Examlex
A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 48.5 seconds with a standard deviation of 1.47 seconds. A 95% confidence interval for the 0 to 60 time is 4.52 seconds to 5.18 seconds.
Oral
Pertaining to the mouth or oral phase in psychosexual development, where pleasure is centered on oral activities such as sucking and biting.
Psychosexual Theory
A theory proposed by Freud suggesting that psychological development in childhood takes place in a series of fixed psychosexual stages.
Infancy
The period in a human's life from birth to the age of walking and talking; the earliest stage of childhood.
Adolescence
A developmental stage that occurs between childhood and adulthood, marked by significant physical, psychological, and social changes.
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