Freud's first stage in his psychosexual theory of development is the Oral Stage. This stage occurs between birth and one year. At this stage, the baby or infant experiences his or her world through their mouth. The baby is sucking, biting, and feeding. According to Freud, oral stimulation could cause issues later in life. A toy that would provide oral stimulation would be considered detrimental (bad) to the child's development.
The only species that of hominid that still exist today is homo sapiens or us.
Answer:
B). A Cross-sectional research design.
Explanation:
A cross-sectional research design is demonstrated as a kind of observation study that involves the study and analysis of a representative subset from the population at a particular point of time.
In the given example, Tucker is employing 'cross-sectional research design' as he selects a representative subset('a group of 5-year-olds, a group of 10-year-olds, and a group of 15-year old) from the population at the same time for study and analysis(by interviewing them) . This implies that Tucker adopts a '<u>cross-sectional research design</u>.'
Answer: visual accommodation.
Explanation:
As rays of light (near) comes into the eyes, the lens changes it shape in other to focus these rays on the retina. Accommodation involves constriction of the pupils, convergence and changing the refractory power of the lens.
Objects more than 6 metres away from the eyes are focused on the retina without adjustment of the lens or convergence of the eyes
