This is the set of procedures that has to be followed to convert the raw score that has been collected from the sample in to Percentile score to develop Norms for Interpretation purpose.

1. CONVERSION OF RAW
SCORE IN TO PERCENTILE
SCORE IN SPSS
Varun Muthuchamy, October 2016.

2. STEP 1: ENTER THE SCORES THAT YOU
WANT TO CONVERT IN TO PERCENTILE

3. SORT THE DATA INTO ASCENDING
ORDER TO CHECK FOR THE RANKS

4. THIS IS THE ASCENDINGLY SORTED
DATA

5. CLICK TRANSFORM> RANK CASES, TO
RANK THE DATA

6. SELECT THE VARIABLE SET THAT YOU NEED
TO CONVERT IN TO PERCENTILE SCORE.

7. MAKE A TICK MARK IN RANK BRACKET
AND PRESS CONTINUE

8. THIS IS HOW YOU GET THE RANK FOR
EACH SCORE OF RAW DATA

9. CLICK ON COMPUTE VARIABLE TO GET
PERCENTILE SCORE

10. TYPE PERCENTILE_(YOUR DIMENSION) IN THE TOP LEFT BOX.
THEN INSERT RANK OF YOUR SCORE IN THE NUMERICAL
EXPRESSION BOX

11. ENTER THE FORMULA (𝑃𝑒𝑟𝑐𝑒𝑛𝑡𝑖𝑙𝑒 =
𝑅𝑎𝑛𝑘 𝐶𝑎𝑠𝑒𝑠−0.5)
𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑠𝑎𝑚𝑝𝑙𝑒
∗ 100)
IN THE NUMERICAL EXPRESSION BOX.

12. PRESS OK BUTTON TO GET PERCENTILE SCORE