Responsible whether the given study is observational or experimental
Label each of the subsequent as an observational or experimental study. For the investigational study state the control group and the treatment group.
1) A researcher finds that children whose parents smoke have more respiratory illness than children whose parents do not smoke have.
2) A teacher divides her class into two groups. One group is trained a lesson on the computer and the other is taught by traditional lecture. The teacher then gives a test to see which group has better grades.