In a study of television's influence on children, researchers analyzed standardized test results and television viewing habits of 1700 children. They found that children who averaged more than 2 hours of television viewing per day when they were younger than 3 tended to score lower on measures of reading ability and short-term memory. (a) is the study described an observational study or an experiment?
(b) is it reasonable to conclude that watching two or more hours of television is the cause of lower reading scores?

1. The following case is an example of observational study. Researchers monitor the impact of a hazard variable, diagnostic test, therapy, and other treatment without attempting to influence who is or is not subjected to it in unobtrusive studies.   Observational studies include cohort investigations and case control investigations.

2. It is wrong to state that watching TV for more than 2 hours is the only reason for low scores. There can be a number of factors such as genetic ability to childhood uprising environment which might not be impacted by the subject population.

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,” "

i'll anser so they can have brainliest (my doubleu key is broken)