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If we first arrange test units into similar groups before assigning treatments to them, the test design we should use is the randomised block design.
Precognition
The phenomenon of knowing or sensing something before it happens, often associated with psychic abilities.
High Need
A strong requirement or desire for something, which could be physical, emotional, or psychological.
Power
The ability or capacity to influence, direct, or control the behavior of others or the course of events.
David McClelland
A psychologist known for his work on motivation theory, particularly the identification of three primary motivations: the need for achievement, the need for affiliation, and the need for power.
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