Question: A researcher set up an experiment to study the effect of a new drug on smoking cessation. for this experiment he recruited 60 individuals who

A researcher set up an experiment to study the effect of a new drug on smoking cessation. for this experiment he recruited 60 individuals who smoked at least forty cigarrtes a day. he placed these people into 3 groups. each person in the first group was asked to take one pill a day over a 30-day period. The pill was a placebo. the second group of individuals were asked to take one mild form of the pill for 30 days. the last group of 20 subjects each took a strong form of the pill once a day for 30 days at the end of the experiment the researcher obtained data on the number of cigarettes smoked for the participants.

what are the independent variables?

, what are the dependent variables?

How many conditions are there in this experiment?

What's the statistics would have been used for data analysis?

( for the last question also state the branch of stats inferential or descriptive) I am confused as to the difference in definition thank you

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