Question 15
Which situation is an example of an observational study?
A. Measuring the weights of patients who come for a check-up in a
hospital
B. Asking voters about the candidate they prefer
C. Testing the effectiveness of a new reading program by allowing a
classroom to use it and comparing the results with another
classroom that doesn't use it
D. Having customers who bought a certain type of car answer
questions about their satisfaction with the car
SUBMIT

Answers

Answer 1

Answer:

A. Measuring the weights of patients who come for a check-up in a

hospital

Answer 2

The situation that is an example of an observational study is measuring the weights of patients who come for a check-up in a hospital. The correct option is a.

What is an observational study?

The observational study draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints.

One common observational study is about the possible effect of a treatment on subjects, where the assignment of subjects into a treated group versus a control group is outside the control of the investigator. This is in contrast with experiments, such as randomized controlled trials, where each subject is randomly assigned to a treated group or a control group. Observational studies, for lacking an assignment mechanism, naturally present difficulties for inferential analysis.

A 2014 Cochrane review concluded that observational studies produce results similar to those conducted as randomized controlled trials.

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Related Questions

Need help with drivers Ed question

Answers

Answer:

It is a two way road

Explanation:

Traffic circles are generally two lanes going in, two lanes coming around and two lanes exiting the circle

Answer:

it's a two-way road I'm pretty sure

Select the correct answer.
Who can propose an amendment to the Constitution?
A a simple majority of Congress
B. the president
с.
the Supreme Court
D.
a two-thirds majority of Congress

Answers

The answer should be d

Answer:

d

Explanation:

a two-thirds majority of Congress

What is the first step when investigating an arson?
Photograph the scene of the fire.
Question witnesses who observed the fire burning.
Identify the "plant"—the material used to set the fire.
Identify the point of origin of the fire.

Answers

Answer:

identify the plant - the material that used to set the fire

Ms. Y went to Alluta Hotel together with her friends for the celebration of her birthday. At the close of the event her friends could not find some of their items and some complained of stomach upset from the food and beverage served. Given their social media presence, Ms. Y and her friends posted their complaints online. Discuss the legal issues arising from this situation.

Answers

Answer:

may be that ms.y and her friend is just spreading rumor about that hotel .. maybe she already had some issues with the people there ..and they were just doing it as a revenge ... it doesn't makes sense when we think no one complain except both of them

mọi quy tắc xử sự tồn tại tròn xã hội có nhà nước đều là pháp luật đúng hay sai? Giải thích

Answers

Answer:

Sai lầm

Explanation:

Mọi quy tắc xử sự tồn tại trong xã hội có nhà nước đều là pháp luật.

Sai. Các quan hệ xã hội của chúng ta được điều chỉnh bơi các quy phạm đao đức và các quy phạm pháp luật, mà các quy phạm đạo đức thì có thể đượec thể chế hóa và đưa lên thành các quy phạm pháp luật nhưng không phải quy phạm đạo đức nào cũng được dưa lên thành luật cả. Tồn tại xã hội quyết định ý thức xã hội cho nên các quy tắc ứng xử đựoc coi là các chuẩn mực đạo đứa đó đó không nhất thiết phải được xem là pháp luật mà nó song song tồn tại trong xã hội

How are members of house committees determined?

Answers

Types of Committees
There are three types of committees: standing, select, and joint.

Standing committees are permanent committees whose jurisdiction is identified in the House Rules.

Select committees are created by a resolution to conduct investigations or consider measures, usually on a specific topic, and are not renewed on a permanent basis.

Joint committees, such as the Joint Committee on Taxation, have both House and Senate members and typically conduct studies rather than consider measures.

Number of Standing Committees
There are currently 20 standing committees and one permanent select committee in the House. For current committee information, please refer to the website of the Clerk of the House.

Answer:

Each of the committees is determined at the beginning of each Congress by House leaders who set the number of committees and subcommittees, their size, and the ratio of majority to minority members on each panel.

Explanation:

Each of the committee is determined at the beginning of the Congress

Chủ thể nào bắt buộc là cá nhân đủ điều kiện theo quy định pháp luật:
a. Cổ đông sáng lập công ty cổ phần c. Thành viên hợp danh
b. Thành viên của công ty hợp danh d. Thành viên công ty TNHH

Answers

Answer:

What's this bro

Explanation:

kichdi aaaaaaa

Which of the following best explains how the need for eldercare impacts
estate planning?
A. Eldercare costs only impact estate planning and estate taxes
for individuals with assets of over $5 million.
B. If eldercare is needed, the individual's estate becomes the
property of the organization providing the care.
C. The high cost can have a significant impact on an estate's
assets and how those assets will eventually be distributed to
beneficiaries
D. Because eldercare is provided by government programs
without any cost to the individual receiving care, it does not
impact estate planning,

Answers

Answer:

A. Eldercare costs only impact estate planning and estate taxes

for individuals with assets of over $5 million.

Answer:

C. The high cost can have a significant impact on an estate's

assets and how those assets will eventually be distributed to

beneficiaries

Explanation:

I got it wrong.

In determining whether a witness is credible, an investigator should (check all that apply):

A. observe the witness's demeanor while speaking

B. refrain from reaching conclusions about a witness's veracity

C. consider the witness's bias and motive to testify

D. consider whether the individual has the ability to make an effective witness

Answers

I’m pretty sure the answer is C and D.

A and B you would not take into account while determining by if credible.

C and D are 2 very important things to take into account.

Which of the following parties is permitted to view all entries in the Notary Signing Agent Notary journal?

A) Contracting Companies and Lenders
B) Borrowers and signing Parties
C) Police with a warrant for Journal

Answers

Answer:

C) Police with a warrant for Journal

Explanation:

Which of the following is not an instruction that would be given to witnesses to prepare them for trial?
If asked to give exact times or measurements, "approximate" your responses.
It is best to elaborate and give detailed answers to questions.
Always control your emotions while on the witness stand.
Always tell the truth and testify with confidence.

Answers

Answer:

Always control your emotions while on the witness stand

Explanation:

Judges are very smart and with your actions while on the witness stand tell them what you mean. so your explanation should. be of reasonable doubt.

The way to the house ?

Answers

Answer:

what is the house in question

Explanation:

do yo have a screen shot

What is your question?

Red is a union official. He is faced with a problem when a union member breaks a union bylaw. To address the union member’s fault, Red and union officials meet together and decide to kick the union member out of the union. Which of the following is true

Answers

Answer:

red is a union official

Explanation:

that one is true

the law enacted by the military is called what​

Answers

In simple terms, decrees are federal laws made in a military regime, edicts are state laws in a military regime.

How Can We Get Khula in Pakistan?
http://www.advocateinlahore.com/khula-procedure-in-pakistan/

Answers

Answer:

To apply for Khula the wife would need to file a suit for Khula in the Family Court under the West Pakistan Family Courts Ordinance, on the grounds that she feels she can no long live with her husband “within the limits prescribed by Allah' and such a statement on oath made in her suit would be sufficient to establish

Explanation:

The type of government in which eligible members of society make decisions by voting is known as what?

Answers

The answer is: Democracy

If Kripto sues Attorney Porquine for breach of the Jones-Porquine contract to recover what he would have received under the will, could Attorney Porquine successfully defend himself due to Kripto not having standing to sue? Why or why not?

Answers

Answer:

Following are the solution to the given question:

Explanation:

No, Sandy Porquine cannot defend himself successfully. This is because Kripto is the designated beneficiary in the contract between Emma Jones and Sandy Porcupine. Beneficiaries intended to seek a court resolution (have a duty to prosecute) if their contract rights are violated. Sandy Porquine also couldn't apply this theory effectively, Kripto had obtained a right.

give a description of a recent (2018-2020) example of how xenophobia has displayed itself in community's​

Answers

Answer:

https://www.hrw.org/report/2020/09/17/they-have-robbed-me-my-life/xenophobic-violence-against-non-nationals-south

A writing sample that has been made to look like someone else's handwriting is a:

Answers

Answer:

cursive

Explanation:

Importance of censorship in the media

Answers

Answer:

it's important because it helps to filter out the nudity, real life violence and

the use of profanity.

Explanation:

in simple ways .. we can see the truth of government .. we may find out the reason and secrets ..

Importance of censorship in the media is for ethical, political, or security concerns, it represses writing or speaking. Social media censorship has the potential to provide a false perception of society.  

What do you mean by the censorship?

When some people are successful in imposing their own political or moral ideals on others, censorship—the suppression of "offensive" words, images, or ideas—occurs.

Many would contend that social media censorship is necessary because it might curb online hostility to an unhealthy degree.

Although there may be some merit to this, if harsh and unpleasant speech is permitted to be muted, who knows what else will be banned in the future?

Social media censorship has the potential to provide a false perception of society.

Therefore, importance of censorship in the media is for ethical, political, or security concerns, it represses writing or speaking. Social media censorship has the potential to provide a false perception of society.  

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Which foods are not allowed on clear liquid diet

Answers

Answer:

the things on the left are the answer

QUESTION 11
Which of the following is an important consideration in setting up the proper environment to complete tasks on time?

Answers

The correct answer to this open question is the following.

Unfortunately, you forgot to attach the options for this question.

However, we can help you to answer based on our knowledge of this topic.

In general terms. there is an important consideration in setting up the proper environment to complete tasks on time. This consideration is to learn to establish priorities.

Yes, this is the most important thing when setting up the proper environment to complete tasks on time.

Time management is a must for leaders, directors, managers, and coaches. These people in top positions in corporations must create a good plan, establish clear goals, followed up by strategies and tactics to accomplish those goals, and being productive.

For this to happen, they have to establish priorities, focus on the task at hand, establish a proper environment that is conducive to the activities that need to be done, and eliminate distractions to foster the correct habits that create productivity.

Answer:

Explanation: a limited distractions

b free from distractions

c a cluttered work space

d working whenever time allows

civil cases cannot be tried by what?

A judge

A judge and jury

Third party arbitrator

An arbitrator not agreed upon


Answers

In a civil trial, a judge or jury examines the evidence to decide whether, by a "preponderance of the evidence," the defendant should be held legally responsible for the damages alleged by the plaintiff.

Which of the following is a philosophical question?


Who do you spend the most time with?


What is friendship?


On average, how many people get married every month?


How many friends do you have on social media?

Answers

Answer:

What is friendship?

Explanation:

A philosophical question are those questions in which there are no direct answers such as yes or no and which the answers are open for debate, rational and can be argued.

Therefore, from the given answer choices, the example of a philosophical question is "What is friendship?"

Vehicle A was parked alongside the right curb just behind vehicle B. The driver of vehicle A
came out of the dry cleaner’s and hung the dry-cleaned clothes over the left rear window. The
driver entered vehicle A and checked for traffic in the rearview mirror. Seeing none, the driver
began to move the vehicle away from the curb and into the traffic lane. Vehicle C, traveling in
the same direction and coming from behind vehicle A, crashed into the driver’s side of vehicle
A. The impact pushed vehicle A into the left side of vehicle B.
How could the collision have been avoided?

Answers

Answer:

By not hanging clothes over the left rear mirror. This maneuver blocked the blind spot of vehicle A. Given that they are parallel parked in an area of commerce, however, one could also argue vehicle C should have been paying more attention as well. Had Vehicle C reacted to the movement of Vehicle A in a swifter manner, there would also have been no collision. This, combined with lower residential speed limits implies C was distracted driving.

Parking is not allowed within feet of any flashing signal stop sign or trafic signal

Answers

Within 30 feet of any flashing signal, stop sign or traffic signal. In such a way that you block or create a hazard for other vehicles.

Which of the following offences is a form of larceny that involves the stealing of money and valuables from a victim without his or her noticing at that time?
pocket-picking
plastic workers
embezzlers
account hacking

Answers

Answer:

pocket picking

Explanation:

I think that is the answer

How do you proceed if an item is out of stock

Answers

Keep page up. ...
Explain why the item is out of stock. ...
Include an estimated availability date. ...
Show inventory quantities by size and color. ...
Display channel availability. ...
Offer related or replacement items. ...
Provide email or text notifications.

what can the government do to reduce juvenile delinquency?​

Answers

Answer:

In general, the Office of Juvenile Justice and Delinquency Prevention recommends that the following types of school and community prevention programs be employed: Classroom and behavior management programs. Multi-component classroom-based programs. Social competence promotion curriculums.

Explanation:

hope it help

Why You could speculate that is important for motorists to keep up to date with traffic laws and driving techniques?

Answers

Because motorist are in higher danger to an accident then a vehicle. These up to date traffic laws can save their lives.
Other Questions
Need the help thanks guys Name the indicated geometric figures for the figure shown. Be sure to use correct notationA Name a point.B Name a ray through Y.C Name a line through Z.D Name a plane. Create a Guide to a Healthy Visit brochure in French for tourists from French-speaking countries who plan to visit your hometown this year. Your brochure should contain 3-5 relevant images and describe the following:healthy foods they can eat and where they can find them in your hometownphysical activities and exercises they can do to stay fit during their visitwhere should they go in case they get sick during the visitminor illnesses theyre at risk of contractingwhat to do in an emergencyUse the following link to learn about important topics to related to traveling to another country: Survival Guide to Safe and Healthy Travel. Remember that the goal of this activity is to practice the vocabulary you learned in the unit. u4gent help needed help me with the question of o.math Find the first three terms of the sequence given by the following.a n = 25-3(n 1), n= 1, 2, 3, ...A. 28, 25, 22B. 25, 22, 19C. 25, 28, 31D. 28, 31, 34 8-2 3/4 =show the work An article describes an experiment to determine the effectiveness of mushroom compost in removing petroleum contaminants from soil. Out of 155 seeds planted in soil containing 3% mushroom compost by weight, 74 germinated. Out of 155 seeds planted in soil containing 5% mushroom compost by weight, 86 germinated. Can you conclude that the proportion of seeds that germinate differs with the percent of mushroom compost in the soil Which of the following is NOT an effective way for a person to boost their self-esteem?A. Learn to view failures as opportunities for learning and future growthB. Reframe negative thoughts of failure into positive ones of effort and progressC. Seek opportunities to learn, grow, and achieve without focusing on perfectionD. Surround yourself with people who stress achievement and perfection over anything else HELP ITS DUE IN THE MORNING AND ITS 3:57 Hi, help me solve/ hola me ayudan a resolver. imagine you are Aisha write two diary entries where you reavel your emotional, feelings Each day Jose spends 2/3 of an hour playing the piano and 1/4 of an hour practicing music theory. What is the total fraction of an hour that Jose spends playing the paino and practicing music theory each day? Find the vertex of the following equation: y = -0.25x2 + -1.5x + 6 a coin is tossed succesively three times times . determine tje probabiliy of getting all three heads a sum of money Doubles itself in 5 years what is rate of simple interest Find f(-2)..................................... Which foods are not allowed on clear liquid diet [6] a) I haven't readied your book yet. (Into Affirmative) b) He'd rather find him noisy and restless. (Add question tag) c) People believe that the life in the city is easy and comfortable. (Change into passive voice) d) The teacher asked me whether I had completed the assignment the day before. (Change into direct speech) The manila folders are stored __________ the top of the shelf of the storage cabine A sporting equipment store expects to purchase $8,200 of ski boots in October. The store had $2,800 of ski boots in merchandise inventory at the beginning of October, and expects to have $1,800 of ski boots in merchandise inventory at the end of October to cover part of anticipated November sales. What is the budgeted cost of goods sold for October?a) $7,000.b) $9,000.c) $8,000.d) $12,000.e) $11,000.