A researcher is going to conduct an experiment in order to compare two treatments - a new treatment and an old treatment. The researcher would like to see whether there is sufficient evidence to say that the new treatment is better than the old treatment. In this problem, the researcher will commit a Type I error if. she concludes that the old treatment is better when in fact the treatments are equal in effectiveness. ( she concludes that the old treatment is better when in fact the new treatment is better. she concludes that the treatments are equal in effectiveness when in fact the old treatment is better. O she concludes that the new treatment is better when in fact the treatment's are equal in effectiveness. O she concludes that the treatments are equal in effectiveness when in fact the new treatment is better