Dominance/Bi lateral hand skill

Question 1

Unilateral swiping

Answer 1

0 to 3 months

Question 2

Uses either hand for approach and contact

Answer 2

4 months

Question 3

Uses either hand for approach and grasp

Answer 3

5 months

Question 4

Starting to use lead and assist pattern

Answer 4

6 months

Question 5

Both hands equally skilled

Answer 5

7 months

Question 6

Either hand leading

Answer 6

8 to 9 months

Question 7

Dominance fleeting

Answer 7

10 to 11 months

Question 8

Dominant hand leads, non dominant hand not in use

Answer 8

1 year to 1 year 1 month

Question 9

Dominant and active assistive hand use

Answer 9

1 year 3 months to 1 year 6 months

Question 10

Hand preference emerging

Answer 10

1 year 6 months

Question 11

hand preference established

Answer 11

2 years old

Question 12

Uses opposing hands (holds paper and cute with scissors)

Answer 12

2 years 6 months

Question 13

Both hands active in object manipulation

Answer 13

2 years 6 months to 3 years 6 months

Question 14

Hand dominance established for skilled activities but depends on the task

Answer 14

3 to 4 years

Question 15

dominance gradually increasing for skilled activity regardless of task

Answer 15

4 to 6 years

Question 16

Asymmetrical movement patterns

Answer 16

0 to 3 months

Question 17

Symmetrical movement patterns reach with both hands and bring to midline

Answer 17

3 to 10 months

Question 18

Bangs objects holding one in each hand

Answer 18

10 months

Question 19

Refining skills leading to using 2 hands at the same time but for different actions

Answer 19

1 year 6 months to 2 years

Question 20

emerging use of one hand to stabilize item while other hand activates (string beads, snip with scissors)

Answer 20

2 years to 2 years 5 months