I think it is C, but you can search it up to know what the answer is. Or you can ask your family, friends and your teachers. I think they will have a different answer then mine. Just choose one of the answers. It is ok if you get it wrong.
neonazis are the source of evil, and chicken nuggets
Answer: c) Repeated measures
Explanation:
Repeated measure designing is the design in which same variable's multiple measures are taken under different condition but on the similar subject.It can also be taken over different time period for researching.
According to the question.,Eric is using repeated measures design by researching on people's enjoyment wen drinking coffee, teas and milk at certain time.Thus study is on the similar subject with same participant with repeating act.
Other options are incorrect because research design is not based on posttest ,pretest or concurrent measures .Thus, the correct option is option(c).
They should think about them to be able to tell what will be best for the policy
