Which type of study best describes the following research most likely to be done?
a researcher is testing new weight loss supplements. the researcher decides to sample two groups. the first
group of subjects, the researcher labeled group 'a: the researcher plans to give a placebo that looks like the
real medicine but is just a sugar pill to group 'a: the second group, group 'b', will be given the real medicine.
the researcher knows which participants got the placebo and which received treatment but the participants
don't know.
blind study
o double blind study
© open study
closed study

Blind Study

Step-by-step explanation:

The answer is blind study because in a double blind study neither the subjects or the researchers know the control group. in an open study everyone knows who is in the control group.

Blind Study

Step-by-step explanation:

Blinded study: A study done in such a way that the patients or subjects do not know (is blinded as to) what treatment they are receiving to ensure that the results are not affected by a placebo effect

(Hope I Helped!)

which expression represents the approximate length of bc?

step-by-step explanation:

not me

step-by-step explanation:

i wish i did i would like to get a desert ghost ball python