Canada supports efforts to ensure that every child receives quality primary and secondary education,and works to reduce barriers and help narrow education gaps for women and girls.
The correct answer will stress the differences between the observational study and experimental study - and options a), c) and d) can be true of both.
The correct answer is:
b. Experimental subjects are left free of manipulation
-this is the major difference between the observation and experiment.
Un-objectification I believe, removing yourself from a situation or disregarding your bias. It would be really tough in this situation though.
