Math Formula for T-test that you can use in your research

1. t-test

2. PAIRED-
SAMPLES
compare

3. Used when you want to
compare the mean scores
for the same group of
people on two different
occasions.

4. compare
Different
Occasions

6. Problem Statements:
1. What is the score of the respondents before
the implementation of __________________?
2. What is the score of the respondents after
the implementation of
the__________________?
3. Is there a significant difference in the score
of the respondents before and after the
implementation of the____________________?
4.What is the effect size of the_________(IV)
to the ____________ (DV) of the respondents?

8. 1.Descriptive Statistics (Mean
and SD)
2.Descriptive Statistics (Mean
and SD)
3.Paired-Samples T-test
4.Eta squared
Statistical Treatment

10. PAIRED SAMPLES
Eta2 = t2 / t2 + (N-1)

12. Used when you want to
compare the mean
scores of two different
groups of people or
conditions.

17. Problem Statements:
1. What is the pre-test scores of the
experimental and control group?
2. What is the post test scores of the
experimental and control group?
3. Is there a significant difference in the
post test scores in the experimental
group and control group?
4. What is the effect size of the_____ ?

19. 1.Descriptive Statistics (Mean
and SD)
2.Descriptive Statistics (Mean
and SD)
3.Independent Samples T-test
4.Eta squared
Statistical Treatment

21. Eta2 = t2 / t2 + [(N 1 +N2 )-2]
INDEPENDENT SAMPLES

22. Which of these two diagram is a
representation of a T-test?
Diagram A
Diagram B