Answer: diffraction
Explanation: diffraction is the spread of light or other waves/beams (like sound for example) through out a certain space.
Answer:
Children enjoy playing with toys until they are told they will get paid to play with toys. They may still play with toys to get paid, but they view it differently because they are getting paid.
Explanation:
The overjustification effect refers to the situation whereby one loses or there is decreased motivation as a result of an expected external incentive such as money or prizes. This reduces a person's intrinsic motivation to perform a task. The phenomenon known as motivational crowding out is explained by overjustification.
<em>Answer:</em>
<em>Preoperational</em>
<em>Explanation:</em>
<em><u>Preoperational stage,</u></em><em> in psychology, is considered as the second stage in the </em><em><u>cognitive development theory</u></em><em> which was discovered by </em><em><u>Jean Piaget,</u></em><em> a well-known psychologist. The preoperational stage starts at two years of age and ends around age seven. A child who falls under this stage starts talking, learns to manipulate various symbols, and engages or involves in symbolic play. </em>
<em><u>As per the question, Mark is most likely in the preoperational stage of cognitive development.</u></em>
