Sydney is in Piaget's<u> "concrete operational" </u>stage of development.
As the name suggests, the concrete operational stage of development can be characterized as the phase of cognitive development in which a child is equipped for playing out an assortment of mental activities and considerations utilizing solid ideas. All the more particularly, kids can comprehend that in light of the fact that a question changes shape or is isolated into pieces, the protest still holds certain critical attributes, for example, mass or volume.
<span>Her memory for the start of her list demonstrates the
"primacy" effect, while remembering things at the end of the list is an example of the
"recency" effect.</span>
The main thing in an index or list is at first recognized
from past exercises as imperative (primacy effect) and might be stored to long term
memory when of review. Things toward the finish of the list are still in short
term memory (recency effect) at the moment of review.
The answer is evolutionary psychology. It basically states that women are more selective because they produce a limited number of gametes, whereas men produce sperm their whole lives.
