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trapecia [35]
3 years ago
9

Research is conducted to determine if there is a relation between lung capacity and proximity to coal mines. Does the descriptio

n correspond to an observational study or an​ experiment?
Social Studies
1 answer:
Andru [333]3 years ago
5 0

Answer:

observational study

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According to the "Cuneiform in Mesopotamia" section, how did writing develop in Sumeria over time?
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The initial writing of the Sumerians utilized simple pictures or pictograms. For example, a drawing of a person's head meant the word "head". Over time, however, the writing of the Sumerians further developed to include sounds and meanings. This type of writing is called cuneiform writing, which means "wedge-shaped".

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What is a poem for hieroglyphics
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E then translates hieratic writing into hieroglyphs. From there, he gives sounds to the hieroglyphic consonants and pieces out words, sentences, and entire passages. Historical tales and hymns had been inscribed inside tomb walls, written on papyrus, and often scribbled onto shards of limestone pottery.Apr 20, 2004
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To test the effectiveness of a liquid supplement that is supposed to help forgetful people with their memory, 400 college studen
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Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".

Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.

This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.

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The rigid adherence to core religious doctrines is referred to as
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The appropriate response is Fundamentalism. It is portrayed as any religious drive that holds fast to its fundamental precepts. Fundamentalism, with the end goal of this article, is a development inside the congregation that holds to the basics of the Christian confidence. In present day times the word fundamentalist is regularly utilized as a part of a critical sense.
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Jason studies Spanish for three years, and then switches to Pashto. When asked to remember Spanish vocabulary he can’t, instead he can only remember Pashto vocabulary. This is an example of <u>retroactive </u>interference.

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Retro active interference means that the individual can not remember the older information that he had learnt because the recent information is acting as an obstacle in recalling the older information.

The new information is a problem which does not let the old information to be recalled. That is why Jason can not recall Spanish which he had learnt three years ago and only remembers Pashto which he had learnt recently. Pashto is acting as an obstacle in recalling the Spanish language.

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