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question 44
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piagets term for a preoperational childs failure to understand that an operation can go in two or more directions is known as

select one:

a. decentration
b. irreversibility
c. ordinality
d. transitivity

question 45
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ivans mother takes some clay from a small box in his toys and makes a long cylindrical clay model of a rocket for him. ivan loves the model but worries that
the clay will not fit into the box anymore. the limitation of preoperational thought illustrated here is

select one:

a. ordinality
b. seriation
c. decentration
d. irreversibility

Explanation:

• Question 44: Piaget's concept of irreversibility refers to a pre - operational child's inability to understand that an operation can be reversed. Decentration is about focusing on multiple aspects (not relevant here). Ordinality and transitivity are related to logical ordering (not the key here).
• Question 45: Irreversibility is shown when Ivan thinks the clay (shaped into a rocket) cannot go back into the box (original state). Seriation is about ordering objects. Decentration is about multiple aspects. Ordinality is about order.

Answer:

Question 44: B. irreversibility
Question 45: D. irreversibility