Examlex
Systematic sampling can be either a probability or nonprobability sampling strategy.
Concrete Operations
A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 7 and 12, where children gain the ability to think logically about concrete events.
Jean Piaget
A Swiss psychologist known for his pioneering work in child development, particularly his theory of cognitive development that describes how children develop intellectual abilities.
Senility
A derogatory term once used to describe the symptoms of dementia, characterized by a decline in cognitive function and memory.
Over-The-Counter
Refers to drugs and medications that can be purchased without a prescription.
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