An experiment is a type of empirical study that features the manipulation of an independent variable, the measurement of a dependent variable, and control of extraneous variables.
What exactly is experimental research?
- A study that carefully follows a scientific research strategy is called experimental research.
- It consists of a hypothesis, a controllable variable, and variables that can be measured, calculated, and compared.
- Most crucially, controlled environments are used to conduct experimental research.
What are the four categories of experimental study?
- While experimentation as a whole encompasses this form of research, individual research designs have certain characteristics.
- The four main design types that are pertinent to user research are correlational, experimental, and quasi-experimental.
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Answer:
espero que esto ayude,
No soy tan buena en español pero quiero explicar más o menos
Explanation:
Los votantes eligen un tercio de los senadores y cada miembro de la Cámara de Representantes. Las elecciones intermedias ocurren a mitad de camino entre las elecciones presidenciales. ... Las elecciones al Congreso utilizan el voto popular para elegir ganadores. No usan el Colegio Electoral, que se usa en las elecciones presidenciales.
(Además del poder descrito anteriormente, el Congreso comparte poderes con el presidente en asuntos tales como, enmarcar la política exterior de Y el control sobre el ejército. Por ejemplo, mientras el presidente negocia tratados, solo se ponen en vigencia una vez que el Senado los aprueba.)
In the hierarchical model, each parent can have many children, but each child has only one parent.
<h3>What is the hierarchical model?</h3>
This is the model that has to do with parenting. In this particular method, it allows for the repeating of information between parents and the relationships that they have in place with their children. Here the child would only be able to have just one parent but the parents can have the number of children they want.
Hence we can say that In the hierarchical model, each parent can have many children, but each child has only one parent.
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b. Environmental problems such as air and water pollution are causing natural resources like fossil fuels and lumber sources to disappear.
The most powerful States, specifically Canada and the United States, are competing because of the decline in the sources of fossil fuel and increase in the energy demands.
The countries are trying hard to preserve and secure the nonrenewable sources around the world which are on the verge of depletion. Not only the overuse of the resources is responsible for their extinction, but the harmful effects of the pollution is adding into the problem.
However eforts are being made by the United States and Canada to manage and enhance their energy security by using renewable energy sources.
