Answer:
internal validity
Explanation:
The internal validity measures the degree to which the research is correct. This is done by determining the number of confounding variable.
A confounding variable is the variable that influences both the independent and dependent variable. Only the independent variable should influence the dependent variable.
When the confounding variables found in the research is low the internal validity of the research increases and if the confounding variables found in the research is high the internal validity of the research decreases.
Here, Professor X is worried that a confounding variable is influencing his dependent variable so he is concerned about the internal validity of his experiment.
Answer:
The reason is that the Americans didn't know that war was officially over and that the peace treaty was already signed. The peace was signed in December of 1814, while the battle happened in January of 1815.
Explanation:
We need to have in mind that in this information people still needed a lot of time to obtain certain information from different continent. Literally, you needed someone to transmit information by boat, and it usually needed a couple of months for it. It is interesting that Americans believed that this battle was decisive one.
<span>Britain hired foreign troops from Germany who were known as Hessian Soldiers.</span>
Answer:
Environmental Impacts of the Electricity System. ... In general, the environmental effects can include: Emissions of greenhouse gases and other air pollutants, especially when a fuel is burned. Use of water resources to produce steam, provide cooling, and serve other functions. Generally speaking, as the human population grows, our consumption of natural resources increases. More humans consume more freshwater, more land, more clothing, etc. The more people on the planet, the more food you need to feed those humans (more fishing, more farming, more deforestation to make room for agriculture and raising livestock, and so forth).
Explanation:
Split ticket is the alternative to voting a straight-ticket