Answer:
The answer is B
Explanation:
on this test i got the answer wrong but im telling people this since i don't want anyone else get the same mistake that i did.
i think it may be the second one
First one is speed
Grams is mass
And last one is size diameter is meters
I would help, But I can't read the words. Sorry :-(
Answer: Double-blind experiment.
Explanation:
Double blind experiment is study in which participants and experiments do not have any idea about which participant or person will be going through treatment of experiment.This process in followed is experimentation to extract unbiased results.
According to the question,researcher is conducting double-blind experiment in which he does not know who will receive the treatment in experiment and neither students are aware about it.Also, their scores and names are not concealed.