The Student Room Group

alevel snab a biology

when testing for a new drug, should we say use an existing drug on the control group or do we say use a placebo? one of ms im looking at says ‘ignore placebo’ but others allow it. please help! thank u
To be safe, I would recommend using the term control group over the term placebo. This is because placebos explicitly refer to "dummy drugs" with no active ingredients made to look like a real drug whilst a control group covers a broader range of terms that might also include things such as a currently active treatment for an illness.
(edited 1 year ago)
Reply 2
Original post by AnonymousUser03
To be safe, I would recommend using the term


which term?
Original post by nnnn6666
which term?


Original post by AnonymousUser03
To be safe, I would recommend using the term control group over the term placebo. This is because placebos explicitly refer to "dummy drugs" with no active ingredients made to look like a real drug whilst a control group covers a broader range of terms that might also include things such as a currently active treatment for an illness.


here ya go
Reply 4
Original post by AnonymousUser03
hope this helps


ah thank u!! but yk how sometimes in order to get the mark u need to describe what ur control group is, in that case what would u say? would it be best to say both placebo and existing drug to be safe since there’s no negative marking and they’ll ignore the other if it’s not in the ms?
Original post by nnnn6666
ah thank u!! but yk how sometimes in order to get the mark u need to describe what ur control group is, in that case what would u say? would it be best to say both placebo and existing drug to be safe since there’s no negative marking and they’ll ignore the other if it’s not in the ms?

Placebos are often used when there is no existing effective treatment for a disease. If the mark scheme specifies ignoring the term 'placebo' I would suggest you name the control group as any treatment that already exists as it might be a safer answer than naming both.
Reply 6
Original post by AnonymousUser03
Placebos are often used when there is no existing effective treatment for a disease. If the mark scheme specifies ignoring the term 'placebo' I would suggest you name the control group as any treatment that already exists as it might be a safer answer than naming both.


thank u! i’m sure u know how particular the SNAB ms are so it’s hard to know for sure what they expect lol but i think ur right. saying existing drug would be a safer option :smile:

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