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Rzqust [24]
3 years ago
15

To investigate the effects of a new drug for hyperactivity, one group of children is given this new drug, while the other group

is given a placebo. In order to minimize both research participant bias and researcher bias, this experimenter has his assistant label the drug and the placebo with a letter name so that he will not know which group of children is getting the placebo and which group is getting the new drug until the end of the experiment. This researcher is using______.
Social Studies
1 answer:
prohojiy [21]3 years ago
5 0

The correct answer is double- blind experiment to minimize research participate bias and researcher bias

Double-blind Experiment is a method of clinical trial carried out on human beings where neither the examine nor the examiner knows what is being used as a variable at any given time. It is commonly used as a criterion for validating quantitative experimental practices in science.

Without this intellectual tool, it would be very difficult to carry out any scientific tests involving human beings with confidence. The purpose of the double-blind test is to avoid any conscious or unconscious interference with the results of an experiment.

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How did a warming climate 12,000 to 10,000 years ago impact the Paleo Indians living in the Americas at the time?
lisabon 2012 [21]
I think that the best answer is: <span>b.paleo Indians relied less on hunting big animals and more on fishing and gathering food


let's look at the options:  </span><span>

a. paleo Indians went to war with each other on a large scale due to scarce water resources
- This could be true if it was really hot, but this was not the case. Warming did not mean a really hot climate, but less harsh: so actually, there would be more, not less water resources.


b.paleo Indians relied less on hunting big animals and more on fishing and gathering food
- this is possible ! a warmer climate would mean that there would be more possibility to fish or gather food, which would mean that people didn't have to hunt - and they would not want to hunt big animals, as it's dangerous.

c.paleo Indians faced food shortages that resulted in a lower population
-no, a warmer climate would mean more, not less, food

d.paleo Indians lost land to rising sea level's</span>
-no, they still had a lot of land.
5 0
2 years ago
The health education philosophy that espouses the enactment of policies or laws to enhance the health of individuals and groups
tamaranim1 [39]
The health education philosophy that espouses the enactment of policies or laws to enhance the health of individuals and groups is: <span>social change philosophy</span>
6 0
3 years ago
I will give u brainliest and 5 star and thanks if its correct
k0ka [10]

Answer:

The correct awnser is Atmosphere

Explanation:

8 0
2 years ago
Read 2 more answers
Measures taken by government for Delhi air pollution
Greeley [361]

Answer:Some of the steps taken by the central and the state governments in the country are:

road traffic rationing,

increasing green cover along side roads,

sprinkle water on trees nearby the roads,

vacuum cleaning of roads,

promoting Swachh Bharat Abhiyan,

cleaning of rivers and water bodies

Explanation: I mean there’s more but I’m not gonna type that much like I do other times.

3 0
3 years ago
Building the Suez Canal in Egypt is an example of which theme of geography
babunello [35]
This is an example of people changing their environment, of influencing it, and in a way of interacting with it: the environment shapes us humans, too.

In geography, this falls under the theme of human-environment interaction.
5 0
3 years ago
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