Answer:
Additional sum of money will be added to Arthur's standard deduction.
Explanation:
- The taxable income of any taxpayer gets an additional amount added to the tax money that reduces the amount, this is called as the standard deduction.
- Any household can claim the standard deduction with the income level below certain threshold.
- For any taxpayers whose age is 65 or even older can acquire the benefit of additional amount that gets added to their standard deduction.
Answer is D. All others are true..
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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According to Malthusian theory of population, population increases in a geometrical ratio, whereas food supply increases in an arithmetic ratio. This disharmony would lead to widespread poverty and starvation, which would only be checked by natural occurrences such as disease, high infant mortality, famine, war or moral restraint. His main contribution is in the agricultural sector. According to this theory there are two steps to control the population: preventative and positive checks. Preventative means control in birth rate, and uses of different methods to control birth; and positive checks means natural calamities, war, etc. His theory was wrong because Malthus only considered two factors when he established his basic graph: food supply and population growth. Other factors such as improvements in technology proved him wrong. He was right at his time but development made him wrong. If it wasn't for outside influences on population growth and food supply, his mathematical reasoning which proved his theory and was right. I HOPED THIS HELPED
a general increase in prices and fall in the purchasing value of money:
