| Jovanovic; Schwarzer16
|
2017 |
3, 5, and 21 years |
30 |
1- To pick up the bar on the middle shelf and to place it on another shelf (target shelf) on the starting position |
Phase 1: Different heights showed a weak influence in the 3-year-old group when compared with the other groups. |
Germany |
2.333 |
| 27 |
2- To pick up the bar on the target shelf and to put it on the starting position |
Phase 2: The height had greater influence in the groups of 3 and 5 year olds when compared with the group of adults. |
| 30 |
| Jung; Kahrsb; Lockman17
|
2016 |
16-33 months |
30 |
1- To pick up the wooden rod on the table |
Older children showed more advanced spatial planning and improvements in coordination. |
New Orleans |
3.411 |
| 2 - To place the rod in a horizontally or vertically oriented slot located in the middle of the table |
| Jongbloed-Pereboom, et al.18
|
2013 |
3-10 years |
351 |
To fit a wooden sword |
The planning ability was enhanced from 3 to 10 years old, showing a decreased improvement at 9 years old. |
Netherlands |
2.377 |
| Scharoun; Bryden11
|
2013 |
3-12 years |
92 |
To manipulate a cup |
The end-state comfort appeared at 9 years old. |
Canada |
2.976 |
| Knudsen et al.12
|
2012 |
3-8 years |
96 |
1- To manipulate a cup |
1- A 13% increase in the planning ability was observed at 3 years old and a 94% increase at 8 years old. |
Germany |
2.8 |
| 2- To transport and to fit a wooden bar |
2- 63% increase in the planning ability at 3 years old and a 100% increase at 8 years old. |
| Jovanovic; Schwarzer19
|
2011 |
18, 24, and 42 months |
81 |
To transport and to fit a wooden bar vertically |
The children already used planning strategies at 18 months of age, with significant increase at 24 months. |
Germany |
2.137 |
| Stockel; Hughes; Schack9
|
2012 |
7-9 years |
36 |
To transport and to fit a wooden bar |
Planning ability is fully developed at 9 years old. |
Germany |
2.378 |
| Thibaut; Toussaint10
|
2010 |
4-10 years |
120 |
To transport and to fit a wooden bar |
Planning ability of motor skills develops gradually from 4 to 10 years old, but with a drop in the level of ability at 8 years old. |
France |
2.377 |
| Weigelt; Schack20
|
2010 |
3-5 years |
51 |
To transport and to fit a wooden bar |
Gradual improvement in planning capacity: 18% at 3 years old, 45% at 4 years old, and 67% at 5 years old. |
Germany |
4.759 |
| Adalbjornsson; Fischman; Rudisill8
|
2008 |
2-6 years |
40 |
To manipulate a cup |
Only 11 out of 40 children were able to plan their action according to the end-state comfort. No difference between ages was observed. |
United States |
1.108 |
| Manoel; Moreira13
|
2005 |
2,5-6 years |
40 |
1- To transport and to fit a cylindrical wooden bar; |
The children did not demonstrate planning ability according to the end-state comfort, even when the task demanded higher precision level (task 2). |
Brazil |
0.06 |
| 2- To transport and to fit a semicylindrical wooden bar |
| McCarty; Clifton; Collard21
|
1999 |
9, 14, and 19 months |
36 |
To grasp a spoon and to feed himself |
At 19 months old, the children altered the hand (right or left) to grasp a spoon according to the start position. |
United States |
2.976 |