L12- Inferential Analysis – Related t-test, Unrelated t-test and Pearson’s r – (Parametric tests)

Question 1

For a Related t-test test what should the relationship between the calculated and critical value be for the results to be significant?

Answer 1

Calculated value must be greater than or equal to the critical value

Question 2

For an Unrelated t-test what should the relationship between the calculated and critical value be for the results to be significant?

Answer 2

Calculated value must be greater than or equal to the critical value

Question 3

For a Pearson’s r test what should the relationship between the calculated and critical value be for the results to be significant?

Answer 3

Calculated value must be greater than or equal to the critical value

Question 4

What does something like ‘N-1’ mean if encountered?

Answer 4

The number of pps used should be taken away by 1 and then the critical value should be found accordingly (total pps minus 1)

Question 5

What does something like ‘N-2’ mean if encountered?

Answer 5

The number of pps used should be taken away by 2 and then the critical value should be found accordingly (total pps minus 2)