11. Piaget proposes that preoperative children are unable to conserve. He attributes this inability to which of the following factors?
(1) Inability of hypothetico – deductive reasoning
(2) Personal fables enfiavalar
(3) Irreversibility of thought
(4) Lack of high – level abstract reasoning
Ans- (3) irreversibility of thought
Reason:- Under the pre- operational stage, children remembers event and objects and their thoughts become more imaginative and egocentric. They also display animism at this stage as they believe that inanimate objects such as toys have human feelings and intentions. They interpret language through constant questioning. The concepts formed under this stage are crude and irreversible.