Research Methods IV - Week 3 Post Hoc Tests

The error

The variance

The treatment

All of the above

We are interested in testing all possible comparisons

We are not interested in testing all possible comparisons

There is a need to improve the power of the test

There are not many comparisons to make

Increase the number of participants

Reducing the degrees of freedom for the residual source of variance

All of these

Increasing the number of levels of treatment

Rejecting the null hypothesis when it is incorrect

Accepting the null hypothesis when correct

Accepting the alternative hypothesis when incorrect

Rejecting the alternative hypothesis when incorrect

Three groups: 1)Immediately after the stroke, 2) three weeks later, 3) six months later

Two groups: 1)Immediately after the stroke, 2) six months later

Two groups: 1) three weeks later, 2) six months later

Two groups: 1)Immediately after the stroke, 2) three weeks later

Cut in half

Increased

Decreased

Unaffected