Children generally show interest in washing themselves around age 2, are able to wash themselves with supervision by age 4, and bathe independently by age 8. List potential challenge areas with establishing independence in bathing:

See below

Explanation:

The age at which a child would be ready or willing to bathe independently would vary from person to person. Perhaps the child is not yet adequately aware of how to clean himself/herself or may hurt themselves by slipping on the wet floor. Another challenge could be difficulty in using shampoo without adult supervision as it can come into contact with the eyes which can be very painful for the child.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it