When testing a hypothesis using a null hypothesis, you use a statement that negates your hypothesis, and, within a certain level of certainty, see if the null hypothesis can be rejected. When testing the null hypothesis, you typically want to be around 95% sure that you can reject it (confidence interval is 95%).
In Rose's case, she is testing the hypothesis that there is a correlation between watching violence on television and aggressive behavior.
Her null hypothesis would be:
"There is not a positive correlation between watching violence on television and aggressive behavior"
or
"The correlation between watching violence on television and aggressive behavior is less than or equal to zero"
Answer:
Flammability is a chemical property because combustion is a chemical change. A chemical change is a process in which one or more substances are converted into one or more new substances with different properties. Flammability is a measure of how easily something will burn. Gasoline (petrol) is highly flammable.
Explanation:
The therapist is probably "Narrative
".
Narrative therapy is a type of counseling that perspectives individuals as independent from their issues. This enables customers to get some separation from the issue to perceive how it may really be helping them, or securing them, more than it is harming them. With this new point of view, people feel more enabled to roll out improvements in their idea examples and conduct and "revise" their biography for a future that reflects their identity, what they are able to do, and what their motivation is, separate from their issues.
The delivered speech was significant because its made the Union forces turned back a Confederate invasion of the North.
<h3>What is the Gettysburg Address?</h3>
The Gettysburg Address is a speech delivered by President Abraham Lincoln at the dedication of the Soldiers' National Cemetery during American Civil War.
The purpose of the delivered speech was to bring the country together (most especially the North) because they are divided by differing views of war.
So, the delivered speech was so significant because its made the Union forces turned back a Confederate invasion of the North.
Therefore, the Option B is correct.
Read more about Gettysburg Address
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