(c) Verbal Classification
(Adapted from Piaget, J. & Inhelder, B., 1980)
Name
Task description:
Task
Volkswagen
Cars
1
Children
Boys vs. girls
2
3
Ships
Trawlers
4
Pets
Cats
Toys
Lego blocks
5
Sheep
White sheep
6
Sheep
Black Sheep
7
Clothes
Pants vs. Dresses
8
Birds
Ducks
9
Candy
Bonbons
10
Flowers
Buttercups
11
Icelanders
Reykjavik citizens
12
Russians
vs. Moscow citizens
Fruit
Oranges
13
(d) Logical Multiplication:
(Adapted from: Smedslund, J., 1964)
(i) Multiplication of classes
Task description
Task
Form * Colour: Completion of cross tabulation with four entries
Uncovered presentation
Form * Colour: Completion of cross tabulation with four entries
2
Covered presentation
(ii) Multiplication of relations
Task
Task description
3
Hue * Size: Rectangles in three adjacent cells; completion of the third
cell;
Uncovered presentation
Hue * Size: Rectangles in three adjacent cells; completion of the third
4
cell;
Covered presentation
7