Laws protect not only peoples safety, but their right as well. If laws were to not exist the world would be in total meltdown (just like the purge all the time).
Answer:
The correct answer is: <u>Oldowan tools</u>
Explanation:
The <u>Oldowan tools </u>are the oldest recognizable tools preserved in the archaeological records. The oldest Oldowan tools is about 2.6 million years old and was found in Gona, Ethiopia. These tools were made simply by chipping off few flakes of a stone by using another stone.
Around 1.8 million years ago, the early <u>Homo were present in Europe, as their fossils were discovered along with the Oldowan tools in Dmanisi, Georgia.</u>
<u>Therefore, the early Homo left Africa and carried the Oldowan tools to Dmanisi, Georgia.</u>
Answer:
Option A
Explanation:
The complete question is
Consider a researcher who is conducting final clinical trials to validate that a new treatment for anxiety is effective. This researcher is extremely focused on avoiding mistakes in concluding that this new treatment is effective when it really is not when conducting their research. What should this researcher do?
a. set a low alpha level
b. set a high alpha level
c. set a low sample mean
d. set a high sample mean
Solution
Option A
While carrying out multiple tests, alpha levels are set at low value. In this way value of alpha also reduces. The lower is the value of alpha, the lower will the chances of rejecting a null hypothesis. The chances of type II error increases, which makes it difficult to reject the null hypothesis
Null hypothesis in this case is "New treatment is effective"
That's true.
<u>Copyright is the set of prerogatives conferred by legislation to any natural or legal person who has created an intellectual work, and serves to ensure jurifically that the use of the work and its respective benefits are the creator, under penalty of suit in case of misuse.</u>
However, there are some situations where US law authorizes the use of copyrighted works by third parties, depending on the purpose.
The perimited purposes are educational, cultural, critical and incentive to research and dissemination of knowledge, and it is prohibited to use for profit and commercial purposes.
Answer:
A researcher proposes to join a moderated support group for cancer survivors posing as a survivor. She plans to insert comments to see how the members respond.
Explanation:
Supporting a group of cancer survivors and posing as a survivor is highly unethical. It might directly or indirectly affect the sentiments of cancer patients which is highly discouraged when conducting a research. Moreover, the research findings will not turn out to be authentic as the researcher did not actually suffer the disease.
