Sun Xiaomeng bit her lower lip and stared fixedly at Richard.
Although she tried hard to think and recall, she only dabbled in this knowledge out of interest. Many of the documents were in English, mixed with a lot of professional animal psychology jargon, making it very difficult to understand. The impression left on her was fragmented and not very deep.
In addition, the noise from downstairs also made her unable to concentrate. Several times, she vaguely remembered something, but was interrupted by the construction noise. She wanted to rush downstairs and ask them to stop and continue after she remembered something.
The kitchen door was silently pushed open again. Sun Xiaomeng and Richard also looked at the door. She thought Zhang Zian was back, so she was even more anxious. If he was joking at an inappropriate time, she would not be able to remember.
There was no one at the door, so she looked down.
Xinghai was squatting at the door, looking at Richard with its silver-gray eyes.
"Quack?" Richard felt that it seemed to have something to say to it, so it asked aloud.
"Meow! Hide-and-seek!" Xinghai only said a few words, then turned around and ran away quickly.
In Sun Xiaomeng's ears, Xinghai just meowed a few times in a very cute way.
She felt that Xinghai was very strange today. It took the initiative to approach her again and again.
"Quack? Hide-and-seek? "Richard repeated.
As if a bolt of lightning had split the ancient chaos, Sun Xiaomeng suddenly remembered that it was hide-and-seek!
"Richard, do you want to play hide-and-seek?" She turned around and asked Richard.
"Quack?"
Richard did not understand what she meant. It wanted to say that it would not play this kind of child's game. If it wanted to play, go play with the black and white kitten. It would not play with you. However, in front of Sun Xiaomeng, it could not say these words.
Since Sun Xiaomeng already knew that it could understand her words, since it did not refuse, she took it as a tacit agreement.
She looked around. For a single man, Zhang Zian's kitchen was not too messy, but now she wanted it to be messy.
"Here they are." She saw a few glass seasoning bottles on the shelf. Each of them was only the size of a child's fist, containing chicken essence, sesame oil, vinegar, salt and sugar. The five seasoning bottles were a set and were of the same size. Only the colors of the bottle caps were different: red, yellow, green, blue, and white.
Sorry, I borrowed it without your permission. I will apologize to you when you come back later, she said to Zhang Zian in her heart.
Sun Xiaomeng placed the five bottles in front of Richard one by one.
Richard thought she wanted it to identify the colors of the caps, which was a piece of cake for it. Before she asked, it answered, "Red, yellow, green, blue, white."
Sun Xiaomeng smiled, "No, I'm not asking you about the color of these bottle caps... but what you said is absolutely correct. Amazing. Now, pay attention to what I said. How many bottles are there in total? "
"Five," Richard answered quickly. This question was too easy.
She picked up a stainless steel soup pot and placed it upside down on top of the red bottle, completely covering it.
"How many are there now?"
Richard hesitated for a moment. It wasn't sure if the blocked one counted.
"Five," it replied.
"How many can you see?" she asked.
"Four," it answered immediately this time.
Hearing these two answers, Sun Xiaomeng's heart skipped a beat, and her palms were slightly sweaty.
This seemed to be a very simple experiment, but it was used by Piaget, the most outstanding cognitive development theorist in the 20th century, to determine the cognitive ability of children. He was inspired and inspired by playing hide-and-seek with his son with toys, and based on this, he formed a complete and thorough theory, which was named the "Object Permanence Experiment."
In simple words, this experiment was to put an object in front of the subject, then cover or block the object, and observe the subject's reaction. If the subject knew that the object did not disappear, but was still in the same place, but could not see it, it proved that the subject already understood the meaning of "existence."
Most of the time, the process of scientific experiments was very simple. The difference between scientists and ordinary people was that they had a pair of eyes, and could interpret the experiment from a novel perspective. For example, Galileo made two iron balls hit the ground at the same time to prove the law of free fall, and Newton used a prism to decompose sunlight into seven colors, which laid the foundation for spectral analysis...
Although it could not see, it knew that it was there, which meant that Richard's cognitive ability was at least equivalent to that of a one-year-old child.
Sun Xiaomeng put away all the contempt in her heart. She was not facing a pet bird, but an intelligent creature. The difference between Richard and other parrots was probably greater than the difference between Einstein and ordinary people.
She took a deep breath, and in order not to make Richard feel pressured, she tried to maintain a calm expression, and said, "Okay, pay attention, I'm going to increase the difficulty."
Sun Xiaomeng lifted half of the soup pot, and quietly hid the red bottle in her palm. Then she covered the pot again, and put her right hand holding the red bottle behind her back.
"Where is the red bottle?" she asked Richard.
Richard did not see her take the red bottle away, and replied, "Under the pot."
Sun Xiaomeng opened the pot with her left hand, and there was nothing under the pot.
"Quack?" Richard shouted in surprise, and then reacted, "Your right hand."
Sun Xiaomeng took out her right hand from behind her back, and it was also empty.
Richard thought for a moment, "In my pocket."
Sun Xiaomeng nodded, took out the red bottle from the pocket of her white coat, and put it side by side with the other four bottles.
"Congratulations, you guessed it."
"Quack! Piece of cake! "
Hearing her praise, Richard was in a good mood. It seemed to remember something. It seemed to have played a similar game before, in a slightly different form, but the essence was the same. However, at that time, it did not like this game, because it was very difficult to play, and it often encountered failures and setbacks, so it was always in a bad mood. However, after becoming an elfin, this game seemed so easy, and it scolded its past self several times in its heart, "idiot."
Sun Xiaomeng smiled unnaturally. She could not accurately describe what she was feeling at this time. Richard once again refreshed her understanding. Being able to pass this level of the experiment proved that its cognitive ability was at least at the level of a two-year-old child, and the experiment process was extremely easy.
She believed that even if she went to the next step of the experiment, Richard would still be able to pass. So what was its upper limit? Three years old? Four years old? Five years old? Ten years old? Twelve years old?
It could talk, think, and recognize. Except for the appearance of a bird, was there any essential difference between it and a human?
In her memory, there was only one parrot in the world that passed this experiment, but because it died young, its cognitive ability stopped at the level of a five-year-old child, and the death of that grey parrot was considered a great loss to the scientific and educational circles.
Now, standing in front of her was a living intelligent parrot, and it might even be better than the dead one!
She felt very sad. Why did all the good things happen to Zhang Zian?
The kitchen door was pushed open again — with the previous two experiences, she thought it was Xinghai again. She looked down, wanting to say hello to Xinghai, and ask it to stay, but only saw a pair of feet in casual shoes.
Zhang Zian looked at her, and then looked at Richard, feeling that the atmosphere in the kitchen was a bit strange.
"What are you doing?" he asked.
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