Examlex
In testing the difference between the means of two normally distributed populations with known population standard deviations,the samples we take from each population must be independent.
William Perry
An American educator and psychologist known for his theory of intellectual and ethical development in college students.
Dualism
A philosophical concept that posits the existence of two fundamental principles, often contrasting, such as mind and body or good and evil.
Cognitive Development
The process of growth and change in intellectual capabilities, influencing a person's ability to learn, memorize, and solve problems.
William Perry
Recognized for his developmental model that outlines how students make meaning of their experiences through a series of cognitive and ethical stages.
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