Answer:
A critical period exists for normal perceptual development
Explanation:
Perceptual development is related to the development of the five senses in human beings.
These are the five senses that develop in human beings. These senses are very important to us. These senses help the person in smell, taste the things, to watch and to hear the sounds. There is a critical period that exists in the development of perceptual sense in human beings s well as in kittens.
It is known as <span>Self-feedback
</span><span>Self-feedback refers to a form of affirmiation that we do to ourself in order to obtain a certain psychological condition.
Performers or any type of workers in general often use this in order to stay positive in facing every challenges that exist in our life.</span>
Answer: Selection bias
Explanation:
Selection bias is defined as the process in which individual or group of individual are analyzed for selection process by lacking randomization property .This process displays that selected sample of individuals is not similar representative of major interest population.
According to the question,the systematic difference that occurs in selected group for experiment as per their last name is displaying that selected group does not represent interest population that is causing systematic error.Thus, this situation describes about selection biasing.
