Researchers want to study the effects of classical music and memory. one group of participants will take a memory test with classical music playing in the background, while the other group will take the memory test in complete silence. it is believed that age has an effect on memory. A matched-pair design experiment .
<h3>What is matched-pair design experiment?</h3>
One participant from each pair is randomly assigned to the treatment group while the other is assigned to the control group in an experiment using a matched pairs design. Participants are matched in pairs based on shared traits before being divided into groups.
<h3>A matched group experiment is what?</h3>
When a participant in an experimental group is exposed to a manipulation, they are compared to a specific participant in the control group who is similar to them in some significant ways but did not receive the manipulation. This technique is known as matched groups in research design.
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Answer:seed-tree method or seed-tree cutting
Explanation:
The seed tree method is a modified method of clear cutting where trees which are seen to be the best are left behind so that they can regenerate and become parent trees to the new forest.
When everything else is cut off 8 to 10 trees which shows to be perfectly healthy and matured are left behind for regeneration.
These are wind resistant trees with light seeds like maple trees. After the new trees have grown they may be cutt off or be left for the two age stand.
Answer:
B) negatively correlated.
Explanation:
The case is set, would reflect a negative correlation between wealth and marital satisfaction.
This means that not necessarily the wealth would cause marriages to report higher levels of happiness or satisfaction. This would imply that there is an inverse relationship between two variables - when one variable decreases, the other increases. So to the contrary, it would mean the opposite. Having less money would favor marital satisfaction.
It is so believed that money issues are important variables so, they should be reconsidered. In the case as stated having more money turns into less satisfaction of the pair.
A example that is similar to this as a negative correlation, is the birth of children, and mariage, since the condition creates stress that the new creature poses to the relationship between the pair, that was often better treated.
"If they are used ocassionally, antiacids don't produce any risk. But used daily, they can cause a "rebound" reaction: heartburn pain can actually worsen and some people experience diarrhea or constipation from certain antiacids."
