select the correct answer from each drop - do...
select the correct answer from each drop - down menu. the method of collecting data that involves response variables is the method, and the method in which conclusions are drawn by comparing the data collected from two groups without regulation method. survey experimental observational reset
Answer
# Brief Explanations:
In a survey, data is collected on response variables from participants. In an observational study, conclusions are drawn by comparing data from different groups without regular manipulation.
# Answer:
The first blank: survey
The second blank: observational