Answer:
This is an example of: <u>a sample survey.</u>
Explanation:
In the experiment to determine the effect of sleep deprivation on the ability of the student to concentrate definitely needs an experimental setup rather than a randomized data collection.
<em>Do to the fact that, the experimental used a small sample sized area (Students in a calculus class) to test his hypothesis shows that the setup is a sample survey. </em>
<u>This sample survey result could be extrapolated to the whoe region (the classes in the school or whole school ) to determine if there was a major significance between the two variables.</u>
Answer: Constantinople
Explanation:
Byzantium has, for centuries, been a barrier to the overflow of Islam into Europe. Eventually, in 1453 it fell into the hands of the Ottomans. Islam spread from the east, and Constantinople was a barrier to further expansion. When Mehmed II conquered Constantinople, the city became the Ottoman capital, and it was from that administrative and political center that the Ottomans organized further military campaigns towards Europe. In this way, they also tried to spread Islam. There are several examples where they have succeeded in these endeavors. These examples are obvious in some countries of Southeast Europe.
Answer:
Psychological arousal is very simimal for several emotions, so it is not always reliable for the polygraph to distinguish one emotion reaction from another. For instance guilt from other reactions.
Explanation:
The polygraph can most certainly determine if a person is nervous or not, because the nervous system reacts under testing situations, as well as other body reactions. This is not sufficient enought to deternmine wether someone is lying or not, is guilty or not. Someone can be nervous, and the polygraph can identify it, but this does not neccesarily mean a person can be found guilty.
Answer: In the pre-screening process the group of study is intimidated by the process of study and need of study.
Explanation:
According to the given situation, the given study is a sensitive matter to deal and obtain the information from students whose parents have been divorced. This is sensitive as it can make them emotional and mentally disturbed due to separation of parents. So, the pre-screening process must have informed consent signed by the participants in which the notion of the study must be mentioned, as it is a sensitive matter it can disturb the mental health of student so a consent from parents is also required, psychological risks with the study, the services that can be provided and that cannot be provided must be mentioned in the consents, responsibilities of the group members, procedure for leaving the group should be mentioned, and assurance of the privacy of the members.
