Assignment Specifics: You will test 3 children on each of the conservation tasks. Test three children age 4, 5, and 6 years of age (one child of each age). Record their responses on the form attached.

Conservation Exercise of

Numbers

Ages of children

Two rows of pennies same distance apart

Two rows of pennies, one row more distance apart

4-year-old response

5-year-old response

6-year-old response

Type of thinking skills used (perception-based thinking, unidimensional thought or reversing an operation)

Conservation Exercise of Liquids

Two identical glasses

Two glasses of different sizes

4-year-old response

5-year-old response

6-year-old response

Type of thinking skills used (perception-based thinking, unidimensional thought or reversing an operation)

Conservation Exercise of Mass

2 equal size balls play dough

1 ball of play dough, 1 rolled snake or hot dog

4-year-old response

5-year-old response

6-year-old response

Type of thinking skills used (perception-based thinking, unidimensional thought or reversing an operation)