Page:Kohs-Block-Design tests-1920.pdf/16

1. The correlation^[1] between Binet age and life age is + .80 (P.E. ± .01) (291 public school cases).

2. The correlation between block-design age and life age is + .66 (P.E. ± .02) (291 public school cases).

3. The correlation between Binet age and block-design age is + .82 (P.E. ± .01) (366 cases). The table is herewith presented:

Table V.
Binet Age and Block Design Age
Binet Age

		3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	Total
Block-Design Age	Below
	5	3	7	14	14	3	1		1										43
	6				10	10	10	2	3	3	1	1							40
	7				2	7	9	7	2	1			1						29
	8				4	3	4	10	4	2		2	1						30
	9				1	3	14	6	7	1	4	2							38
	10					2	6	5	8	5	2	3		2					33
	11						6	2	4	9	4		1		1				27
	12					1	1	2	6	8	3	4	2	1					28
	13							1	3	7	5	3	1	1	1				22
	14							2	3	2	7		4		2				20
	15								2	3	5	3	4	1					18
	16								1	2		1	1	1	2		1	3	12
	17									1			2	4	1	3	2	1	14
	18											1				2			3
	19													1	2			1	4
	20														2	2	1		5
Total		3	7	14	61	29	51	37	44	44	31	20	17	11	11	7	4	5	366
(Note: Age 10 means 10-7 to 11-6 etc.)

4. The correlation between Binet age and block-design age is + .81 (P.E. ± .01) (291 public school cases).

5. The correlation between Binet age and block-design age is + .67 (P.E. ± .05) (75 feebleminded cases).

6. The correlation between Binet I. Q. and block-design I. Q. is + .80 (P.E. ± .01) (366 cases). The table is herewith presented:

1. Pearson's Coefficient (r) used throughout.