Examlex
In order to select a simple random sample it is necessary to acquire a clear and complete list of all elements of the population.
Conservation
A cognitive ability in child development, identified by Piaget, where a child understands that properties such as mass, volume, and number remain the same despite changes in the forms of objects.
Emotional Attachment
A deep and enduring emotional bond that connects one person to another across time and space.
Primates
An order of mammals that includes humans, apes, monkeys, and prosimians, characterized by large brains, forward-facing eyes, and opposable thumbs.
Telegraphic Speech
A stage in language development where children speak in short, simple phrases, often missing grammatical markers.
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