologist’s hypotheses were that children would take more candy when they were alone and that children
would take more candy when they were masked. The results are shown in the graph below; assume all
differences are significant.
Answer:
Deindividuation occurs when children go to some where in a group form.
Explanation:
Deindividuation is a process in which the person act differently when they are in the form of group as compared to alone. This means that the emotion of one person spreads like a flu in the group. If one person act differently in a group which is not appropriate, the other persons of the group do the same because this is human psychology. Those children that were not identify due to wearing cosumes steals more candy because they know that they were not identify by the other person.
CAN SOMEONE GIVE ONLY A THESIS STATMENT FOR THIS PROMPT?
On the tenth anniversary of the assassination of Dr. Martin Luther King, Jr., labor union organizer and civil rights leader Cesar Chavez published an article in the magazine of a religious organization devoted to helping those in need. Read the following excerpt from the article carefully. Then, write an essay that analyzes the rhetorical choices Chavez makes to develop his argument about nonviolent resistance.
Answer:
In his article, published on the 10th anniversary of the assassination of Dr.Martin Luther King Jr., Caesar Chavez, invokes the locals of Dr. King and advocates for nonviolent resistance. Implementing a resolute tone, he asserts that only nonviolence will be able to achieve the goals of civil rights activists. By using a contrasting diction to differentiate violent actions and non violent actions, he is able to reason for virtues of the later; likewise in his connection and use of plural pronouns and a rhetorical question help drive his argument for nonviolent resistance.
the ending could be
Chavez is able to present a very effective arguement for nonviolent resistance through countless rhetorical devices. His resolution and conviction polishes off his point nicely and is able to instill the same confidence in his audience. His powerful assertions whether in the form of short sentences or phrases such as "we are convinced", "we know," or "we believe," effectively persuade the reader on the merits of nonviolent resistance.
Explanation:
What are the fields that have been impacted the most by these technologies?
Individual answers may vary, but your answer is expected to include some of the following points.
The impact of the Internet and the World Wide Web can be best understood by identifying the fields that have been influenced the most by these technologies. These may include education; banking, trade, and commerce; up-to-the minute weather reports; shopping; information exchange; socializing and self-expression; the arts; entertainment; navigation (maps); publishing; business networking.
What makes thermal imaging cameras useful?
Answer:
Image result for What makes thermal imaging cameras useful?
Thermal imaging cameras are handheld electronic devices with an integrated visual display, designed for detecting heat energy.
Explanation:
Answer:
During this pandemic thermal imaging cameras can help seek out people who are sick in public because the thermal camera shows that there body is red because there body temperature is higher. Hope this helps. *Brainliest appreciated
Explanation:
Limestone and quartz are common minerals found in Florida. Sarah has a piece of each, but does not know which is which. To find out, she plans an investigation to determine the density of each sample, because limestone has a lower density than quartz. Density is equal to the mass divided by volume. She places a piece of each mineral into a graduated cylinder that contains water. The table shows the measurements Sarah recorded. What can Sarah most likely conclude is true? Mass of Mineral 1 9.50g Mass of Mineral 2 9g Volume of water in graduated cylinder 25ml Volume of water and mineral 1 in graduated cylinder 30ml Volume of water and mineral 2 in graduated cylinder 28.4 ml *
a.) Mineral 2 is limestone because it has less mass
b.) MIneral 1 is limestone because it has more mass
c.) MIneral 1 is limestone because it has a lower density
d.) Mineral 2 is limestone because it has a lower density
Answer: c.) Mineral 1 is limestone because it has a lower density
Explanation:
Given data:
Mass of Mineral 1 = 9.50g
Mass of mineral 2 = 9g
Volume of water in graduated cylinder = 25ml
Volume of water displaced by mineral 1 = 30ml
Volume of water displaced by miners 2 = 28.4ml
Therefore;
Density of mineral 1
= 9.50g / 30ml
= 0.3167 kg/m^3
Density of mineral 2
= 9g / 28.4
= 0.3169 kg/m^3
Therefore Mineral 1 is limestone because due to it’s lower density.