Draw all formal conclusions given the data provided a t12 5

Draw all formal conclusions given the data provided: a) t(12) = .53, p > .05 b) d = .62 c) Cl = [1.34, 3.22]

Solution

(a)

This result is in APA format. It s hows degree of freedom of the test is 12, value of test statistics is 0.53 and test is not significnat at 5% level of significance.

(b)

d shows the cohen\'s d effect size. It is medium to large effect.

(c)

Since confidence interval does not contain 0, so we reject the null hypothesis on the basis of CI if null hypothesis tested parameter against 0.