Jack is studying psychology and wants to see how people behave when his friend enters an elevator and keeps her back to the door versus behavior when she stands near a doorway between classes. His research method is .

His research method is naturalistic observation.

Explanation:

Naturalistic observation refers to observing the subject in its natural context. This type of research method is generally used to get a genuine idea of the subject's life.

In this case, Jack is using this type of research method because he is observing the subjects in their natural context, not in a lab, for example. He is simply observing their reactions to his friend in the elevator without intervening.

Naturalistic observation.

Explanation:

One Important thing to know from the question above is that the person in question that is Jack is performing a research through the process of observation. Jack is observing his friend at different position in the natural setting of the environment and this method is used by Psychologists too in their researches. This method of research is called or known as the Naturalistic observation. This method or technique is not done in the laboratory.

what is the tax base for the sales tax?

it should be (usually ) 6%

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "