Question

Help please

Answer 1

there is no control group

Answer 2

are you 100 percent sure?

Answer 3

what is control group ?

Answer 4

control group is a group that you don't do anything to for comparison

Answer 5

or that you give a placebo to to make sure improvements are not the result of the placebo effect

Answer 6

okay and is D correct 100 percent?

Answer 7

To me any one of those can be correct im not sure?

Answer 8

let's go through the options one by one, shall we?

Answer 9

Option A: there are slightly fewer women than men in the study, but the sample sizes are acceptable.

Answer 10

That is true there are fewer woman than men tested?

Answer 11

yes, but I don't think it's significant.

Answer 12

okay next

Answer 13

Options B and C: things like this don't make a study valid, what makes a study valid is a LACK of things that make it INVALID. Only choose things like this if the study is valid, and then I would go with one like C before one like B.

Answer 14

Group size isn't as important as people think it is.

Answer 15

the important one is Option D. In a study there should ALWAYS be a control group that is either given no treatment or a placebo treatment.

Answer 16

Isn't that in an experiment this is only a study or are they the same?

Answer 17

a study like this is a kind of experiment.