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Tasya [4]
3 years ago
8

Sam is studying how children respond to a new intervention for learning math and if it helps them later. She decides to follow t

wo groups of children across several years of their life. What type of research design is this?
a)Cross-sectional
b)Longitudinal
c)Cross-sequential
d)double-blind
Medicine
1 answer:
Ghella [55]3 years ago
6 0

Longitudinal

Option B.

<u>Explanation:</u>

Longitudinal type of research design is a type of research design which takes in to consideration the same group for the study but this study goes on  for a long period of time.

This type of research design is longitudinal in the sense that the research has same group of students in it but the study will go on for many years to see the effect of the new method for learning math for different years of life of those students.

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Answer: 80 gm

Explanation:

Each time have to take 1 dose of metaproterenol or 20 mg

Daily have to take 4 dose of metaproterenol or (4*20) mg = 80 mg

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4 0
2 years ago
Anemia can be caused by a diet lacking in which nutritional substances?
wel

Answer:

The best answer to the question: Anemia can be caused by a diet lacking in which nutritional substances?, would be, D: Folic acid and vitamin B12.

Explanation:

Anemia, is usually defined as a problem in the formation of red blood cells, or, erythrocites. Usually, there are a number of nutrients, such as vitamins and minerals, that play a vital role in the formation of these erythrocites. One such mineral is iron, which is why, when it is lacking in the diet, it can cause an anemia called iron-deficiency anemia. In this case, the anemia, which is either a reduced production of red-blood cells, or, cells that are incapable of carrying out their duty as oxygen-transporters, is caused by a dietary deficiency. Another form of this can be when the body itself, through an illness, is incapable of producing these cells. However, aside from iron, there are other two nutrients that are vital in the correct formation of erythrocites, and in their being efficent transporters: folic acid, also known as folate, and vitamin B12, both necessarily supplied by the diet, as the body cannot produce them.

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