Examlex
Infants are aware of social categories based on
Clever Hans
Refers to a horse in the early 1900s that was believed to be able to perform arithmetic and other intellectual tasks, later understood as responding to involuntary cues from humans.
Oskar Pfungst
A psychologist known for his work with clever Hans, a horse that appeared to perform arithmetic.
Wilhelm Wundt
A German psychologist regarded as the father of experimental psychology, known for establishing the first psychology laboratory.
Operational Definition
A clear, precise description of a variable in terms of the procedures or operations used to measure or manipulate it.
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