The institutional review board is a body that is set up under FDA regulations and the reason why is that so that they ca safeguard the rights and welfare of subjects, institutional review boards (IRBs) are responsible with reviewing all experiments that pertains to human participants.
Why was the Institutional Review Board created?This is known to be an Institutional Examine Board and it is a body that has been explicitly authorized to review and oversee biomedical research involving human beings in accordance with FDA standards.
An IRB has the power to approve, demand changes be made (to achieve approval), or disapprove research in accordance with FDA standards.
Note that Initial and ongoing reviews of research involving human subjects make up the two main areas of duties for IRBs. The goal of IRB review is to confirm that ethical standards for the treatment and protection of human subjects have been established and that research activities adhere to all relevant laws (federal, state, and local), as well as Fred Hutch policy.
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what is an institutional review board and why are they created.
Humans care for their children longer than most other species. Over the past couple of decades, teenagers have stayed in their family's homes longer than previous generations. Can this trend be attributed to the evolution of traits concerning survival? Why or why not?
Teenagers staying in their family's homes longer than previous generations can't be attributed to the evolution of traits because it isn't inherited and it's just a choice.
What is Evolution?This is referred to as the changes which occurs in the inherited traits of a population of organisms through successive generations and increases the chances of survival.
The trend which is about teenagers staying in their family's homes longer than previous generations is just a decision in the way parents of the present generation have loosened up in ensuring their children are independent before leaving their home in other to prevent negative effects such as crime etc.
Since the traits aren't passed from parents to offspring then it is not an evolution of traits concerning survival.
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If a research study is supposed to investigate why a school has a high student dropout rate, but actually ends up investigating why students choose to remain in school, what can be said about the research?
It lacks face validity.
It lacks face validity.
It lacks confounding validity.
It lacks confounding validity.
It lacks ecological validity.
It lacks ecological validity.
It lacks construct validity.
It lacks construct validity.
It lacks internal validity.
Answer: It lacks ecological validity
Explanation: It measures how test preformance predicts behaviours in the real-world settings and see some dropout if it's to hard or they don't care and others to choose to stay to take a challange or to get a better understanding on what they are doing or learning.
Answer:
The other person who answered is wrong. It lacks construct validity
Explanation: It didn't measure what it had intended to measure (drop out rates)
1. Thirty-four college students were asked how much money they spent on textbooks for the current semester
Their responses are shown in the following stemplot.
A) From the information given, $810 is the outlier.
B) With regard to the distribution of money, it is correct to state that the distribution is skewed to the right.
What are Outliers?An outlier is a value in a random sampling from a population that is significantly different from the other values. In some ways, this interpretation leaves it up to the analyst (or a consensus process) to determine what is abnormal.
Analysis leading to the solution:
From the plot, the stems are given as:
Stems: 1 2 3 4 5 6 7 8
However, stem 7 does not have any leaf. Using the above information, the next entry after 620 is 810. 810 is relatively distant from the other datasets. Therefore 810 is an outlier.
With the above, it is correct to conclude that the distribution is skewed to the right.
It is to be noted that an outlier might imply faulty data. For example, the data may have been wrongly coded, or an experiment could have been done erroneously. If it is discovered that an outlying point is incorrect, the outlying value should be removed from the analysis (or corrected if possible).
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Full Questions:
Thirty-four college students were asked how much money they spent on textbooks for the current semester. Their responses are shown in the following stemplot.
1 2 3 3 4 5 5 6 7 8
2 1 2 3 4 5 6 8 8 9 9 9
3 1 2 2 7 8 9
4 1 4 5 7
5 1 3
6 2
7
8 1
Key: 1|2 = $120
a. Describe a procedure for identifying potential outliers, and use the procedure to decide whether there are outliers among the responses for the money spent on textbooks.
b. Based on the stemplot, write a few sentences describing the distribution of money spent on textbooks for the 34 students.
What stage is Finland on Zelinsky’a model of mobility transition????
The stage that Finland is on Zelinsky’s model of mobility transition is stage three.
What is the stage three of Zelinsky’s model of mobility transition about?The Stage three ( is seen as Late transitional society) and this is one that is the "critical rung of the mobility transition" where urban-to-urban migration is said to be more than rural-to-urban migration.
Note that It is also one where rural-to-urban migration "continues but at waning absolute or relative rates," as well as "a complex migrational and circular movements within the urban network, from city to other kind of city or inside one metropolitan region" is said to have also increased.
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Which stage of the Demographic Transition Model do you think the person is living in? and explain why.
Koji is 25 years old and an only child. He attends a local university for computer science. He lives with his mother, father, and grandparents who are over 100 years old. They recently celebrated their 75th wedding anniversary.
Since Koji is 25 years old and an only child and He attends a local university for computer science. The stage of the Demographic Transition Model do you think the person is living in is stage 4.
What are the 5 stages of the demographic transition?The Demographic Transition Model are:
Stage 1 - High Population Growth Potential.
Stage 2 -Population Explosion.
Stage 3- Population Growth Starts to Level Off.
Stage 4 - Stationary Population.
Stage 5 -some Changes in Birth Rates.
At stage 4, the rates of birth and death are both low. If a result, as birth rates fall below the "replacement level," or as families are having an average of less than two children each, the population may stay the same or even decline.
Therefore, one should anticipate that the generation born in the second stage of the demographic shift is currently aging. In the meantime, these aging people of society must be supported by the potentially declining working population.
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use the DTM explain Europe's development as a source
of international migrants between 1800 and 1920
The use of DTM explain Europe's development as a source of international migrants between 1800 and 1920 is that it was in:
It was in Stages 2 to 3.There was high to moderate migration because overpopulation brought on by the industrial revolution.There was improved medical procedures as well as urbanization.What is the Europe's development about?Europe was at the second stage of development. Actually, they are in this stage as a result of the industrial revolution. Consequently, they had high rates of birth and low rates of death. They consequently overflowed.
Therefore, This caused numerous problems with the distribution of land and access to economic opportunities. Despite being in the midst of an industrial revolution, there were too many people and not enough jobs or land.
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