Answer:
A behavioural contingency.
Explanation:
This simply does certain explanations on psychology, saying that their is no best way to organizing and also leading of humans which are seen to posses different behaviours. This analytical approach is also seen to have a certain number of theories too.
Sometimes these contingencies tend to alter the main behaviour and also be used to increase the desired behavior, replacing certain problematic behavior or to extinguish a dangerous or difficult behaviour. Some researchers has explained contingency to be such that requires quick reinforcement and also clear communication with other attributes too.
The experimental units are what you apply the treatments to. In this experiment it would be the subjects or the customers in this situation since they will be treatment (either standing at their regular height or squatting to meet the eye level which could affect the amount of tip they give). An example of randomization can be numbering each table in the restaurant and picking them out of a hat and going to that table that you randomly chose and imposing the treatment on the customers there. Because tips depend on the income of the customers and how much they are willing to give for their meal. If not even income some people are willing to give despite how much money they make so their tips may higher than the wealthy crowd. Other factors the experimenters may not be able to control is the mood of the customers as well isn't it more likely if someone is enjoying their time to give more to the server despite the service the waiter.
The constitutional principle prohibits an individual state from declaring war is called federalism. The only person who can declare war is the person in charge of the government, which is the President of the United States. The correct answer is B.
Answer: Discriminant validity
Explanation:
Discriminant Validity
Discriminant validity means a researcher needs to display or show that those variables that are not correlated are indeed not correlated in real life or practically .
For example the test above is measuring intelligence rather than reading ability so the researcher can use discriminant validity to actual show that reading ability is not related to intelligence and that the test is solely measuring intelligence.
He should show the evidence that there is really a low correlation between these two measures.
Explanation:
What was the most important reason why the Union wanted to capture Richmond? Richmond was the capital of the South. Why did the South need support from Europe? The South needed money for the war effort.