Seguin Form Board
SEGUIN FORM BOARD
The Seguin Form Board (Cattell, 1953) is a fairly valid test ‘g’ below the mental age of about 10 (i.e., with children and adults feeble-minded). With greater capacities it becomes a test of manual dexterity. The test probably is most diagnostic between 2½ and 6 years.
Procedure for Administration
Seat the subject near a table with the board arranged to face the subject. The pieces are placed in 3 heaps (not spread out) at the back of the board in the order shown below: – The S is asked to replace the pieces as quickly as possible using either or both hands. The time taken is measured with a stopwatch. Three trials are given and the shortest of the 3 times (in seconds) is used to read the mental age of S from the table of norms given below:-
TABLE OF NORMS
| Mental Age | Shortest of 3 trials | Total of 3 trials |
| 3.5 | 56 | 216 |
| 4 | 46 | 161 |
| 4.5 | 40 | 133 |
| 5 | 35 | 125 |
| 5.5 | 31 | 114 |
| 6 | 27 | 105 |
| 6.5 | 25 | 98 |
| 7 | 23 | 90 |
| 7.5 | 21.5 | 83 |
| 8 | 20 | 77 |
| 8.5 | 19 | 72 |
| 9 | 18.5 | 68 |
| 9.5 | 17.5 | 64 |
| 10 | 16.5 | 61 |
| 10.5 | 16 | 58 |
| 11 | 15 | 54 |
| 11.5 | 14.5 | 52 |
| 12 | 14 | 49 |
| 12.5 | 13.5 | 46 |
| 13 | 13 | 43 |
| 13.5 | 12.5 | 41 |
| 14 | 12.5 | 39 |
| 14.5 | 12 | 37 |
| 15 | 12 | 36 |
| 16 | 11.5 | 35 |
| 17 | 11 | 35 |
| 10 | 10.5 | 34 |
| 19 | 10.5 | 34 |
| 20 | 10 | 34 |